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SI42393 - TOOLBOXJAVA-JT400 Fixes and Enhancements from JTOpen 7.3

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

TOOLBOXJAVA-JT400 Fixes and Enhancements from JTOpen 7.3


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED      PTF/FIX  LEVEL

TYPE PROGRAM  REL  NUMBER   MIN/MAX  OPTION
---- -------- ---  -------  -------  ------
NONE



NOTICE:
-------
Application of this PTF may disable or render ineffective programs that
use system memory addresses not generated by the IBM translator,
including programs that circumvent control technology designed to limit
interactive capacity to purchased levels.  This PTF may be a prerequisite
for future PTFs.  By applying this PTF you authorize and agree to the
foregoing.

This PTF is subject to the terms of the license agreement which
accompanied, or was contained in, the Program for which you are obtaining
the PTF.  You are not authorized to install or use the PTF except as part
of a Program for which you have a valid Proof of Entitlement.

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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON INFRINGEMENT,
REGARDING THE PTF.

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CL command.





APAR Error Description / Circumvention

-----------------------------------------------
JTOpen 7.3

CORRECTION FOR APAR SE46475 :
-----------------------------
JTOpen 7.3

CIRCUMVENTION FOR APAR SE46475 :
--------------------------------
None.


DESCRIPTION OF PROBLEM FIXED FOR APAR SE46477 :
-----------------------------------------------
JTOpen 7.3

CORRECTION FOR APAR SE46477 :
-----------------------------
JTOpen 7.3

CIRCUMVENTION FOR APAR SE46477 :
--------------------------------
None.


DESCRIPTION OF PROBLEM FIXED FOR APAR SE46478 :
-----------------------------------------------
A change was made in the Toolbox JDBC driver so the stream data
is copied into memory in a byte array when a stream is passed as
a parameter value. Because streams can be very large and the
statement might not be closed, the resulting large byte arrays
can lead to out-of-memory errors in the JVM (Java Virtual
Machine).

CORRECTION FOR APAR SE46478 :
-----------------------------
JTOpen 7.3 changes the behavior to read the lob at execute time
instead of when the parameter is set.   This should reduce the
memory footprint of the Toolbox JDBC driver.

CIRCUMVENTION FOR APAR SE46478 :
--------------------------------
None.


DESCRIPTION OF PROBLEM FIXED FOR APAR SE46532 :
-----------------------------------------------
Starting with JTOpen 7.1, there is a performance issue that can
develop with the Toolbox JDBC driver. If there are enough open
connections/statements, a condition can occur where DBStorage
objects are not returned to the pool. This results in a very
high count of DBStorage objects. This also causes threads to
spend a long time in the following method:
com/ibm/as400/access/DBStoragePool.getUnusedStorage()

CORRECTION FOR APAR SE46532 :
-----------------------------
The leaking of DBStorage objects has been corrected in JTOpen
7.3.

CIRCUMVENTION FOR APAR SE46532 :
--------------------------------
None.


DESCRIPTION OF PROBLEM FIXED FOR APAR SE46533 :
-----------------------------------------------
Toolbox did not close the server side of a unix socket after
creating the socket using the following call:
socketpair(AF_UNIX, SOCK_STREAM, 0, sd).
This causes a connection to hang after the server job is ended
*IMMED.

The stack of the hang connection may look like the following,
where the QZDASOINIT job has been ended.

"AS400 Read Daemon
[system:localhost;job:482900/QUSER/QZDASOINIT]"
at com/ibm/as400/access/NativeMethods.socketPaseRead(Native
Method)
at
com/ibm/as400/access/SocketContainerUnix2$SCUInputStream.read(..
.)
at
com/ibm/as400/access/DataStream.readFromStream(DataStream.java:5
2)
at
com/ibm/as400/access/ClientAccessDataStream.construct(...)
at com/ibm/as400/access/AS400ThreadedServer.run(...)


CORRECTION FOR APAR SE46533 :
-----------------------------
The toolbox native code has been changed to avoid the hang by
closing the server side of the UNIX socket.

CIRCUMVENTION FOR APAR SE46533 :
--------------------------------
None.


Activation Instructions


None.




Special Instructions


None.


Default Instructions

THIS PTF CAN BE APPLIED IMMEDIATE OR DELAYED.



Supersedes

PTF/FIX NO(S).  APAR TITLE LINE
--------------  ------------------------------------------------------------
   SI38304      TOOLBOXJAVA-JT400 PASE send() failing with ENOTSOCK
   SI41966      TOOLBOXJAVA-JT400 Fixes and Enhancements from JTOpen 7.2
   SI41966      TOOLBOXJAVA-JT400 Fixes and Enhancements from JTOpen 7.2
   SI41966      TOOLBOXJAVA-JT400-ACCESS-RLACCESS-INCORROUT ALIAS AND REFFLD
   SI41966      TOOLBOXJAVA-JT400 CCSID 65535 USED FOR JOB PROCESSING
   SI41966      TOOLBOXJAVA-JT400-ACCESS-JOBS-INCORROUT QGYOLJOB API CALL FA
   SI41966      TOOLBOXJAVA-JT400-ACCESS-FILE-INCORROUT ERROR TRYING TO LIST
   SI40988      TOOLBOXJAVA-JT400 JT400NATIVE.JAR FIXES FROM JTOPEN 7.1
   SI40988      TOOLBOXJAVA-JT400 Fixes from JTOpen 7.1
   SI40988      CA400EXP-OPNAV-FILESYS-MSGCPFA0A9 SETTING THE PRIMARY GROUP
   SI40988      TOOLBOXJAVA-JT400-ACCESS-JDBC-INCORROUT ISAUTOINCREMENT() ME
   SI40988      TOOLBOXJAVA MSGCPF3C40 VIEWING SPOOLED FILE WITH ISERIES NAV
   SI40988      TOOLBOXJAVA-JT400-ACCESS-JDBC-INCORROUT Connection hangs
   SI39749      TOOLBOXJAVA-JT400 JT400NATIVE.JAR FIXES FROM JTOPEN 7.0
   SI39749      TOOLBOXJAVA-JT400 Fixes from JTOpen 7.0
   SI39749      OSP-INCORROUT-SAP400 TOOLBOX JDBC BIDI SUPPORT
   SI39749      TOOLBOXJAVA-JT400-ACCESS-RLACCESS-PERFM DELAY READING NEXT E
   SI37996      TOOLBOXJAVA-JT400 Fixes from JTOpen 6.7
   SI37996      CA400EXP-OPNAV-FILESYS-F/QZLSSRV1-T/QZRCSRVS-RC3028-MSGCPFB6
   SI37996      TOOLBOXJAVA-JT400 JT400NATIVE.JAR FIXES FROM JTOPEN 6.7

Summary Information

System..............................i
Models..............................
Release.............................V7R1M0
Licensed Program...............5770SS1
APAR Fixed..........................View details for APAR SE46475
View details for APAR SE46477
View details for APAR SE46478
View details for APAR SE46532
View details for APAR SE46533
Superseded by:......................View fix details for PTF SI66701
Recompile...........................N
Library.............................QSYSDIR
MRI Feature ........................NONE
Cum Level...........................C1116710


System i Support

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Document Information

Modified date:
07 February 2011