IV01858: SECURITY CODE THROWS CONCURRENTMODIFICATIONEXCEPTION AND KEYSTOR EEXCEPTION IN A MULTI-THREAD ENVIRONMENT

APAR status

• Closed as program error.

Error description

• Error Message: Security code throws
  ConcurrentModificationException and NPE in a multi-thread
  environment
  .
  Stack Trace: Following exception may be throwed out, because it
  is a multi-thread problem, may not be created every time.
  Exception in thread 'Thread-2'
  java.util.ConcurrentModificationException
          at
  java.util.AbstractList$SimpleListIterator.next(AbstractList.java
  :64)
          at
  org.apache.harmony.security.fortress.Services.updateServiceInfo(
  Services.java:810)        at
  org.apache.harmony.security.fortress.Services.refresh(Services.j
  ava:855)
          at
  org.apache.harmony.security.fortress.Engine.getInstance(Engine.j
  ava:127)
          at java.security.KeyStore.getInstance(KeyStore.java:96)
  ....
  Exception in thread 'Thread-2' java.security.KeyStoreException:
  KeyStore JKS implementation not found
          at java.security.KeyStore.getInstance(KeyStore.java:100)
  ...
  .
  

Local fix

Problem summary

• The problem is caused when security API is called in a
  multi-thread environment.
  

Problem conclusion

• This defect will be fixed in:
  6.0.1 SR1
  6.0.0 SR9 FP2
  .
  The code has been updated to make the resource thread safe.
  .
  To obtain the fix:
  Install build 20110319 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

  JAVA CLASS LIBS

• Fixed component ID

  620700130

Applicable component levels

• R600 PSY

     UP