Bonjour à tous,

Je travaille sur la maintenance et l'évolution d'une application Struts que je tente actuellement d'installer. Mais lors de l'accès à la home de l'application, j'obtiens l'erreur suivante:

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31 mars 2009 10:18:04 org.apache.jasper.runtime.JspFactoryImpl internalGetPageContext
GRAVE: Exception initializing page context
java.lang.VerifyError: (class: org/apache/jasper/runtime/PageContextImpl, method: getExpressionEvaluator signature: ()Ljavax/servlet/jsp/el/ExpressionEvaluator;) Wrong return type in function
	at org.apache.jasper.runtime.JspFactoryImpl.internalGetPageContext(JspFactoryImpl.java:99)
	at org.apache.jasper.runtime.JspFactoryImpl.getPageContext(JspFactoryImpl.java:61)
	at org.apache.jsp.loginRedirect_jsp._jspService(org.apache.jsp.loginRedirect_jsp:33)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
	at org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthenticator.java:238)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:446)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
	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:856)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
	at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
	at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
	at java.lang.Thread.run(Thread.java:595)
Le serveur Tomcat s'est précedemment lancé sans erreur, mais le chargement me parait léger (1800 ms). Quelqu'un aurait une explication?

Merci à tous