[jbosscache-issues] jboss cache cause null pointer exception

Need help on the following JBoss Cache Problem Rolling back, exception encountered java.lang.NullPointerException at org.jboss.cache.interceptors.OptimisticNodeInterceptor.invoke( OptimisticNodeInterceptor.java(Compiled Code)) at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java(Compiled Code)) at org.jboss.cache.interceptors.OptimisticCreateIfNotExistsInterceptor.invoke( OptimisticCreateIfNotExistsInterceptor.java(Compiled Code)) at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java(Compiled Code)) at org.jboss.cache.interceptors.OptimisticValidatorInterceptor.invoke( OptimisticValidatorInterceptor.java(Compiled Code)) at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java(Compiled Code)) at org.jboss.cache.interceptors.OptimisticLockingInterceptor.invoke( OptimisticLockingInterceptor.java(Compiled Code)) at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java(Compiled Code)) at org.jboss.cache.interceptors.TxInterceptor.handleNonTxMethod( TxInterceptor.java(Compiled Code)) at org.jboss.cache.interceptors.TxInterceptor.invoke(TxInterceptor.java(Compiled Code)) at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java(Compiled Code)) at org.jboss.cache.interceptors.CacheMgmtInterceptor.invoke( CacheMgmtInterceptor.java(Compiled Code)) at org.jboss.cache.TreeCache.invokeMethod(TreeCache.java(Inlined Compiled Code)) at org.jboss.cache.TreeCache.remove(TreeCache.java(Compiled Code)) Thanks in advance -- Anuradha Uduwage