[jbpm-issues] [JBoss JIRA] Commented: (JBPM-2345) javax/el/ExpressionFactory Linkage error

javax/el/ExpressionFactory Linkage error ----------------------------------------- Key: JBPM-2345 URL: https://jira.jboss.org/jira/browse/JBPM-2345 Project: jBPM Issue Type: Bug Security Level: Public(Everyone can see) Environment: Leopard 10.5,Tomcat6, Spring 2.5 Reporter: Tom Vleminckx I'm having the following error when trying to integrate JBPM4 with spring. This is a runtime error when trying to deploy to tomcat. ----------------- SEVERE: Exception sending context initialized event to listener instance of class com.sun.faces.config.ConfigureListener java.lang.LinkageError: loader constraint violation: when resolving interfacemethod "javax.servlet.jsp.JspApplicationContext.getExpressionFactory()Ljavax/el/ExressionFactory;" the class loader (instance of org/apache/catalina/loader/WebappClassLoader) of the current class, com/sun/faces/config/ConfgureListener, and the class loader (instance of org/apache/catalina/loader/StandardClassLoader) for resolved class, javax/servlet/jsp/JspApplicatonContext, have different Class objects for the type javax/el/ExpressionFactory used in the signature at com.sun.faces.config.ConfigureListener.registerELResolverAndListenerWithJsp(ConfigureListener.java:1570) at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:403) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3934) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4429) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526) at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:850) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:518) at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1288) 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.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:297) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(Unknown Source) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(Unknown Source) at org.apache.catalina.manager.ManagerServlet.check(ManagerServlet.java:1473) at org.apache.catalina.manager.HTMLManagerServlet.doPost(HTMLManagerServlet.java:250) at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) at java.lang.Thread.run(Unknown Source) ... -------------------