APAR status
Closed as program error.
Error description
Error Message: A GPF event is received when Java is trying to walk the Java stack . . Stack Trace: libj9prt29.so+0x263fa : 0x263fa <mainSynchSignalHandler+554> [../../omr/port/unix/omrsignal.c:1070] libpthread.so.0+0xf630 libj9vm29.so+0x9c28c : 0x9c28c <iterateStackTrace+1804> [exceptiondescribe.c:380] libjclse29.so+0x1e4d5 : 0x1e4d5 <getStackTrace+165> [common/jclexception.c:361] Java_java_lang_J9VMInternals_getStackTrace+0x30 (0x00002B7CB39D03F0 [libjclse29.so+0x1b3f0])
Local fix
The issue can be worked around using the -Xshareclasses:none option to disable the shared classes cache.
Problem summary
The problem is caused when a wrong copy of the J9RomClass or the wrong number of ROMMethod count are used.
Problem conclusion
The JVM has been updated to ensure the correct copy of the J9ROMClass and the correct number of the ROMMethod count are used . This APAR will be fixed in the following Java Releases: 8 SR6 FP35 (8.0.6.35) . 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
IJ33306
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
2021-06-17
Closed date
2021-06-22
Last modified date
2021-07-22
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