Regression:HashMap threw Exception CORBA MARSHAL for 142_11-b01 but passes for 142_10-b03 for all OS

Synopsis: CORBA/IDL HashMap threw Exception CORBA MARSHAL for 142_11-b01 but passing with 142_10-b03 for all OS

FOR 142_11-b01:
==============
java -version :
===============
java version "1.4.2_11-ea"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_11-ea-b01)
Java HotSpot(TM) Client VM (build 1.4.2_11-ea-b01, mixed mode)

To Reproduce:
=============
1) Install the testing JDK in test machine
2) from the testing machine cd <corba-workspace>/tests/interoperability/serialization
2) export JAVA_HOME_MANTIS=<java-home>
3) export PATH=<CORBA-WORKSPACE>/bin:$PATH
4) Run the command as
rip-make -env mantis -v all 2>&1 | tee all.log
5) after run completion vi all.log file

ERROR:
=====
<TEST-CASE>
<TEST-CASE-ID STATUS="FAILED">Test06</TEST-CASE-ID>
<TEST-CASE-DESC>Serializing class java.util.HashMap threw Exception CORBA MARSHAL 1398079699 Maybe; nested exception is:
        org.omg.CORBA.MARSHAL: vmcid: SUN minor code: 211 completed: Maybe</TEST-CASE-DESC>
</TEST-CASE>

FOR 142_10-b03:
==============
java version "1.4.2_10"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_10-b03)
Java HotSpot(TM) Client VM (build 1.4.2_10-b03, mixed mode)

OUTPUT:
======
<TEST-CASE>
<TEST-CASE-ID STATUS="PASSED">Test06</TEST-CASE-ID>
<TEST-CASE-DESC>Serializing class java.util.HashMap</TEST-CASE-DESC>
</TEST-CASE>

Note :
======
WORK-SPACE LOCATION:
===================
INDIA workspace : /net/urts071.india/user1/user_dir/basavaraj/mantis_corba
Dublin workspace :/net/jqa-store.ireland/export/home2/masterWS/mantis-green/142_Corba

1) log file is attached to the bugster.(all.log)

Please see other bug id as well : 6345452 & 6351146.

2) Since the exception thrown in 6345452 bug is diffrent than this I thought of filing a new bug.