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A performance benchmark method for comparing open source Java application servers
Various businesses are increasingly using open source Java application
servers. There are lots of them available to choose from, but how do you make
the right decision? In this article, learn about
a performance benchmark method for Java application servers, especially Java EE
5 compliant servers, that will help you choose the right solution.
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10 Nov 2009 |
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Access an enterprise application from a PHP script
Many Web developers enjoy the versatility and ease of use of PHP, but sometimes they need to access existing business logic in a J2EE application server. In this article and through code examples, learn how to use the new SOAP extension in PHP 5 to access a J2EE application using Web services, without having to leave the PHP environment or learn a new programming model.
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25 Feb 2005 |
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An introduction to Service Data Objects for PHP
Service Data Objects (SDOs) have been around in the Java technology world since November 2003. They are designed as a means of simplifying and unifying working with heterogeneous data sources. In February 2005, IBM and Zend announced a strategic partnership to collaborate on the development and support of the PHP environment. One aspect of this collaboration has been the definition and implementation of SDOs for PHP. This article gives an overview of SDOs and the motivations for using them in the PHP environment. A simple contact management scenario is used to illustrate key concepts.
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26 Jul 2005 |
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Apache Geronimo on Grails
Do you want to build your Web sites faster and cheaper, but still leverage
industrial-strength technology? You can do just that using Grails and Apache Geronimo.
Grails leverages the power of the dynamic language Groovy to accelerate your
development. However, it runs on the Java Virtual Machine and leverages proven Java
technologies. This makes it easy to take your Grails application to the next level by
deploying it to Apache Geronimo, the premiere open source Java EE V5-certified
application server. In this article, you will see how easy Grails can make Web
development and how easy Geronimo can make Grails deployment. You will also see how a
Grails application can leverage the resources and services provided by Geronimo.
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08 Jul 2008 |
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Java Web Services: Axis2 Data Binding
The Apache Axis2 Web services framework was designed from the start to
support multiple XML data-binding approaches. The current release provides full
support for XMLBeans and JiBX data binding, as well as the custom Axis Data Binding
(ADB) approach developed specifically for Axis2. This article shows you how to use
these different data bindings with Axis2 and explains why you might prefer one over
the others for your application.
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26 Jul 2007 |
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Java Web Services: Axis2 Data Binding
The Apache Axis2 Web services framework was designed from the start to
support multiple XML data-binding approaches. The current release provides full
support for XMLBeans and JiBX data binding, as well as the custom Axis Data Binding
(ADB) approach developed specifically for Axis2. This article shows you how to use
these different data bindings with Axis2 and explains why you might prefer one over
the others for your application.
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26 Jul 2007 |
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Java Web services: Axis2 WS-Security signing and encryption
Get an introduction to the principles of public key cryptography, then see how WS-Security applies them for signing and encrypting SOAP messages using public-private key pairs in combination with secret keys. Dennis Sosnoski continues his Java Web services series with a discussion of WS-Security and WS-SecurityPolicy signing and encryption features, along with example code using Axis2 and Rampart.
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16 Jun 2009 |
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Back to basics: Scripting Apache Derby's ij tool
Everybody's building Web applications these days. But what if you just want a little bit of data? Do you really need to go to the trouble of creating a whole application? Doesn't Derby provide a tool for that? Well, of course it does. Derby's main command line tool, ij, is designed for just that: manipulating and retrieving the data in the database from the command line. But ij is more than just a place to enter select statements. It provides a fairly comprehensive suite of tools and commands, such as the use and manipulation of cursors. This article explains the use of ij's advanced scripting capabilities. You may never go back to a Web application again.
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18 Jul 2006 |
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Beef up Web search applications with Lucene
Lucene is a full-text information retrieval (IR) library written in the Java(TM) programming language. Now it's an open source project in the popular Apache Jakarta Project family. Discover how to implement advanced searching capabilities, and learn how to create a robust Web search application using Lucene.
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08 Aug 2006 |
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OSGi and Spring, Part 1: Build and deploy OSGi bundles using Apache Felix
Develop, build, and package Java class components as Open Services
Gateway initiative (OSGi) bundles and deploy them in the Apache Felix runtime
environment. Then use Felix shell commands to start and stop the bundles and
dynamically update them.
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30 Oct 2008 |
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Build extensions for Eclipse one snippet at a time
Find out how to build a plug-in for Eclipse and Rational Application Developer V7. You can use this plug-in to define snippets that let you add
code that follows enterprise standards. Similar to the Snippets view that comes with the Web Tools Project, this plug-in allows you to
drag and drop pieces of code into the editor. We follow object-oriented best practices so the snippets can be loaded from any source,
such as a database (like Apache Derby), filesystem, or Web service.
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26 Jun 2007 |
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Build server-side mashups with Geronimo and REST
Discover the techniques and technologies you can use
to build a mashup application using Apache Geronimo, a REST-based protocol, and data
from multiple sources. The mashup combines data from Google Maps and Twitter tweets to
pinpoint Twitter users as they update their Twitter status.
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21 Oct 2008 |
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Building a better J2EE server, the open source way
Gluecode Software is among the growing number of companies that are successfully commercializing open source software, and it has incorporated several up-and-coming open source middleware components -- including Apache Geronimo and Apache Derby, among others -- into a J2EE application server stack. After the recent announcement of IBM's acquisition of Gluecode, we sat down with one of Geronimo's main contributors and CTO of Gluecode, Jeremy Boynes, to hear his perspectives on Geronimo, Java directions, and the state of open source.
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10 May 2005 |
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Tip: Configure Apache to send the right MIME type for XHTML
This tip shows you how to configure Apache to tag Extensible Hypertext Markup Language (XHTML) documents with the media type application/xhtml+xml for browsers that support it, while still sending text/html to nonconformant browsers such as Microsoft Internet Explorer.
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06 Mar 2007 |
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Configuring Kerberos authentication in WebSphere Application Server Community
Edition
Kerberos authentication is not currently supported in WebSphere
Application Server Community Edition. In this article, we highlight how you
can leverage the IBM Java Platform provided Kerberos implementation to perform
Kerberos authentication in WebSphere Application Server Community Edition.
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21 Oct 2009 |
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Configuring and troubleshooting Tomcat 3.2.4 on IBM System i5/OS
The Tomcat application server is a lightweight, easy-to-use, open source alternative to commercial products. Learn how it to use it with IBM System i5 computers.
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11 Jul 2006 |
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Connect to Apache Derby databases using Jython
Using Jython to manipulate Derby databases allows us to quickly and easily explore, learn, and proptotype relational database applications.
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17 Feb 2005 |
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Connect to Apache Derby databases using Python
Using Python to manipulate Derby databases allows us to quickly and easily explore, learn, and prototype relational database applications.
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19 May 2005 |
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Convert Atom documents to JSON
Converting an Atom document to JSON might, at first, appear to be a fairly
straightforward task. Atom is, after all, just a bit of XML and XML-to-JSON
conversion tools are widely available. However, the Atom format is more than just
a set of XML elements and attributes. A number of subtle details can make proper
handling of Atom difficult. This article describes those issues and demonstrates a
mechanism implemented by the Apache Abdera project to convert Atom documents into
JSON and produces a result that is readable, usable, and complete.
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08 Jan 2008 |
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Design and implement POJO Web services using Spring and Apache
CXF, Part 2: Create a RESTful Web service
Create a RESTful Web service, which is defined as a
Spring bean, using Apache CXF,
an open source Web service framework. This article explores the features and benefits of using the
Representational State Transfer (REST) architecture and illustrates the use of the REST API in CXF to easily
develop a RESTful service.
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25 Sep 2008 |
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Create a framework to support XSLT transformation pipelines
Explore the creation of a framework, called Butterfly, that runs in PHP 5 and
facilitates the applications of chains of XSLT stylesheets to XML source documents.
This provides transparent caching of the transformed results. Inspired by the Java(TM)-based Apache Cocoon project, so named because it houses and manages the transformation of data from one form to another (turning caterpillars into butterflies), this much lighter-weight framework is named Butterfly. With the Butterfly framework, you can set up an XML configuration file to define chains of stylesheet transformations, and then instantiate Butterfly objects that can each produce the result of an XSLT transformation chain. This article will also look at the nature of framework design in general as it sketches out this framework in particular.
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18 Nov 2008 |
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Create an asynchronous message framework with Ajax and Apache Geronimo
Combine Apache Geronimo with an Asynchronous
JavaScript + XML (Ajax) user interface (UI), an asynchronous messaging system, and loosely coupled business services
to build a responsive, enterprise-grade Web application framework.
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19 Jun 2007 |
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Create an ooRexx build environment on Linux KVM
Construct an on-demand software build service using ooRexx that uses the
Linux Kernel Virtual Machine (KVM) for better performance. KVM acts as the
host for the guest operating systems that build the target software for the
user. The Apache Web server controls the builds and stores the results for
later retrieval by the user. Learn how to set up the build server and create
guests, customize build requests, and organize and access build
results.
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14 Jul 2009 |
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Create, deploy, and debug Apache Geronimo applications
The Eclipse project has been providing a high-quality and extensible integrated development environment to the open source community for several years now. Get a head start in using the new Eclipse plug-in to develop and deploy Web applications to the Apache Geromimo server. IBM Senior Technical Staff Member Tim Francis walks you through the details.
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10 May 2005 |
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Developing with Apache Derby -- Hitting the Trifecta: Database development with Apache Derby, Part 1
Ready to start using Apache Derby? This multi-part series featured in the "Developing with Apache Derby: Hitting the Trifecta" column will get you up and running with the Derby database in no time. This first installment introduces the basic concepts of relational databases with an emphasis on how these topics relate to the Derby database. You'll learn about the ACID test, demonstrated with a simple example, and the ij tool, which you can use to interactively connect to and query an Apache Derby database. Then the rest of this series will help you become a master at working with Apache Derby.
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28 Mar 2006 |
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Developing with Apache Derby -- Hitting the Trifecta: Database development with Apache Derby, Part 2
Learn about several basic database concepts, including schemas, tables, and column data types, and get a simple introduction to Structured Query Language (SQL). This article -- focusing on the database developer role -- presents the basic data types you can use to store data in an Apache Derby database, and then you'll use them to create a simple schema with two tables in Apache Derby for a fictitious store. To view the schema contents of a database, you'll use the Apache Derby tool, dblook, to dump the contents of the database. The article wraps up with a brief discussion on dropping tables.
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18 Apr 2006 |
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Developing with Apache Derby -- Hitting the Trifecta: Database development with Apache Derby, Part 3
Learn how to create a self-documenting SQL command file, which you can execute as often as necessary, by placing SQL commands in a text file along with useful comments. After introducing the basic principles of a SQL script file, this article presents three ways to execute a script file. Then you'll review the fundamentals of inserting data into a table using the SQL INSERT statement, including seeing examples that insert ten new rows in different ways. Finally, the article presents a script that automates this INSERT operation and displays the newly inserted data for validation.
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12 May 2006 |
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Developing with Apache Derby -- Hitting the Trifecta: Database development with Apache Derby, Part 4
The Apache Derby software provides a powerful, open source database that can be used as a persistent store for a wide range of database applications. One of the main reasons for this popularity is Apache Derby's query support, which lets you selectively extract columns from specific rows across one or more tables that satisfy some Boolean condition. Learn about Apache Derby's query capabilities and how to use the SELECT statement to perform complex queries.
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06 Jun 2006 |
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Developing with Apache Derby -- Hitting the Trifecta: Database development with Apache Derby, Part 5
The SQL SELECT statement lets you perform queries against an Apache Derby database to select data from multiple tables where certain conditions are valid. This article builds on previous articles in this series to develop even more powerful SELECT statements. Learn how to use the ORDER BY clause and DISTINCT keywords to modify the rows of data selected by a query; how to include basic mathematical operators in a query; and how to work with the primary built-in SQL functions to convert data from one data type to another, to compute aggregate quantities, to perform mathematical operations, to work with date and time data, and to work with character strings.
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11 Jul 2006 |
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Developing with Apache Derby -- Hitting the Trifecta: Database development with Apache Derby, Part 6
Along with creating a database schema and populating tables with data, being able to selectively modify data is one of the most important skills necessary for a database developer. This article teaches you how to selectively delete or update data in an existing table and how to modify the structure of an existing table. To perform data modifications on a more complex database schema, you'll learn about embedded subqueries, both scalar and table, with data update and data insert operations. You'll also find out how to delete and modify data in complex schemas using the Apache Derby database.
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15 Aug 2006 |
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Developing with Apache Derby -- Hitting the Trifecta: Database development with Apache Derby, Part 7
With this article you've reached an important point in mastering fundamental database concepts as they relate to the Apache Derby database. This article reviews how to modify an SQL query to group related rows together to provide summary statistics database information. Then it introduces the concept of a view, which can be used to simplify database application development by creating a virtual table that represents the results of an SQL query. Finally, you'll learn about database indexes, which you can use to locate specific table rows. After you've mastered these advanced database concepts, you'll be well positioned to begin developing Java database applications with Apache Derby.
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07 Nov 2006 |
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Debugging techniques for PHP programmers
Explore various methods for debugging PHP applications, including turning on error reporting in Apache and PHP, and by placing strategic print statements to locate the source of more difficult bugs through a simple example PHP script. The PHPeclipse plug-in for Eclipse, a slick development environment with real-time syntax parsing abilities, will also be covered, as well as the DBG debugger extension for PHPeclipse.
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29 Nov 2005 |
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Delve inside the Lucene indexing mechanism
Discover Lucene, a full-text information retrieval (IR) library written in the Java(TM) language. You can embed Lucene easily into your applications and implement indexing and searching functionality. Now it's an open source project in the popular Apache Jakarta Project family. Learn about Lucene's indexing mechanism, as well as its index file structure.
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27 Jun 2006 |
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Deploy J2EE applications on Apache Geronimo
Learn how to deploy JavaServer Pages (JSPs), servlets, and different Enterprise JavaBeans (EJBs) on Apache Geronimo. This article includes the deployment steps required for Apache Geronimo, which are different from other Java 2 Platform, Enterprise Edition (J2EE) containers.
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03 Jan 2006 |
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Deploy an SCA application using the Tuscany domain manager
Service Component Architecture (SCA) lets you develop and assemble
Service-Oriented Architecture (SOA) solutions that are comprised of independent components, regardless of their
implementation and environment. SCA is a major SOA initiative and is becoming
an OASIS standard. Apache Tuscany provides an easy-to-use open source
infrastructure for the development and operation of SCA applications. This article
shows you how to administer an SCA domain using a Tuscany Web-based domain
manager UI and code, and how to use the domain administrative UI to deploy an
SOA solution comprised of SCA components.
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02 Oct 2008 |
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Deploying Django applications to a production server
Django is a Python-based open source Web application framework that
focuses on making the process of creating database-driven Web sites and Web
applications easier. Getting started with developing Django applications is
simple, as a development Web server is included with the framework. However,
this server is not suitable for use in a production environment, so further
steps are required to deploy your Django application to the Web. In
this article, you will learn about the Django framework and how to install it
on your local machine. Discover how a Django application is made and
about the automatic administration interface created for your application. You
will then find out how to deploy your Django application to the Web on a
server running Apache and mod_python. Finally, learn how Django
applications can and should be scaled as your application's requirements
grow.
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07 Apr 2009 |
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Develop Perl applications with Apache Derby
Discover how to use Perl, Open Database Connectivity (ODBC), and the Perl Database Interface (DBI) to access data in an Apache Derby database. This article covers the installation of Perl, the ODBC driver, the Perl DBI, and Perl DBD-ODBC modules on Windows, and includes a sample Perl script that demonstrates connecting to, inserting data into, and selecting data from a Derby database.
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07 Oct 2004 |
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Develop an application with Apache Derby, Apache MyFaces, and Facelets
Learn how to develop a JavaServer Faces (JSF) application using Apache Derby, Apache MyFaces, and Facelets. The ready-to-download sample application in this article uses a Model-View-Controller (MVC) architecture to illustrate the power of the MyFaces components and the ease of developing with Apache Derby and the latest view technology, Facelets.
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24 Oct 2006 |
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Develop and deploy Apache Pluto portal applications on Apache Geronimo
Even though preintegrated portal server support is missing from Apache Geronimo's feature set, you can still use Geronimo as a testing and deployment environment for portal applications. This article takes you step by step through deployment of the Apache Pluto driver and container in Geronimo to give you a 100% open source environment for your portal applications. Then learn how to develop, deploy, and test a sample portal application in Pluto and Geronimo.
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10 Apr 2007 |
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Develop and execute WS-BPEL V2.0 business processes using the Eclipse BPEL plug-in
BPEL V2.0 is a powerful language intended to help in development of huge, complex
applications consisting of a lot of other components and Web services. BPEL allows
you to describe long-running workflows using graphical editors to present workflows
on human-friendly diagrams. This article describes how to combine the Eclipse BPEL
plug-in for development of processes and Apache ODE for their execution.
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25 Mar 2008 |
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Develop asynchronous Web services with Axis2
The implementation and invocation of asynchronous Web services is important
to application development. UIs, which expose functionalities of Web services, have
become increasingly interactive. As a result, asynchronous invocations and
implementations have become more useful and effective, ultimately helping provide a
better overall user experience. This article gives you an overview of different
patterns for asynchronous scenarios in Web services and provides insight into how to implement them with Apache Axis2.
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11 Oct 2007 |
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Developing Web applications with Tomcat and Eclipse
Using Eclipse as a Web development platform is even easier when you integrate it directly with Apache Tomcat. Learn how to set up Eclipse and Apache Tomcat V5.5 to develop the quintessential Hello World servlet.
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08 May 2007 |
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Java Web services: Digging into Axis2: AXIOM
The Apache Axis2 Web services framework builds on the new AXIOM XML document model for efficient SOAP message processing. Unlike conventional document models, AXIOM builds the document representation in memory only as it's being accessed. Learn why this on-demand construction is a great approach for SOAP processing, and how XOP/MTOM attachments, data binding, and performance fit into the picture.
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30 Nov 2006 |
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Distributed computing with Linux and Hadoop
Every day people rely on search engines to find specific content in
the many terabytes of data that exist on the Internet, but have you ever wondered
how this search is actually performed? One approach is Apache's Hadoop,
which is a software framework that enables distributed manipulation of vast
amounts of data. One application of Hadoop is parallel indexing of Internet Web pages.
Hadoop is an Apache project with support from Yahoo!, Google, IBM, and others.
This article introduces the Hadoop framework and shows you why it's one of the
most important Linux-based distributed computing frameworks.
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09 Dec 2008 |
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Documenting your project using the Eclipse help system
The Eclipse Platform,
which provides a very powerful IDE, includes its own help system based on an XML table
of contents referencing HTML files. What isn't immediately obvious is that you don't
have to write Eclipse plug-ins to use it. Any project can use a cut-down version of
the platform to provide professional, easy-to-use, and searchable documentation. This
documentation system has been successfully used on a number of IBM
projects, including those as large as the IBM WebSphere Application Server.
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29 Jan 2004 |
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Easy database queries with JSTL SQL actions
Author Meenakshi G. Khanna shows you how to use the JSTL 1.1 SQL tag library to incorporate database operations into your JSPs.
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10 Aug 2006 |
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Enterprise search with PHP and Apache Solr
Discover how to combine an enterprise-worthy search engine -- Apache Software
Foundation's Solr -- with your PHP application.
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15 Jan 2008 |
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Search smarter with Apache Solr, Part 1: Essential features and the Solr schema
Solr is an enterprise-ready, Lucene-based search server
that supports faceted searching, hit highlighting, and multiple output
formats. In this two-part article, Lucene Java committer Grant Ingersoll
introduces Solr and shows you how to easily incorporate its impressive full-text search functionality into your Web applications.
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29 May 2007 |
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Exploring CouchDB
Relational databases define a strict structure and provide a rigid
way to maintain data for a software application. Apache's open source CouchDB
offers a new method of storing data, in what is referred to as a schema-free
document-oriented database model. Instead of the highly structured data
storage of a relational model, CouchDB stores data in a semi-structured
fashion, using a JavaScript-based view model for generating structured
aggregation and report results from these semi-structured documents. CouchDB
has been developed from the ground up with Web applications as the primary
focus and has its sights on becoming the de-facto database for Web
application development.
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31 Mar 2009 |
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Futureproofing With SCA
See how SCA can help you build systems that are easy to fit with existing infrastructure and extend in the future.
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06 Dec 2007 |
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IBM WebSphere Developer Technical Journal: Get started with WebSphere Application Server Community Edition
IBM WebSphere Application Server Community Edition is an open source
Java 2 Platform, Enterprise Edition (J2EE) application server based on Apache
Geronimo. This article will help you understand why you might want to use this
new product, when it might be the best choice for your project, and then walks
you through what you need to know to get up and running quickly with WebSphere
Application Server Community Edition, from setting up your environment and
choosing the right download package to deploying applications. Updated for
V1.0.1.1.
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11 Apr 2006 |
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Get the most out of XML processing with AXIOM
The AXis Object Model (AXIOM) is the XML object model for Apache Axis 2, and aims to revolutionize XML processing technology by providing a powerful combination of features. AXIOM goes beyond existing XML processing methodologies as it combines deferred building with a customizable object model that is fast and lightweight. In this article, software architect and AXIOM pioneer Eran Chinthaka gives you an overview of this new approach to XML processing.
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13 Sep 2005 |
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Getting started with freeVSD
In this article Joe Brockmeier looks at freeVSD, a "virtual server daemon" for Linux that allows multiple virtual servers to operate on one physical machine. Each virtual server has its own separate Web-hosting environment. This is typically used for hosting, but it can also be deployed to allow one machine to serve as a development testbed for several developers.
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01 Aug 2002 |
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Give Apache Geronimo a Lift
Lift is a new Web application framework. It is a highly scalable framework built
on the Scala programming language. It is the perfect partner for a highly scalable
application server, such as Apache Geronimo, especially since Scala compiles to byte
code just like the Java language and leverages the Java platform. In this article, you
will learn how to create a Web application using Lift and deploy it to Geronimo.
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22 Jul 2008 |
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Java Web services: Granular use of WS-Security
WS-Security for SOAP Web services doesn't have to be an all-or-nothing proposition. By configuring WS-Security at the operation or message level, you can apply an appropriate degree of protection to every exchange, reducing or eliminating the WS-Security overhead for operations that don't need full protection. Dennis Sosnoski continues his Java Web services series with a look at granular WS-Security in Web Services Description Language (WSDL) using Apache Axis2 and Rampart.
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04 Aug 2009 |
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Harnessing Apache for REXX programming
This article introduces the Mod_Rexx package, which is similar to other
Apache language processor modules, such as mod_perl or mod_php. Mod_Rexx brings
the full power of the REXX language processor of your choice (IBM Object REXX,
Regina REXX, etc.) to the Apache Web-page developer. You can use Mod_Rexx to
create dynamic Web pages or to process any part of an Apache request.
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01 Aug 2002 |
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High-availability middleware on Linux, Part 1: Heartbeat and Apache Web server
In this first of five articles, learn what it means for software to be highly available and how to install and set up heartbeat software from the High-Availability Linux project on a two-node system. You'll also learn how to configure the Apache Web server to run as a highly available service.
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12 Oct 2004 |
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Host multiple SSL sites on a single network card with IP aliasing
The interest in using SSL and name-based virtual hosts together is on the increase. Some people will tell you that such a thing is impossible, but you can implement virtual hosts in Apache through IP-based virtual hosts. In this article, John Liao and Jim Miles show you how.
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19 Dec 2006 |
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Hosting PHP applications on the IBM HTTP Server
IBM maintains its own copy of the Apache Web server and ships it as the IBM
HTTP Server, along with its WebSphere Application Server. This Web server is
fundamentally Apache and as such, can host and run applications written in PHP:
PHP. Learn about the differences between the open source
Apache Web server and IBM's version, and view demonstrations of IBM's version running a well-known PHP application.
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24 Mar 2005 |
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How to use Subversion with Eclipse
From the beginning, Eclipse included tight integration with the Concurrent Versions System (CVS) in order to provide access to change-management capabilities. Now, many projects -- notably those run by the Apache Software Foundation -- are using a different change-management system: Subversion. Find out how to use Eclipse for projects that use a Subversion repository.
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11 Jul 2006 |
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Improve LAMP security with Apache Proxy's directive (mod_proxy)
In this article, Nick Maynard outlines a method for you to improve the security of a LAMP setup by using Apache's mod_proxy module. This article is specific to Linux; however, you can also apply some of the principles to other operating systems.
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29 Nov 2006 |
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In tune with Tapestry, Part 1
In this first half of a two-part article, author and frequent developerWorks contributor Brett McLaughlin shows you around Tapestry, from installation to file structure. See for yourself how Tapestry facilitates servlet-based Web application development using HTML and template tags.
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04 Jan 2006 |
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In tune with Tapestry, Part 2
The Tapestry framework allows Java and Web developers
to develop servlet-based Web applications that are dynamic, lightweight,
and responsive. Continue getting to know Tapestry this month, as Brett
McLaughlin shows you how to plan the development of a Tapestry application
and create useful, robust Tapestry components.
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10 Jan 2006 |
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Install XAMPP for easy, integrated development
Open source stacks such as XAMPP from Apache Friends are simplifying open source development by making it easier to write and distribute applications in a stable and standardized environment. Traditionally, AMPP -- Apache, MySQL, PHP, and Perl -- have all been installed and configured as separate products. The trend of combining them into integrated middleware stacks promises to make open source development more competitive with J2EE application development, at least for low-end applications. In this article, you'll learn how to install, configure, and back up XAMPP on Mandrake Linux 10.0 and also how to configure and administer XAMPP, as well as how to install your own applications in an XAMPP environment.
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30 Nov 2004 |
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Introducing Apache Mahout
Once the exclusive domain of academics and corporations with large research budgets, intelligent applications that learn from data and user input are becoming more common. The need for machine-learning techniques like clustering, collaborative filtering, and categorization has never been greater, be it for finding commonalities among large groups of people or automatically tagging large volumes of Web content. The Apache Mahout project aims to make building intelligent applications easier and faster. Mahout co-founder Grant Ingersoll introduces the basic concepts of machine learning and then demonstrates how to use Mahout to cluster documents, make recommendations, and organize content.
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08 Sep 2009 |
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Introducing Subversion
Elliotte Rusty Harold introduces Subversion, an open
source, multiuser version control system that supports non-ASCII text
and binary data. Follow along as Elliotte shows you how to configure
Subversion support in Eclipse (via the Subclipse plug-in), check out a
project, synchronize with your repository, and then run common operations
such as merge, patch, diff, and delete.
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06 Jun 2006 |
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Getting to know the Atom Publishing Protocol, Part 3: Introducing the Apache Abdera project
Earlier articles in this series provided an overview of the Atom Publishing Protocol and described the various ways it is being utilized in real world applications. This article begins to demonstrate how you can start to implement Atom-enabled applications using a new open-source project, called Abdera, currently under incubation at the Apache Software Foundation.
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12 Dec 2006 |
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Use PHP on System i, Part 1: Introduction and examples
Learn how to install PHP and DB2(R) on System i(TM), and understand how to port a MySQL application to DB2 on i5/OS(R). Understand the history and architecture types of PHP, including the new architecture that uses i5/OS with an Apache HTTP server and the IBM DB2 database to bring PHP applications to System i(TM). Read examples of PHP Web applications. Learn how PHP applications are especially beneficial to small and medium businesses, because open source PHP applications are often inexpensive and easily accessible. [The product option for the CCA Cryptographic Service Provider has been changed from option 13 to option 35. The title has been changed to indicate the first article in a series. -Ed.]
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08 Feb 2007 |
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Using open source software to design, develop, and deploy a collaborative Web site, Part 1: Introduction and overview
In this series, follow along as the IBM Internet Technology Group team designs, develops, and deploys a closed community Web site using a suite of software that is freely available -- including Drupal, MySQL, PHP, Apache, and Eclipse technologies.
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11 Jul 2006 |
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Developing with Apache Derby -- Hitting the Trifecta: Introduction to Apache Derby
At some point, almost every application developer confronts the need to save data. With the growth of Internet- or Web-enabled applications, this need has become even more acute. This installment of the regular column "Developing with Apache Derby -- Hitting the Trifecta" introduces Apache Derby -- an open source, standards-based, small-footprint Java database system -- compares it to other database systems, and discusses issues related to downloading and installing it. By the end of this article, you'll be ready to start developing database applications using Derby.
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14 Feb 2006 |
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Java postmortem diagnostics, Part 1: Introduction to JSR 326 and Apache Kato
The artifacts produced when your Java application fails can
help you analyse the root causes of the failure. A standard API to facilitate
postmortem analysis is being developed by the Java Community process, and the Apache Kato project is under way to produce a reference implementation and tools for this API. This article, the first in a two-part series, introduces the Post mortem JVM Diagnostics API (JSR 326) and summarises the ways Kato will help you make good use of it. Part 2 will explore postmortem-diagnosis scenarios in greater depth.
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05 May 2009 |
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Design and implement POJO Web services using Spring and Apache
CXF, Part 1: Introduction to Web services creation using CXF and Spring
Create a plain old Java object (POJO)-style Web service easily using Apache CXF, an open source Web service
framework. This article, Part 1 of a series,
shows you how to expose POJOs as Web services
using Spring and CXF. It also illustrates CXF integration with the Spring Framework.
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24 Jul 2008 |
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Java Web services: JAXB and JAX-WS in Axis2
Apache Axis2 supports a range of data-binding technologies, including the official Java standard, JAXB 2.x. Axis2 also supports the Java standard for Web service configuration, JAX-WS 2.x, as an alternative to its own custom configuration technique. Dennis Sosnoski continues his Java Web services column series by demonstrating how you can use each of these Java standards with Axis2 and discussing some of the limitations of Axis2's current support for them.
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15 Sep 2009 |
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Developing with Apache Derby -- Hitting the Trifecta: Java database development with Apache Derby, Part 1
Climb aboard! This article begins your journey of writing Java applications that work with the Apache Derby database. Learn how to connect to an embedded Derby database by using a Derby embedded Java Database Connectivity (JDBC) driver. Plus find out about database metadata and how to properly handle SQL errors and warnings in your Java application that may be generated by Derby.
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12 Dec 2006 |
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Developing with Apache Derby -- Hitting the trifecta: Java database development with Apache Derby, Part 2
Get a thorough overview on how to issue a simple database query against an Apache Derby database and how to process the selected results. Doing so requires the introduction of three new JDBC classes: Statement, ResultSet, and ResultSetMetaData. Learn how to use these classes with a JDBC database connection to quickly and easily extract data from an Apache Derby database into your own Java application.
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30 Jan 2007 |
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Developing with Apache Derby -- Hitting the Trifecta: Java database development with Apache Derby, Part 4
Learn about SQL cursors and how you can use them to perform dynamic data
modification in an Apache Derby database. You can use SQL cursors both explicitly by
using the ij tool or implicitly by calling the appropriate Java methods. By
mastering this functionality, you can write Java applications that can selectively
modify data for your business applications.
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17 Apr 2007 |
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Using open source software to design, develop, and deploy a collaborative Web site, Part 15: Lessons learned
In this series, the IBM Internet Technology Group designs, develops, and deploys an extranet Web site for a fictitious company, International Business Council (IBC), using a suite of freely available software. You explore the complete life cycle of developing a collaborative Web site with Drupal driven by Apache, PHP, and MySQL. In this article, the team shares lessons learned from the experience and describes what's coming up next with Drupal 5.0.
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03 Apr 2007 |
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Lightweight Web servers
Recent years have enjoyed a florescence of interesting implementations of
Web servers, including lighttpd, litespeed, and mongrel, among others. These Web
servers boast different combinations of performance, ease of administration,
portability, security, and related values. The following engineering study surveys the field of lightweight Web servers to help you find one likely to meet the technical requirements of your next project.
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10 Jul 2007 |
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Make JUnit testing Java applications easier with Grester
So, you've written a bunch of unit tests. As a developer, you run your tests
multiple times per day, especially in a continuous integration environment. But how
badly would they break if the sources had to change? When Jester and Maven combine to
make Grester, you can quickly find out.
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29 Apr 2008 |
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Make your 404 pages smarter with metaphone matching
Create your own 404 error-message handler to provide useful links and redirects
for the contents of your site. Use metaphone matching and a simple weighted score file
to make typographical, spelling, and bad-link redirect suggestions. Customize the
suggestions based solely on your Web site's content and preferred redirection
locations. Catch multiple errors in incoming URL requests and process them for
corrections in directory, script, and HTML page names.
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28 Aug 2007 |
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Using Apache Derby databases, Part 2: Manage IT services beyond mere deployment
Rolling out increasingly advanced software offerings and the demands of more technically savvy users exacerbate the problem of IT service provision. Simply deploying software, like Apache Derby databases, and hoping for resiliency is no longer sufficient. Management needs to be automated. In this article -- the second in a two-part series -- find out how IBM autonomic computing technology, particularly the IBM Autonomic Integrated Development Environment (AIDE) toolkit, may be an effective solution. Learn how you can use this technology with Apache Derby to create the basis of a converged provider environment.
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14 Nov 2006 |
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Automation for the people: Manage dependencies with Ivy
Managing source-code dependencies among projects and tools is often a burden, but it doesn't need to be. In this installment of
Automation for the people,
automation expert Paul Duvall describes how you can use the Apache Ant project's Ivy dependency manager to handle the myriad dependencies that every nontrivial Java project must manage.
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06 May 2008 |
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Using Apache Derby databases, Part 1: Managed objects in a converged provider environment
This two-part series addresses the importance of the automated management of Apache Derby databases using (as an example) IBM autonomic computing touchpoint technology and Web Services Distributed Management (WSDM). This article, Part 1, introduces the growing need for automated IT management, which is facilitated by the centralization and consolidation of applications, data centers, and front- and back-office functions. Discover how you can use Derby as a managed element, including working with the database's unified utilization and management requirements and how using FCAPS can help you design an IT management solution.
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31 Oct 2006 |
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Managing WebSphere Portal V5.1 projects with Apache Maven and Rational Application Developer 6.0
See how to set up a portal project infrastructure in an IBM Rational Application Developer that can be used to perform daily builds using Apache Maven.
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30 Mar 2005 |
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Merge XML and Java with XMLBeans in commerce
Learn how and why Service-Oriented Architectures (SOAs), XML, and XMLBeans can play an important role in addressing real business problems, using the entertainment industry as a case study. This article isn't about code; rather, you'll learn how and why to use XMLBeans in any situation requiring XML.
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05 Sep 2006 |
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WebSphere migrations: Migrate applications from WebSphere Application Server Community Edition to other WebSphere Application Server products
Walk through the process of migrating a complex sample application from IBM WebSphere Application Server Community Edition to IBM WebSphere Application Server Base using Rational Application Developer. Involving JSPs, servlets, EJBs, messaging, and database access, this exercise will help you migrate your own applications, and address issues that can often cause problems during application migrations.
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15 Nov 2005 |
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WebSphere migrations: Migrate from JBoss v4.x to IBM WebSphere Application Server Community Edition v2.x
Leverage the superior support and architecture of WebSphere Application Server and Apache Geronimo by migrating applications running on JBoss Application Server.
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14 Oct 2009 |
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Use PHP on System i, Part 2: Net.Data and PHP
Compare PHP with the Net.Data server-side scripting language, which IBM develops with DB2(R). Understand the origins of the languages, their syntax differences, usage learning curves, database connections, and other differences. This article is the second part of a series based on working with PHP on System i(TM).
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13 Feb 2007 |
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Java Web services: O futuro no Java Web services
O ano que vem trará mudanças expressivas para o cenário dos serviços da Web. Para os desenvolvedores de Java, estas mudanças incluirão tanto novas estruturas de serviços de Web quanto novas camadas de funcionalidades criadas com base nos serviços da Web. Nesta primeira parte de sua série "Java Web Services", Dennis Sosnoski fala sobre as próximas alterações e esboça uma direção para os leitores.
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09 Feb 2006 |
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ODBC programming using Apache Derby
This article introduces you to ODBC programming with Apache Derby or IBM Cloudscape as the backend data source. You'll learn how ODBC applications differ from embedded SQL applications, how to set up Apache Derby as an ODBC data source, and how an ODBC application is structured. In addition, the author covers error handling and includes an example.
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23 Sep 2004 |
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Offline Ajax with Apache Derby
People love Ajax applications so much that they are willing to use them instead
of their desktop equivalents. The only problem occurs when they fail to have network
access. This is when an offline feature is necessary. Apache Derby is a great option
for enabling offline access to Ajax-powered applications. Learn how to use Apache Derby
as a local data store that can be used to take your Ajax application offline.
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23 Sep 2008 |
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Tuning LAMP systems, Part 2: Optimizing Apache and PHP
Applications using the LAMP (Linux, Apache, MySQL, PHP/Perl) architecture
are constantly being developed and deployed. But often the server administrator has
little control over the application itself because it's written by someone else.
This series of three articles discusses many of the server configuration items that
can make or break an application's performance. This second article focuses on steps
you can take to optimize Apache and PHP.
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30 Apr 2007 |
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Cultured Perl: Perl and the Amazon cloud, Part 1
This five-part series walks you through building a simple
photo-sharing Web site using Perl and Apache to access Amazon's Simple Storage
Service (S3) and SimpleDB. In this installment, get a feel for the benefits and
drawbacks of S3 and SimpleDB by taking a tour of their
architectures and starting to design your photo-sharing site.
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31 Mar 2009 |
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Cultured Perl: Perl and the Amazon cloud, Part 2
This five-part series walks you through building a simple
photo-sharing Web site using Perl and Apache to access Amazon's Simple Storage
Service (S3) and SimpleDB. In this installment, learn how to upload a file
into S3 from a Web page through an HTML form to minimize the load on the
server, while maintaining a tight security policy.
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08 Apr 2009 |
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Cultured Perl: Perl and the Amazon cloud, Part 3
This five-part series walks you through building a simple photo-sharing
Web site using Perl and Apache to access Amazon's Simple Storage Service (S3)
and SimpleDB. In this installment, follow your site's interaction with
SimpleDB by learning how the URL creates a SimpleDB record for the uploaded
file. Also learn how to create, edit, and delete comments as SimpleDB records
on a photo for a particular user.
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14 Jun 2009 |
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Cultured Perl: Perl and the Amazon cloud, Part 4
This five-part series walks you through building a simple photo-sharing
Web site using Perl and Apache to access Amazon's Simple Storage Service (S3)
and SimpleDB. In this installment, examine the full mod_perl site's code base,
including how to configure the top level, what to do with the handlers, and
how to set up external dependencies.
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14 Jun 2009 |
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Cultured Perl: Perl and the Amazon cloud, Part 5
This five-part series walks you through building a simple photo-sharing
Web site using Perl and Apache to access Amazon's Simple Storage Service (S3)
and SimpleDB. In this final installment, examine the full mod_perl site's
templates, including one for indexing, three for uploading (general, S3 forms,
and URL additions), one for image and comment browsing, and one to browse
comments recursively for an image (or threading down).
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23 Jun 2009 |
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Plugging in a logging framework for Eclipse plug-ins
Eclipse lacks a configurable logging facility with rich features like the ones found in J2SDK Logging Utilities or Apache's Log4j. In this article, learn how to configure and use a logging framework for Eclipse plug-ins that is itself a plug-in and that is based on the Apache Log4j. Complete source code is provided for your use and extension.
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27 Sep 2004 |
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Publish critical public warnings on the Web
The recently completed Atom Publishing Protocol provides a simple, HTTP-based mechanism for publishing and managing content on the Web. When used with the Common Alerting Protocol standard, Atom publishing can provide a powerful and flexible way to distribute critical, life-saving information. Learn how to create, publish, and consume hazard alerts using Atom.
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14 Aug 2007 |
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Rapid prototyping with Apache Derby and JRuby on Rails
Ruby on Rails has raised the bar in terms of rapid development of data-driven
Web sites. The JRuby project is making Ruby faster and more scalable than ever. One of
the great advantages to running Rails on the Java Virtual Machine is that you can
leverage other Java libraries, like the Apache Derby embedded database. The combination
of Derby, JRuby, and Rails allows for rapid prototyping of dynamic Web applications. Learn how to use these technologies together to help you prototype your next great idea.
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26 Aug 2008 |
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