IJ18410: CRASH ON METHOD omrthread_monitor_enter()

APAR status

• Closed as program error.

Error description

• Error Message: SIGSEGV/GPF is received
  .
  Stack Trace: omrthread_monitor_enter() at 0x90000000974db84
  flushProcessWriteBuffers(??), line 49 in
      "FlushProcessWriteBuffers.cpp"
    haltThreadForInspection(??, ??), line 1255 in "VMAccess.cpp"
    cancelLockReservation(??), line 288 in "monhelpers.c"
    objectMonitorEnterBlocking(??), line 144 in
      "ObjectMonitor.cpp"
    old_slow_jitMethodMonitorEntry(currentThread =
      0x000000003059f900), line 1152 in "cnathelp.cpp"
  .
  

Local fix

Problem summary

• The issue is caused when JVM tries to get an internal structure
  from a terminated thread.
  

Problem conclusion

• The JVM has been updated to use the active thread to fetch the
  internal structure, rather than the terminated thread.
  .
  This APAR will be fixed in the following Java Releases:
     8    SR5 FP41  (8.0.5.41)
  .
  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 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

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