"vlokesh" wrote : What configuration are you using for your deployment? default 
or all?  The error says that you dont have antlr.jar in your classpath.  If you 
are deploying the ejb app under all configuration then it will not throw that 
exception.  antlr.jar is used to constructing the queries.
  | 
  | Regards.
  | 
  | Lokesh.

hi,

i am using all but I included antlr-2.7.5.H3.jar and now I get the following 
error. If I can write why not read ?

Exception in thread "main" javax.ejb.EJBException: null; CausedByException is:
        Customer is not mapped. [from Customer c]
        at 
org.jboss.ejb3.tx.Ejb3TxPolicy.handleExceptionInOurTx(Ejb3TxPolicy.java:46)
        at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:70)
        at 
org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:134)
        at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:88)
        at 
org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:61)
        at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:88)
        at 
org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:39)
        at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:88)
        at 
org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:63)
        at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:88)
        at 
org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:91)
        at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:88)
        at 
org.jboss.ejb3.stateless.StatelessContainer.dynamicInvoke(StatelessContainer.java:195)
        at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:107)
        at 
org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:69)
        at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:325)
        at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:201)
        at 
org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:259)
        at 
org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:327)
        at 
org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:147)
org.hibernate.hql.ast.QuerySyntaxException: Customer is not mapped. [from 
Customer c]
        at 
org.hibernate.hql.ast.util.SessionFactoryHelper.requireClassPersister(SessionFactoryHelper.java:145)
        at 
org.hibernate.hql.ast.tree.FromElementFactory.addFromElement(FromElementFactory.java:86)
        at 
org.hibernate.hql.ast.tree.FromClause.addFromElement(FromClause.java:72)
        at 
org.hibernate.hql.ast.HqlSqlWalker.createFromElement(HqlSqlWalker.java:260)
        at 
org.hibernate.hql.antlr.HqlSqlBaseWalker.fromElement(HqlSqlBaseWalker.java:3019)
        at 
org.hibernate.hql.antlr.HqlSqlBaseWalker.fromElementList(HqlSqlBaseWalker.java:2908)
        at 
org.hibernate.hql.antlr.HqlSqlBaseWalker.fromClause(HqlSqlBaseWalker.java:676)
        at 
org.hibernate.hql.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:532)
        at 
org.hibernate.hql.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:269)
        at 
org.hibernate.hql.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:217)
        at 
org.hibernate.hql.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:211)
        at 
org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:153)
        at 
org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:100)
        at 
org.hibernate.impl.SessionFactoryImpl.getQuery(SessionFactoryImpl.java:459)
        at org.hibernate.impl.SessionImpl.getQueries(SessionImpl.java:904)
        at org.hibernate.impl.SessionImpl.list(SessionImpl.java:854)
        at org.hibernate.impl.QueryImpl.list(QueryImpl.java:74)
        at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:41)
        at com.meerkat.jfr.ejb.CustomerBean.getCustomers(CustomerBean.java:38)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:99)
        at 
org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:32)
        at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:88)
        at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:66)
        at 
org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:134)
        at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:88)
        at 
org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:61)
        at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:88)
        at 
org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:39)
        at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:88)
        at 
org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:63)
        at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:88)
        at 
org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:91)
        at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:88)
        at 
org.jboss.ejb3.stateless.StatelessContainer.dynamicInvoke(StatelessContainer.java:195)
        at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:107)
        at 
org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:69)
        at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:325)
        at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:201)
        at 
org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:259)
        at 
org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:327)
        at 
org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:147)
Caused by:  Customer is not mapped.
        ... 45 more


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