IV39510: THREAD.GETSTACKTRACE() METHOD FAILS WITH SIGNAL SIGSEGV.

APAR status

• Closed as program error.

Error description

• Error Message: Java process terminates with signal SIGSEGV/GPF
  while executing Thread.getStackTrace() method.
  .
  Stack Trace: walkMethodFrame
  walkStackFrames
  getStackTraceForThread
  java_lang_Thread_getStackTraceImpl
  .
  

Local fix

Problem summary

• A Thread may continue running while another thread is getting
  its stack trace, resulting in a crash.
  

Problem conclusion

• This defect will be fixed in:
  6.0.0 SR14
  6.0.1 SR6
  7.0.0 SR5
  .
  The JVM has been updated to properly suspend threads during
  stack trace creation.
  

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

• R600 PSY

     UP

• R260 PSY

     UP