APAR status
Closed as program error.
Error description
Error Message: Hang in javacore, indicated by a dump start message (JVMDUMP034I) without a corresponding dump end message (JVMDUMP010I). The javacore produced is truncated in the thread section, or in the preceding memory or lock sections. . Stack Trace: N/A . The problem is intermittent.
Local fix
Disable native stack collection in javacores by using the -Xdump option to remove the default request=preempt setting for the java dump agent.
Problem summary
Problem is caused by a deadlock in the native thread stack collection.
Problem conclusion
This defect will be fixed in: 7.0.0 SR3 6.0.1 SR4 . The javacore native thread collection support has been updated to prevent the deadlock.
Temporary fix
Comments
APAR Information
APAR number
IV29779
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
2012-10-09
Closed date
2012-10-09
Last modified date
2012-10-09
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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