IV97949: IBM JAVA KLIST THROWS JAVA.LANG.OUTOFMEMORYERROR WHEN THE CREDENTIALS CACHE IS CORRUPTED.

APAR status

• Closed as program error.

Error description

• Error Message: JVMDUMP013I Processed dump event systhrow, detail
  java/lang/OutOfMemoryError.
  .
  Stack Trace: Exception in thread "main"
  java.lang.OutOfMemoryError: Java heap space
          at com.ibm.security.krb5.internal.ccache.a.m(a.java:32)
          at com.ibm.security.krb5.internal.ccache.a.q(a.java:15)
          at com.ibm.security.krb5.internal.ccache.d.a(d.java:27)
          at com.ibm.security.krb5.internal.ccache.e.c(e.java:36)
          at com.ibm.security.krb5.internal.ccache.d.a(d.java:44)
          at
  com.ibm.security.krb5.internal.tools.Klist.main(Klist.java:132)
  .
  

Local fix

Problem summary

• IBM Java klist throws java.lang.OutOfMemoryError when the
  credentials cache is corrupted.
  

Problem conclusion

• Updated the CCacheInputStream, FileCredentialsCache, and
  KrbDataInputStream classes to recognize a corrupted credentials
  cache file, and exit gracefully.
  The associated RTC PR is 127196
  The associated Austin CMVC defect is 117645
  The associated Austin APAR is IV94737
  JVMs affected : Java 8, only (due to significant differences in
  the affected classes for Java 6 & 7, which prohibit porting)
  The fix was delivered for: Java 8 SR4 FP10 only
  The affected jars:  ibmjgssprovider.jar
  The build level of this jar for the affected releases is
  "20170607"
  .
  This APAR will be fixed in the following Java Releases:
     8    SR4 FP10  (8.0.4.10)
  .
  Contact your IBM Product's Service Team for these Service
  Refreshes and Fix Packs.
  For those running stand-alone, information about the available
  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

  SECURITY

• Fixed component ID

  620700125

Applicable component levels

• R270 PSY

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