NullpointerException during adding node

Detail log file is attached. This happened during adding node.

Line 25568: Received the new view
Line 25664: NullPointerException is thrown
Line 25933: Setting factory enum to %s is printed.

2011-08-24 11:48:52,433 ERROR [org.infinispan.interceptors.InvocationContextInterceptor] (OOB-8,erm-cluster-REHASH-TEST,beaumaris-52700) ISPN000136: Execution error
java.lang.NullPointerException
at org.infinispan.transaction.xa.TransactionFactory.newGlobalTransaction(TransactionFactory.java:260)
at org.infinispan.transaction.TransactionTable.getOrCreateLocalTransaction(TransactionTable.java:422)
at org.infinispan.interceptors.TxInterceptor.enlist(TxInterceptor.java:227)
at org.infinispan.interceptors.TxInterceptor.enlistReadAndInvokeNext(TxInterceptor.java:197)
at org.infinispan.interceptors.TxInterceptor.visitLockControlCommand(TxInterceptor.java:157)
at org.infinispan.interceptors.DistTxInterceptor.visitLockControlCommand(DistTxInterceptor.java:117)
at org.infinispan.commands.control.LockControlCommand.acceptVisitor(LockControlCommand.java:122)