A fix is available
APAR status
Closed as program error.
Error description
Error Message: n/a . Stack Trace: MM_ClassLoaderManager::cleanUpClassLoadersStart MM_ParallelGlobalGC::unloadDeadClassLoaders MM_ParallelGlobalGC::masterThreadGarbageCollect MM_ConcurrentGC::internalGarbageCollect ... . Classfile modification leads to crash in GC.
Local fix
Short term solution is to disable the transformer/agent inducing class redefinition.
Problem summary
The GC crashed on reading a null forward pointer of a class that was redefined.
Problem conclusion
This defect will be fixed in: 6.0.1 SR1 FP1 7.0.0 SR1 . The JVM has been updated to populate the forward pointer appropriately when a class has been redefined.
Temporary fix
Comments
APAR Information
APAR number
IV11263
Reported component name
J9 COMMON CODE
Reported component ID
620700127
Reported release
260
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2011-11-30
Closed date
2011-12-06
Last modified date
2012-06-06
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
J9 COMMON CODE
Fixed component ID
620700127
Applicable component levels
R260 PSY
UP
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Document Information
Modified date:
21 February 2022