Frequently asked questions
Which versions of OpenJDK are supported by IBM Runtimes for Business?
OpenJDK 8, OpenJDK 11 and OpenJDK 17 binaries distributed by the AdoptOpenJDK community (AdoptOpenJDK), Eclipse Adoptium (Temurin) and IBM (Semeru Runtimes).
Which Java virtual machines (JVMs) are supported by IBM Runtimes for Business?
IBM Runtimes for Business supports either the Eclipse OpenJ9 or HotSpot JVM-based OpenJDK binaries distributed by the AdoptOpenJDK community (AdoptOpenJDK), Eclipse Adoptium (Temurin) and IBM (Semeru Runtimes).
Does IBM Runtimes for Business support Java Web Start?
IBM Runtimes for Business supports IcedTea-Web when installed as an optional component for OpenJDK 8 only. IcedTea-Web has capabilities equivalent to Java Web Start.
Do I need IBM Runtimes for Business for IBM products that embed a Java runtime?
No. IBM products that bundle a Java runtime, such as IBM WebSphere® Application Server, already include support for the embedded Java runtime. No additional support or licensing is required for these Java runtimes.
Is electronic problem submission and voice problem submission included?
Yes. When submitting a ticket, always reference the product name "Runtimes for Business" to ensure your problem is routed to the correct IBM support team for investigation and resolution.
Will I be charged just for installing OpenJDK on my work laptop?
No. OpenJDK remains free to use.
Do I have to pay for support for every installation of my Java runtime environment?
No. You pay only for those servers and workstations for which you want support. Note: IBM products that bundle a Java runtime already include support for the embedded Java runtime. No additional support or licensing is required for Java runtimes acquired as part of these products.
Do I need to pay for support for every single instance of my OpenJDK runtime?
No. You choose which OpenJDK runtime environments you want IBM to support, whether they are running on a desktop or on a server.
Can I get security patches and updates for OpenJDK runtimes that aren't under a support contract?
Yes. Security patches and updates are made available at no cost by the respective projects.
What are the standard support hours?
Support hours are Monday through Friday from 9:00 AM to 5:00 PM (or normal country business hours, excluding national or statutory holidays, in your time zone). Coverage for severity level 1 problems is available 24 hours a day, 7 days a week, 52 weeks a year.
What is the response target?
Two business hours. Note: The response target is the IBM Support team's objective to respond to your high-severity support request. In some cases, the initial response could result in a resolution of your request, or it will formulate what additional actions are required to achieve technical resolution of your request.
Are developer assistance incidents included?
Is the support worldwide?