APAR status
Closed as program error.
Error description
Error Message: JVM might appear hung and one of the Java thread will appear with the following stack trace. . Stack Trace: Java callstack: at com/ibm/lang/management/internal/ExtendedGarbageCollectorMXBeanI mpl.getLastGcInfoImpl(Native Method) at com/ibm/lang/management/internal/ExtendedGarbageCollectorMXBeanI mpl.getLastGcInfo(ExtendedGarbageCollectorMXBeanImpl.java:68) at sun/reflect/GeneratedMethodAccessor64.invoke(Bytecode PC:38) .
Local fix
Problem summary
The deadlock is caused when Garbage Collector information is fetched via GarbageCollectorMXBean API
Problem conclusion
JVM has been updated to prevent the deadlock from happening when an GarbageCollectorMXBean.getLastGcInfo() being invoked . This APAR will be fixed in the following Java Releases: 8 SR5 FP25 (8.0.5.25) . 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
IJ10135
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
2018-10-04
Closed date
2018-10-06
Last modified date
2018-10-06
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
R270 PSY
UP
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Document Information
Modified date:
21 February 2022