IX90198: NULLPOINTEREXCEPTION IN ORB CALL WHILE DESERIALIZING SYNCHRONIZED COLLECTIONS

APAR status

• Closed as program error.

Error description

• Error Message: N/A
  .
  Stack Trace: Caused by: org.omg.CORBA.MARSHAL: Unable to read
  value from underlying bridge : null vmcid: IBM minor code: 896
   completed: No
   at
  com.ibm.rmi.iiop.CDRReader.read_value(CDRReader.java:807)
   at
  com.ibm.rmi.iiop.CDRReader.readAnyOpt(CDRReader.java:516)
   at
  com.ibm.rmi.iiop.EncoderInputStream.readAnyOpt(EncoderInputStrea
  m.java:812)
   at
  com.ibm.CORBA.iiop.UtilDelegateImpl.readAny(UtilDelegateImpl.jav
  a:417)
   at javax.rmi.CORBA.Util.readAny(Util.java:103)
   at
  ch.css.sample.ibm._TestInterface_Stub.getValue(_TestInterface_St
  ub.java:2)
   ... 74 more
  Caused by: java.lang.NullPointerException
   at
  java.util.Collections$SynchronizedMap.entrySet(Collections.java:
  2626)
   at
  com.ibm.rmi.iiop.CDRReader.incrementCopyObjectRefs(CDRReader.jav
  a:2154)
   at
  com.ibm.rmi.iiop.CDRReader.readIndirection(CDRReader.java:2245)
   at
  com.ibm.rmi.iiop.CDRReader.fast_read_value(CDRReader.java:1229)
   at
  com.ibm.rmi.iiop.CDRReader.fast_readAnyOpt(CDRReader.java:498)
   at
  com.ibm.rmi.iiop.EncoderInputStream.fast_readAnyOpt(EncoderInput
  Stream.java:807)
   at
  com.ibm.rmi.io.IIOPInputStream.readAny(IIOPInputStream.java:3379
  )
   at
  com.ibm.rmi.io.IIOPInputStream.readObjectField(IIOPInputStream.j
  ava:3344)
   at
  com.ibm.rmi.io.IIOPInputStream.inputClassFields(IIOPInputStream.
  java:2792)
   at
  com.ibm.rmi.io.IIOPInputStream.continueSimpleReadObject(IIOPInpu
  tStream.java:821)
   at
  com.ibm.rmi.io.IIOPInputStream.simpleReadObjectLoop(IIOPInputStr
  eam.java:744)
   at
  com.ibm.rmi.io.IIOPInputStream.inputObjectUsingClassDesc(IIOPInp
  utStream.java:2078)
   at
  com.ibm.rmi.io.IIOPInputStream.inputObjectClassDesc(IIOPInputStr
  eam.java:2007)
   at
  com.ibm.rmi.io.IIOPInputStream.readSerializable(IIOPInputStream.
  java:1640)
   at
  com.ibm.rmi.io.IIOPInputStream.simpleReadObjectInternal(IIOPInpu
  tStream.java:644)
   at
  com.ibm.rmi.io.IIOPInputStream.simpleReadObject(IIOPInputStream.
  java:680)
   at
  com.ibm.rmi.io.ValueHandlerImpl.readValue(ValueHandlerImpl.java:
  193)
   at
  com.ibm.rmi.iiop.CDRReader.read_value(CDRReader.java:787)
   ... 79 more
  .
  

Local fix

Problem summary

• A NullPointerException occurs during an ORB call when
  deserializing a synchronized map.
  

Problem conclusion

• Implemented code to handle the deserialization of synchronized
  collections.
  .
  This APAR will be fixed in the following Releases:
  .
  IBM Semeru Runtimes
  IBM SDK, Java Technology Edition
   8 SR8 FP35 (8.0.8.35)
   7 R1 SR5 FP25 (7.1.5.25) (restricted access)
  .
  Downloads and supplementary documentation can be found at the
  following locations:
  - For non z/OS operating systems:
   - IBM Semeru Runtimes, Version 11 and later
   https://www.ibm.com/semeru-runtimes/downloads/
   - IBM SDK, Java Technology Edition, Version 8
   https://www.ibm.com/support/pages/java-sdk-downloads/
  - For the z/OS operating system:
   - Java SDK Products on z/OS
   https://www.ibm.com/support/pages/java-sdk-products-zos
  

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

  ORB

• Fixed component ID

  620700123

Applicable component levels