[JBoss-user] Please help me! Transaction problem

[Gene Ge]

Someone please help me, I have asked this question many times and still not get any answer yet! I also searched in archives but get no answer.
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11:43:14,093 ERROR [LogInterceptor] EJBException:
javax.ejb.EJBException: Application Error: tried to enter Stateful bean with different transaction context
at org.jboss.ejb.plugins.StatefulSessionInstanceInterceptor.invoke(StatefulSessionInstanceInterceptor.ja
at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:107)
at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:178)
at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:60)
at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:203)
at org.jboss.ejb.StatefulSessionContainer.invoke(StatefulSessionContainer.java:380)
at org.jboss.ejb.plugins.local.BaseLocalContainerInvoker.invoke(BaseLocalContainerInvoker.java:301)
at org.jboss.ejb.plugins.local.StatefulSessionProxy.invoke(StatefulSessionProxy.java:41)
at $Proxy270.setStudentData(Unknown Source)
at com.bit.job.actions.EditStudentInfoAction.execute(EditStudentInfoAction.java:97)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:437)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:264)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1115)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:476)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:366)
at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:284)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:577)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1674)
at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:544)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1624)
at org.mortbay.http.HttpServer.service(HttpServer.java:875)
at org.jboss.jetty.Jetty.service(Jetty.java:541)
at org.mortbay.http.HttpConnection.service(HttpConnection.java:785)
at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:935)
at org.mortbay.http.HttpConnection.handle(HttpConnection.java:802)
at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:200)
at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:294)
at org.mortbay.util.ThreadPool$JobRunner.run(ThreadPool.java:743)
at java.lang.Thread.run(Thread.java:536)
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Who can tell me how to deal with this?
If I retry to invoke the method for some times, the method could execute successfully.
So??????????????????????????????

thanks for any help

Gene

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