CORBA some interoperability/serialization tests are failed

JDK: Mustang
FAIL - b44, b45
PASS - b42
Location: /net/koori/onestop/jdk/1.6.0/latest/bundles
Platform: Solaris 8 on x86
switch/Mode: default
Failing Test[s]:interoperability/serialization


TestBase Location:
===================
/net/jsqalab.sfbay/export/testsuites/CORBA/mustang

Test source location:
=======================
<TestBase Location>/tests/interoperability/serialization

How to reproduce:
====================
1. cd to TestBase Location
2. export PATH=`pwd`/bin:$PATH
3. cd <Test source location>
4. rip-make -env mustang -jdk <jdk location> -workdir /tmp -v all

Test output:
==============
There are diff exeptions in b44 and b45.

b44
======
1 test failes:
Object Serialization Interoperability Tests
interoperability_serialization_null_x_null:Interop Test CORBA COMM_FAILURE 1398079689 No; nested exception is: org.omg.CORBA.COMM_FAILURE: vmcid: SUN minor code: 201 completed: No
 
See log file for more details at:
http://jsqalab/results/6.0/b44/Corba/corba_test-corba_test-IA8_c1-2005-07-26-11-02-48-0899/logs/interoperability/serialization.log

b45
======
10 tests fail:
Serializing class java.math.BigDecimal threw Exception CORBA MARSHAL 1398079699 Maybe; nested exception is: org.omg.CORBA.MARSHAL: ----------BEGIN server-side stack trace---------- org.omg.CORBA.MARSHAL: vmcid: SUN minor code: 211 completed:


See log file for more details at:
http://jsqalab/results/6.0/b45/Corba/corba_test-corba_test-IA8_c2-2005-07-29-10-56-57-0359/logs/interoperability/serialization.log

b42
======
all tests are passed:
http://jsqalab/results/6.0/b42/Corba/corba_test-corba_test-IA8_c2-2005-06-24-16-06-28-0759/logs/interoperability/serialization.log

Specific Machine Info:
=====================
$ uname -a
SunOS talitha 5.8 Generic_117351-24 i86pc i386 i86pc

The problem is reproducuble on three diff systems.