[jboss-user] [Beginners Corner] - problem publishing App in Eclipse

jjanga do-not-reply at jboss.com
Mon Jan 8 22:00:03 EST 2007 

hi~! 

I'm trying to develop small Ejb app using using jboss recently. 

Eclipse 3.1.2 

jboss 4.0.5 

Ejb 2.0 

The App is working well right after starting the jboss and modifying App 

and publish it once in eclipse. 

However the problem( Exception below) happens when I publish App twice 

and more. And if I restart the server, it works well but publishing more 

than twice it throw the same Exception. 

I'm very new to start develope Ejb in jboss so I'm not sure whether it 

caused by jboss setting or IDE. 

Could anyone save me from this error? 

Exception : 

-01-09 10:33:39,370 ERROR [org.jboss.ejb.plugins.LogInterceptor] EJBException in method: public abstract com.dy.scm.um.UserInfo com.dy.scm.um.UserManagementLocal.getUserInfo(java.lang.String) throws javax.ejb.EJBException, causedBy: 
java.lang.ClassCastException 
at com.dy.scm.um.UserManagementBean.getUserInfo(UserManagementBean.java:76) 
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.invocation.Invocation.performCall(Invocation.java:359) 
at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:237) 
at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:158) 
at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:169) 
at org.jboss.ejb.plugins.CallValidationInterceptor.invoke(CallValidationInterceptor.java:63) 
at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:121) 
at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:350) 
at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:181) 
at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:168) 
at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:205) 
at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:136) 
at org.jboss.ejb.SessionContainer.internalInvoke(SessionContainer.java:648) 
at org.jboss.ejb.Container.invoke(Container.java:954) 
at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:430) 
at org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSessionProxy.java:103) 
at $Proxy109.getUserInfo(Unknown Source) 
at com.dy.scm.web.um.UserManagementServlet.onGetUserInfo(UserManagementServlet.java:92) 
at com.dy.scm.web.um.UserManagementServlet.doPost(UserManagementServlet.java:63) 
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) 
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) 
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) 
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) 
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) 
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) 
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) 
at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:153) 
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) 
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) 
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) 
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) 
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) 
at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) 
at java.lang.Thread.run(Unknown Source) 
2007-01-09 10:33:39,380 ERROR [STDERR] javax.ejb.EJBException: Error : 
2007-01-09 10:33:39,380 ERROR [STDERR] at com.dy.scm.um.UserManagementBean.getUserInfo(UserManagementBean.java:103) 
2007-01-09 10:33:39,380 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
2007-01-09 10:33:39,380 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) 
2007-01-09 10:33:39,380 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 
2007-01-09 10:33:39,380 ERROR [STDERR] at java.lang.reflect.Method.invoke(Unknown Source) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.invocation.Invocation.performCall(Invocation.java:359) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:237) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:158) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:169) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.ejb.plugins.CallValidationInterceptor.invoke(CallValidationInterceptor.java:63) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:121) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:350) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:181) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:168) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:205) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:136) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.ejb.SessionContainer.internalInvoke(SessionContainer.java:648) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.ejb.Container.invoke(Container.java:954) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:430) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSessionProxy.java:103) 
2007-01-09 10:33:39,380 ERROR [STDERR] at $Proxy109.getUserInfo(Unknown Source) 
2007-01-09 10:33:39,380 ERROR [STDERR] at com.dy.scm.web.um.UserManagementServlet.onGetUserInfo(UserManagementServlet.java:92) 
2007-01-09 10:33:39,380 ERROR [STDERR] at com.dy.scm.web.um.UserManagementServlet.doPost(UserManagementServlet.java:63) 
2007-01-09 10:33:39,380 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) 
2007-01-09 10:33:39,380 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:153) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) 
2007-01-09 10:33:39,380 ERROR [STDERR] at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) 
2007-01-09 10:33:39,380 ERROR [STDERR] at java.lang.Thread.run(Unknown Source) 
2007-01-09 10:33:39,390 ERROR [STDERR] Caused by: java.lang.ClassCastException 
2007-01-09 10:33:39,390 ERROR [STDERR] at com.dy.scm.um.UserManagementBean.getUserInfo(UserManagementBean.java:76) 
2007-01-09 10:33:39,390 ERROR [STDERR] ... 43 more 

thank you for your help...

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