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