APAR status
Closed as program error.
Error description
Error Message: java.lang.Exception: failed to write expression: HashSet=Class.new(); . Stack Trace: java.lang.Exception: failed to write expression: HashSet=Class.new(); at java.beans.Encoder.writeExpression(Encoder.java:367) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:956) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.j ava:117) at java.beans.Encoder.writeObject(Encoder.java:386) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:974) at java.beans.Encoder.writeExpression(Encoder.java:365) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:956) at java.beans.UtilMapPersistenceDelegate.initialize(UtilMapPersiste nceDeleg ate.java:43) at java.beans.PersistenceDelegate.initialize(PersistenceDelegate.ja va:60) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersiste nceDeleg ate.java:103) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.j ava:114) at java.beans.Encoder.writeObject(Encoder.java:386) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:974) at java.beans.Encoder.writeExpression(Encoder.java:365) at java.beans.XMLEncoder.writeExpression(XMLEncoder.java:956) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.j ava:117) at java.beans.Encoder.writeObject(Encoder.java:386) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:974) at XMLEncoderTest.main(XMLEncoderTest.java:18) Caused by: java.util.ConcurrentModificationException at java.util.HashMap$AbstractMapIterator.checkConcurrentMod(HashMap .java:12 2) at java.util.HashMap$AbstractMapIterator.makeNext(HashMap.java:127) at java.util.HashMap$KeyIterator.next(HashMap.java:200) at java.beans.UtilCollectionPersistenceDelegate.initialize(UtilColl ectionPe rsistenceDelegate.java:37) at java.beans.PersistenceDelegate.initialize(PersistenceDelegate.ja va:60) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersiste nceDeleg ate.java:103) at java.beans.PersistenceDelegate.initialize(PersistenceDelegate.ja va:60) at java.beans.DefaultPersistenceDelegate.initialize(DefaultPersiste nceDeleg ate.java:103) at java.beans.PersistenceDelegate.writeObject(PersistenceDelegate.j ava:114) at java.beans.Encoder.writeObject(Encoder.java:386) at java.beans.XMLEncoder.writeObject(XMLEncoder.java:974) at java.beans.Encoder.writeExpression(Encoder.java:365) ... 18 more .
Local fix
Problem summary
The problem is caused when java.beans.UtilCollectionPersistenceDelegate.initialize use iterator.next to a collection and the collection is modified at the same time.
Problem conclusion
This defect will be fixed in: 6.0.0 SR11 6.0.1 SR4 . UtilCollectionPersistenceDelegate has been updated to prevent the java.util.ConcurrentModificationException
Temporary fix
Comments
APAR Information
APAR number
IV20281
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
2012-04-26
Closed date
2012-04-30
Last modified date
2012-08-30
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
[{"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:
30 August 2012