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Abstract
java.security.AccessControlException: Access denied (java.lang.RuntimePermission modifyThreadGroup) is thrown.
Download Description
PM12989 resolves the following problem:
ERROR DESCRIPTION:
When using the eXtreme Scale OpenJPA L2 cache implementation, a thread was being created without the correct AccessController.doPrivileged() call. When the OpenJPA L2 is first referenced, the following message and exception is seen in the SystemOut.log:
SECJ0314W: Current Java 2 Security policy reported a potential
violation of Java 2 Security Permission.
Refer to the InfoCenter for further information.
Permission:
modifyThreadGroup : Access denied
(java.lang.RuntimePermission modifyThreadGroup)
Code:
com.ibm.ws.objectgrid.container.
ObjectGridContainerImpl$PlacementServiceUpdater in
{file:/${WAS_HOME}/lib/wsobjectgrid.jar}
LOCAL FIX:
PROBLEM SUMMARY
USERS AFFECTED:
All users of WebSphere eXtreme Scale Version 7.0.0.0 FIX2 or above who are using the eXtreme Scale OpenJPA L2 cache.
PROBLEM DESCRIPTION:
java.security.AccessControlException: Access denied
(java.lang.RuntimePermission modifyThreadGroup)
is thrown.
RECOMMENDATION:
None
The WebSphere eXtreme Scale runtime was changed to add the necessary AccessController.doPrivileged() method call when creating the thread.
PROBLEM CONCLUSION:
An interim fix will be made available for this APAR. A future cumulative fix will correct the problem for WebSphere eXtreme Scale Version 6.1.0.5.
See the Recommended Updates page for delivery information:
http://www.ibm.com/support/docview.wss?uid=swg27005709
Prerequisites
PM08219
Installation Instructions
Review the readme.txt for detailed installation instructions.
Technical Support
Contact IBM Support using SR (http://www.ibm.com/software/support/probsub.html), visit the WebSphere Extended Deployment support web site (http://www.ibm.com/support/entry/portal/Overview/Software/WebSphere/WebSphere_Extended_Deployment), or contact 1-800-IBM-SERV (U.S. only).
Problems (APARS) fixed
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Document Information
Modified date:
15 June 2018
UID
swg24026675