IV71191: NULLPOINTEREXCEPTION IN ATTACH API WAIT LOOP

APAR status

• Closed as program error.

Error description

• Error Message: N/A
  .
  Stack Trace: Exception in thread 'Attach API wait loop'
  java.lang.NullPointerExceptionat
  com.ibm.tools.attach.javaSE.TargetDirectory.createMySyncFileat
  com.ibm.tools.attach.javaSE.AttachHandler$WaitLoop.checkReplyAnd
  CreateAttachmentat
  com.ibm.tools.attach.javaSE.AttachHandler$WaitLoop.waitForNotifi
  cationat com.ibm.tools.attach.javaSE.AttachHandler$WaitLoop.run
  .
  

Local fix

• None.  This does not affect normal operation of the Java VM.
  

Problem summary

• The Java VM Attach API implementation contained a race
  condition.
  

Problem conclusion

• Additional synchronization was added to the Java VM Attach API
  implementation.
  .
  This APAR will be fixed in the following Java Releases:
     7    SR9       (7.0.9.0)
     6 R1 SR8 FP15  (6.1.8.15)
     7 R1 SR3       (7.1.3.0)
  .
  Contact your IBM Product's Service Team for these Service
  Refreshes and Fix Packs.
  For those running stand-alone, information about the 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

     UP

• R260 PSY

     UP

• R600 PSY

     UP