IV55439: JAVA PROCESS NATIVE MEMORY LEAK ASSOCIATED WITH CLASS LOADING WHEN SHARED CLASSES IS ENABLED.

APAR status

• Closed as program error.

Error description

• Error Message: A large increase in the java process native
  memory footprint. The Java process may eventually throw
  OutOfMemoryError with the detailed message  "native memory
  exhausted" .
  
  The Snap trace records may show multiple instances of one of the
  following messages :
  
  JCL: com.ibm.oti.shared createCPEntries: Exiting FALSE as
  getPathProtocolFromURL failed
  
  JCL: com.ibm.oti.shared createCPEntries: Exiting FALSE as
  getCpeTypeForProtocol failed
  
  JCL: com.ibm.oti.shared createCPEntries: Exiting FALSE as
  correctURLPath failed
  
  JCL: com.ibm.oti.shared createCPEntries: Exiting FALSE as
  pool_newElement failed
  

Local fix

Problem summary

• The problem is caused by a memory leak in the jvm code that
  deals with classloading when shared classes is enabled.The
  memory leak occurs only during an error condition in the code
  that creates class path entries in the shared classes cache. The
  Snap trace records that indicate that such an error condition is
  occuring, are listed in the 'Error description' section.
  

Problem conclusion

• This APAR will be fixed in the following Java Releases:
     6    SR16      (6.0.16.0)
     6 R1 SR8       (6.1.8.0)
     7    SR7       (7.0.7.0)
     7 R1 SR1       (7.1.1.0)
  .
  The memory leak has been fixed.
  

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

• R270 PSY

     UP