IBM SDK, Java Technology Edition Version 6 service refresh 13

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Abstract

IBM® SDK, Java™ Technology Edition, Version 6 service refresh 13 general availability.

Content

Service refresh 13 is now available on developerWorks and contains a number of enhancements to the IBM SDK, Java Technology Edition Version 6 code base:

  • Changes to the shared classes cache
  • New unlimited security jurisdiction policy files
  • Non-blocking registration of interested operations with selectors on the AIX operating system
  • Updated Health Center agent


For any security fixes provided in this service refresh, see the list of Security alerts.
For a list of the IBM fixes included, see IBM SDK, Java Technology Edition, Version 6 fixes.

For any late breaking news or supplementary information that is not included in the Information Center, see IBM SDK, Java Technology Edition, Version 6: Current news.

Visit developerWorks: IBM developer kits to download the service refresh for your platform.





Change to the shared classes cache generation number

The format of classes stored in the shared classes cache is changed in service refresh 13. As a result, there is a different shared cache generation number, which causes the JVM to create a new shared classes cache, rather than re-creating or reusing an existing cache. To save space, all existing shared caches should be removed unless they are in use by an earlier release of IBM SDK, Java Technology Edition, Version 6. For more information about deleting a shared classes cache, see the -Xshareclasses option here: JVM command-line option, -Xshareclasses.

Unlimited security jurisdiction policy files

A new set of unlimited jurisdiction policy files are available for download. Although the old policy files continue to work with all current releases, after installing IBM SDK, Java Technology Edition, Version 6 service refresh 13, you should plan to update to the new policy files before 2014. This activity is necessary ahead of the expiry of the certificates that sign these policy files. For more information, see IBM SDK policy files.

Non-blocking registration of interested operations with selectors on the AIX operating system

For more information, refer to IBM SDK, Java Technology Edition, Version 6: Current news.

Health Center agent

This release contains a later level of the IBM Monitoring and Diagnostic Tool for Java Health Center agent. To learn about the function included with this agent, see Health Center platform requirements.

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Document information


More support for:

Runtimes for Java Technology
Java SDK

Software version:

6.0

Operating system(s):

AIX, Linux, Linux zSeries, z/OS

Software edition:

J2SE

Reference #:

1624998

Modified date:

2013-03-01

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