IV69126: CRASH IN JVM WHEN UNLOADING CLASSLOADERS DURING GARBAGE COLLECTION

APAR status

• Closed as program error.

Error description

• Error Message: N/A
  .
  Stack Trace: ClasspathItem::cleanup() ()j9shr_freeClasspathData
  ()freeSharedCacheCLEntries ()cleanUpClassLoader ()
  .
  

Local fix

• Disable shared class cache by adding -Xshareclasses:none option
  to the java command line.
  

Problem summary

• The problem is caused when the JVM attempts to unload
  classloaders during garbage collection.
  

Problem conclusion

• The JVM has been updated to prevent the crash when classloaders
  are unloaded during garbage collection.
  .
  This APAR will be fixed in the following Java Releases:
   8 SR1 (8.0.1.0)
   7 R1 SR1 FP3 (7.1.3.0)
   7 SR9 (7.0.9.0)
   6 R1 SR8 FP4 (6.1.8.4)
  .
  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

• R260 PSY

     UP