Getting "Stack must not be null" error when running a test
ejbengine Aug 20, 2007 7:54 PMThe code for my test is :
public class FindClaimTest extends SeamTest { @Test public void testFindUnregisteredClaims() throws Exception { new ComponentTest() { protected void testComponents() throws Exception { invokeMethod("#{registrationFinder.find}"); } }.run(); } }
However, when this test runs , its failing with the message
"javax.el.ELException: javax.ejb.EJBException: java.lang.IllegalArgumentException: Stack must not be null"
The full stacktrace is shown below :
javax.el.ELException: javax.ejb.EJBException: java.lang.IllegalArgumentException: Stack must not be null at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:329) at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:338) at org.jboss.el.parser.AstPropertySuffix.invoke(AstPropertySuffix.java:58) at org.jboss.el.parser.AstValue.invoke(AstValue.java:96) at org.jboss.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276) at org.jboss.seam.core.Expressions$2.invoke(Expressions.java:174) at org.jboss.seam.mock.BaseSeamTest$ComponentTest.invokeMethod(BaseSeamTest.java:130) at com.introspect.scs.testclients.FindClaimTest$1.testComponents(FindClaimTest.java:13) at org.jboss.seam.mock.BaseSeamTest$ComponentTest.run(BaseSeamTest.java:156) at com.introspect.scs.testclients.FindClaimTest.testFindUnregisteredClaims(FindClaimTest.java:10) Caused by: javax.ejb.EJBException: java.lang.IllegalArgumentException: Stack must not be null at org.jboss.ejb3.tx.Ejb3TxPolicy.handleExceptionInOurTx(Ejb3TxPolicy.java:63) at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:83) at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:193) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.stateful.StatefulInstanceInterceptor.invoke(StatefulInstanceInterceptor.java:83) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77) at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:105) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.stateful.StatefulContainer.localInvoke(StatefulContainer.java:204) at org.jboss.ejb3.stateful.StatefulLocalProxy.invoke(StatefulLocalProxy.java:100) at $Proxy67.find(Unknown Source) at org.jboss.seam.util.Reflections.invoke(Reflections.java:21) at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31) at org.jboss.seam.intercept.ClientSideInterceptor$1.proceed(ClientSideInterceptor.java:72) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56) at org.jboss.seam.ejb.RemoveInterceptor.aroundInvoke(RemoveInterceptor.java:41) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:106) at org.jboss.seam.intercept.ClientSideInterceptor.invoke(ClientSideInterceptor.java:50) at org.javassist.tmp.java.lang.Object_$$_javassist_68.find(Object_$$_javassist_68.java) at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:325) ... 31 more Caused by: java.lang.IllegalArgumentException: Stack must not be null at org.jboss.seam.core.ConversationEntry.<init>(ConversationEntry.java:39) at org.jboss.seam.core.ConversationEntries.createConversationEntry(ConversationEntries.java:53) at org.jboss.seam.core.Manager.createConversationEntry(Manager.java:510) at org.jboss.seam.core.Manager.beginConversation(Manager.java:531) at org.jboss.seam.core.ConversationInterceptor.beginConversation(ConversationInterceptor.java:212) at org.jboss.seam.core.ConversationInterceptor.beginConversationIfNecessary(ConversationInterceptor.java:149) at org.jboss.seam.core.ConversationInterceptor.aroundInvoke(ConversationInterceptor.java:55) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:42) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:106) at org.jboss.seam.intercept.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:53) at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118) at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.entity.ExtendedPersistenceContextPropagationInterceptor.invoke(ExtendedPersistenceContextPropagationInterceptor.java:57) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79) ... 65 more
Any pointers?
Thanks
jeff mutonho