JRE from IBM

Hi,
 I want to use NBMDR with JRE from IBM. I tried  to run this on version 
of JRE:
/J2RE 1.3.1 IBM Windows 32 build cn131-20020403 .

/On running repository generated this exception:*
java.lang.NullPointerException
    at 
org.netbeans.mdr.persistence.btreeimpl.btreeindex.BtreeListByKey.size(BtreeListByKey.java(Compiled 
Code))
    at 
org.netbeans.mdr.persistence.btreeimpl.btreeindex.BtreeListByKey.size(BtreeListByKey.java(Compiled 
Code))
    at 
org.netbeans.mdr.persistence.btreeimpl.btreeindex.BtreeListByKey.size(BtreeListByKey.java(Compiled 
Code))
    at 
org.netbeans.mdr.storagemodel.IndexImmutSet.size(IndexImmutSet.java:78)
    at 
org.netbeans.mdr.storagemodel.AssocEndIndexSet.add(AssocEndIndexSet.java:143)
    at 
org.netbeans.mdr.storagemodel.StorableAssociation.addLink(StorableAssociation.java:373)
    at 
org.netbeans.mdr.storagemodel.BootReader.createInstances(BootReader.java:440)
    at 
org.netbeans.mdr.storagemodel.BootReader.createInstances(BootReader.java:482)
    at 
org.netbeans.mdr.storagemodel.BootReader.createInstances(BootReader.java:161)
    at org.netbeans.mdr.storagemodel.BootReader.read(BootReader.java:130)
    at 
org.netbeans.mdr.NBMDRepositoryImpl.createBootMOF(NBMDRepositoryImpl.java:1559)
    at 
org.netbeans.mdr.NBMDRepositoryImpl.installFakeMof(NBMDRepositoryImpl.java:1501)
    at 
org.netbeans.mdr.NBMDRepositoryImpl.boot(NBMDRepositoryImpl.java:1484)
    at 
org.netbeans.mdr.NBMDRepositoryImpl.initCheck(NBMDRepositoryImpl.java:587)
    at 
org.netbeans.mdr.NBMDRepositoryImpl.getExtentNames(NBMDRepositoryImpl.java:327)
*
This exception is generated only when I have JIT enabled. If I disable 
JIT this exception is not generetad(It also not work perfectly, but it run).
Can somebody  try to help me.
Thanks.