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java.lang.NullPointerException at com.sun.appserv.util.cache.BaseCache.hash(BaseCache.java:174) at com.sun.appserv.util.cache.BaseCache.get(BaseCache.java:295) at com.sun.enterprise.distributedtx.J2EETransactionManagerImpl.getResourceList(J2EETransactionManagerImpl.java:733) at com.sun.enterprise.distributedtx.J2EETransactionManagerImpl.enlistComponentResources(J2EETransactionManagerImpl.java:500) at com.sun.enterprise.distributedtx.J2EETransactionManagerImpl.enlistComponentResources(J2EETransactionManagerImpl.java:347) at com.sun.enterprise.distributedtx.UserTransactionImpl.begin(UserTransactionImpl.java:130) at org.springframework.transaction.jta.JtaTransactionManager.doBegin(JtaTransactionManager.java:437) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:271) at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:201) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:49) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:144) at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:619) at ca.aeso.itc.service.LockManager$$EnhancerByCGLIB$$936cdaf9.lock(<generated>) at ca.aeso.itc.job.SynchronizedJob.execute(SynchronizedJob.java:44) at com.aptc.corp.schedule.Scheduler$ThreadPool$WorkerThread.run(Scheduler.java:498)