"Servlet.service()" pour la ser vlet action a généré une exception
java.lang.NullPointerException
at com.WarEngine.action.LoginAction.execute(LoginAction.java:69)
at org.apache.struts.action.RequestProcessor.processActionPerform(Request Processor.java:419)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.jav a:224)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194 )
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appli cationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFi lterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperVa lve.java:214)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValve Context.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java :520)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardC ontextValve.java:198)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextVa lve.java:152)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValve Context.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java :520)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.ja va:137)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValve Context.java:104)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.ja va:118)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValve Context.java:102)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java :520)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValv e.java:109)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValve Context.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java :520)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160 )
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java: 799)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proces sConnection(Http11Protocol.java:705)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java: 577)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPo ol.java:684)
at java.lang.Thread.run(Thread.java:595)
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