I have tried ex07_3 and i have gotten this error:

First step ant works:
ex07_3>ant

Second step don't work:
ex07_3>ant run.initialize

Buildfile: build.xml

prepare:

compile:

ejbjar:

run.initialize:
[java] Exception in thread "main" javax.ejb.EJBException: java.lang.RuntimeException: java.lang.NoSuchMethodError: com.titan.domain.Cabin.setShip(Lcom/titan/domain/Ship;)V
[java] at org.jboss.ejb3.tx.Ejb3TxPolicy.handleExceptionInOurTx(Ejb3TxPolicy.java:69)
[java] at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:83)
[java] at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:197)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)
[java] at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:131)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:47)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.stateless.StatelessContainer.dynamicInvoke(StatelessContainer.java:263)
[java] at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:106)
[java] at org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:82)
[java] at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:828)
[java] at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:681)
[java] at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:358)
[java] at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:398)
[java] at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:239)
[java] Caused by: java.lang.RuntimeException: java.lang.NoSuchMethodError: com.titan.domain.Cabin.setShip(Lcom/titan/domain/Ship;)V
[java] at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:174)
[java] at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79)
[java] at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:197)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)
[java] at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:131)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:47)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.stateless.StatelessContainer.dynamicInvoke(StatelessContainer.java:263)
[java] at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:106)
[java] at org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:82)
[java] at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:828)
[java] at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:681)
[java] at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:358)
[java] at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:398)
[java] at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:239)
[java] at org.jboss.remoting.RemoteClientInvoker.invoke(RemoteClientInvoker.java:190)
[java] at org.jboss.remoting.Client.invoke(Client.java:525)
[java] at org.jboss.remoting.Client.invoke(Client.java:488)
[java] at org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke(InvokeRemoteInterceptor.java:61)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.aspects.tx.ClientTxPropagationInterceptor.invoke(ClientTxPropagationInterceptor.java:61)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.aspects.security.SecurityClientInterceptor.invoke(SecurityClientInterceptor.java:55)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:77)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.stateless.StatelessRemoteProxy.invoke(StatelessRemoteProxy.java:102)
[java] at $Proxy0.initializeDatabase(Unknown Source)
[java] at com.titan.clients.Initializedb.main(Initializedb.java:23)
[java] at org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke(InvokeRemoteInterceptor.java:73)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.aspects.tx.ClientTxPropagationInterceptor.invoke(ClientTxPropagationInterceptor.java:61)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.aspects.security.SecurityClientInterceptor.invoke(SecurityClientInterceptor.java:55)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:77)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.stateless.StatelessRemoteProxy.invoke(StatelessRemoteProxy.java:102)
[java] at $Proxy0.initializeDatabase(Unknown Source)
[java] at com.titan.clients.Initializedb.main(Initializedb.java:23)
[java] Caused by: java.lang.NoSuchMethodError: com.titan.domain.Cabin.setShip(Lcom/titan/domain/Ship;)V
[java] at com.titan.access.DataAccessBean.initializeDatabase(DataAccessBean.java:129)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
[java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
[java] at java.lang.reflect.Method.invoke(Method.java:585)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
[java] at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
[java] at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79)
[java] at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:197)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)
[java] at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:131)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:47)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
[java] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
[java] at org.jboss.ejb3.stateless.StatelessContainer.dynamicInvoke(StatelessContainer.java:263)
[java] at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:106)
[java] at org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:82)
[java] at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:828)
[java] at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:681)
[java] at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:358)
[java] at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:398)
[java] at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:239)

BUILD SUCCESSFUL
Total time: 2 seconds


Can anybody help me?
Thanks in advance!