IZ86738: NULLPOINTEREXCEPTION WHEN DEBUGGING SHUTDOWNHOOKS

APAR status

• Closed as program error.

Error description

• Error Message: java.lang.NullPointerException
  
     at
  
  
  java.lang.ApplicationShutdownHooks.run(ApplicationShutdownHooks.
  java:81)
  .
  Stack Trace: at java.lang.Shutdown.runHooks(Shutdown.java:100)
  
     at java.lang.Shutdown.sequence(Shutdown.java:144)
  
     at java.lang.Shutdown.exit(Shutdown.java:189)
  
     at java.lang.Runtime.exit(Runtime.java:102)
  
     at java.lang.System.exit(System.java:280)
  
     at xy.TryShutdown.main(TryShutdown.java:14)
  .
  

Local fix

• Disable NullPointerException breakpoints during debug or a class
  which hits this issue.
  

Problem summary

• In Eclipse, add a Java Exception Breakpoint for
    java.lang.NullPointerException, and then debug a class which
    adds shutdown hooks.
  

Problem conclusion

• This defect will be fixed in:
  6.0.0 SR9
  .
  The JVM classes have been updated to fix this issue
  .
  To obtain the fix:
  Install build 20101015 or later
  

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 PSN

     UP