APAR status
Closed as program error.
Error description
Error Message: Customer is using XMLEncoder to serialize synchronized List created by Collections.synchronizedList(ArrayList) and gets NullPointerException. . Stack Trace: Failure in class java.lang.NullPointerException Exception in thread "main" java.lang.NullPointerException at java.beans.UtilCollectionsPersistenceDelegate.mutatesTo(UtilColl ectionsP ersistenceDelegate.java:59) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.j ava:118) at java.beans.Encoder.writeObject(Encoder.java:425) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:1009) at Test.testEncoder(Test.java:19) at Test.main(Test.java:8) . N/A
Local fix
Use ArrayList to serialize instead of generating synchronized List by Collections.synchronizedList(ArrayList).
Problem summary
The crash occurs when verifying "dead code" in classes that have been stored in the shared classes cache using the StackMapTable attribute.
Problem conclusion
The JVM has been updated to properly handle dead code in classes stored in the shared classes cache.
Temporary fix
Comments
APAR Information
APAR number
IV44500
Reported component name
JAVA CLASS LIBS
Reported component ID
620700130
Reported release
600
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2013-06-19
Closed date
2013-07-29
Last modified date
2013-10-21
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
R700 PSY
UP
[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSCVQ3Y","label":"Java Class Libraries"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"6.0","Edition":"","Line of Business":{"code":"","label":""}}]
Document Information
Modified date:
21 October 2013