NullPtrException when passing BigIntegers

Passing a java.math.BigInteger results in the following NullPtrException:

java.lang.NullPointerException
        at com.sun.corba.se.internal.io.ObjectStreamClass$CompareMemberByName.compare(ObjectStreamClass.java:1464)
        at java.util.Arrays.mergeSort(Arrays.java:1181)
        at java.util.Arrays.sort(Arrays.java:1128)
        at com.sun.corba.se.internal.io.ObjectStreamClass.computeStructuralUID(ObjectStreamClass.java:1124)
        at com.sun.corba.se.internal.io.ObjectStreamClass.init(ObjectStreamClass.java:585)
        at com.sun.corba.se.internal.io.ObjectStreamClass.lookupInternal(ObjectStreamClass.java:141)
        at com.sun.corba.se.internal.io.ObjectStreamClass.lookup(ObjectStreamClass.java:86)
        at com.sun.corba.se.internal.io.ValueHandlerImpl.writeReplace(ValueHandlerImpl.java:371)
        at com.sun.corba.se.internal.iiop.CDROutputStream_1_0.write_value(CDROutputStream_1_0.java:928)
        at com.sun.corba.se.internal.iiop.CDROutputStream.write_value(CDROutputStream.java:252)
        at com.sun.corba.se.internal.corba.TCUtility.marshalIn(TCUtility.java:141)
        at com.sun.corba.se.internal.corba.AnyImpl.write_value(AnyImpl.java:573)
        at com.sun.corba.se.internal.iiop.CDROutputStream_1_0.write_any(CDROutputStream_1_0.java:462)
        at com.sun.corba.se.internal.iiop.CDROutputStream.write_any(CDROutputStream.java:226)
        at com.sun.corba.se.internal.javax.rmi.CORBA.Util.writeAny(Util.java:188)
        at javax.rmi.CORBA.Util.writeAny(Util.java:80)
        at _Tester_Stub.verifyTransmission(Unknown Source)
        at Client.testBigInteger(Client.java:32)
        at Client.main(Client.java:71)

This may occur with a large number of other classes. Please see the comments section for more information.


************************************************************************
muthu.anbumani@eng 2001-08-03

Verification of Interop Test
tests/product/serial/interop
Done Successfully

-Build: j2sdk-1_3_1_01-fcs-bin-solsparc-27_jun_2001
-Build: j2sdk-1_4_0-beta_refresh-bin-b74-solsparc-01_aug_2001
*************************************************************************