APAR status
Closed as program error.
Error description
Error Message: A SIGSEGV/GPF is received when -Xgc:concurrentScavenge is used. . Stack Trace: {libjclse29.so}{getArrayOfThreadInfo} {libjclse29.so}{Java_com_ibm_java_lang_management_internal_Threa dMXBeanImpl_getMultiThreadInfoImpl} {com/ibm/java/lang/management/internal/ThreadMXBeanImpl.getThrea dInfo} .
Local fix
The issue can be worked around by removing JVM option -Xgc:concurrentScavenge
Problem summary
The problem is caused when running functionality during Concurrent Scavenger Copy phase might make some reported object references to be obsolete
Problem conclusion
The JVM has been updated to prevent the crash from occurring so that those reported object references are not changed. . This APAR will be fixed in the following Java Releases: 8 SR7 FP5 (8.0.7.5) . Contact your IBM Product's Service Team for these Service Refreshes and Fix Packs. For those running stand-alone, information about the available Service Refreshes and Fix Packs can be found at: https://www.ibm.com/developerworks/java/jdk/
Temporary fix
Comments
APAR Information
APAR number
IJ35940
Reported component name
J9 COMMON CODE
Reported component ID
620700127
Reported release
270
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2021-11-02
Closed date
2021-11-04
Last modified date
2021-11-04
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
R270 PSY
UP
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Document Information
Modified date:
21 February 2022