IV11071: GC HISTORY MISSING IN JAVACORE AFTER SNAP DUMP

APAR status

• Closed as program error.

Error description

• Error Message: N/A
  .
  Stack Trace: N/A
  .
  A javacore taken as a result of an Out of Memory Exception does
  not contain the GC history.
  

Local fix

• Decrease the priority on Snaptrace such that it is taken after
  the javacore.
  Use -Xdump:what to obtain the default  settings for the dump
  agent, modify the Out of Memory Exception snaptrace Xdump option
  to have a lower priority then the javacore
  -Xdump:none and the updated Xdump  settings taken in the
  previous step.
  

Problem summary

• The snaptrace was being taken before the javacore, this meant
  that no trace data was available for the GC History section in
  the javacore
  

Problem conclusion

• This defect will be fixed in:
  6.0.0 SR9
  5.0.0 SR14
  .
  The default -Xdump settings have been updated to modify the
  priority of the snaptrace during an Out Of Memory Exception
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

  IV11072

Fix information

• Fixed component name

  J9 COMMON CODE

• Fixed component ID

  620700127

Applicable component levels

• R600 PSY

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