topic [activiti 6.0]javax.el.ELContext conflict in Alfresco Forum https://connect.hyland.com/t5/alfresco-forum/activiti-6-0-javax-el-elcontext-conflict/m-p/7744#M3524 <HTML><HEAD></HEAD><BODY><P><SPAN style="color: #24292e; background-color: #ffffff;">in activiti 6.0,juel-api.jar/javax/el/ is conflict with org.mortbay.jasper.apache-el-8.5.9.1.jar/javax/el when use jetty server.</SPAN></P><P><SPAN style="color: #24292e; background-color: #ffffff;">There is no error&nbsp;with&nbsp;6.0<SPAN>&nbsp;</SPAN>when use tomcat server&nbsp;.</SPAN></P><P><SPAN style="color: #24292e; background-color: #ffffff;">There is no error&nbsp;with 5.0.22 <SPAN>when use</SPAN>&nbsp;<SPAN>tomcat server or jetty server</SPAN>.</SPAN></P><P><SPAN style="color: #24292e; background-color: #ffffff;">how to fix it?</SPAN></P><P><SPAN style="color: #24292e; background-color: #ffffff;">Thanks!!!</SPAN></P><P></P><P><SPAN style="color: #24292e; background-color: #ffffff;">javax.servlet.ServletException: javax.servlet.ServletException: java.lang.ExceptionInInitializerError<BR /> at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)<BR /> at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)<BR /> at org.eclipse.jetty.server.Server.handle(Server.java:564)<BR /> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:317)<BR /> at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)<BR /> at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)<BR /> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:110)<BR /> at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)<BR /> at org.eclipse.jetty.util.thread.Invocable.invokePreferred(Invocable.java:128)<BR /> at org.eclipse.jetty.util.thread.Invocable$InvocableExecutor.invoke(Invocable.java:222)<BR /> at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:294)<BR /> at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:126)<BR /> at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:673)<BR /> at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:591)<BR /> at java.lang.Thread.run(Thread.java:745)<BR />Caused by: javax.servlet.ServletException: java.lang.ExceptionInInitializerError<BR /> at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:338)<BR /> at org.eclipse.jetty.jsp.JettyJspServlet.service(JettyJspServlet.java:112)<BR /> at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)<BR /> at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:841)<BR /> at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:535)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)<BR /> at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:566)<BR /> at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:190)<BR /> at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)<BR /> at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)<BR /> at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)<BR /> at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)<BR /> at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)<BR /> at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:203)<BR /> at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:73)<BR /> at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:168)<BR /> at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)<BR /> at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1257)<BR /> at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1037)<BR /> at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:980)<BR /> at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)<BR /> at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)<BR /> at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)<BR /> at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)<BR /> at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)<BR /> at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)<BR /> at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:841)<BR /> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1650)<BR /> at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:206)<BR /> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)<BR /> at com.opensymphony.sitemesh.webapp.SiteMeshFilter.obtainContent(SiteMeshFilter.java:129)<BR /> at com.opensymphony.sitemesh.webapp.SiteMeshFilter.doFilter(SiteMeshFilter.java:77)<BR /> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)<BR /> at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)<BR /> at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)<BR /> at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)<BR /> at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)<BR /> at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)<BR /> at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)<BR /> at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)<BR /> at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)<BR /> at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)<BR /> at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:387)<BR /> at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)<BR /> at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)<BR /> at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)<BR /> at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)<BR /> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)<BR /> at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)<BR /> at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)<BR /> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1629)<BR /> at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)<BR /> at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)<BR /> at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:190)<BR /> at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)<BR /> at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)<BR /> at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)<BR /> at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)<BR /> at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)<BR /> at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:219)<BR /> at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)<BR /> ... 14 more<BR />Caused by: java.lang.ExceptionInInitializerError<BR /> at org.apache.jasper.compiler.Validator$ValidateVisitor.getJspAttribute(Validator.java:1414)<BR /> at org.apache.jasper.compiler.Validator$ValidateVisitor.checkXmlAttributes(Validator.java:1231)<BR /> at org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:879)<BR /> at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1545)<BR /> at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2392)<BR /> at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2444)<BR /> at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2450)<BR /> at org.apache.jasper.compiler.Node$Root.accept(Node.java:471)<BR /> at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2392)<BR /> at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2444)<BR /> at org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:537)<BR /> at org.apache.jasper.compiler.Node$IncludeDirective.accept(Node.java:644)<BR /> at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2392)<BR /> at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2444)<BR /> at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2450)<BR /> at org.apache.jasper.compiler.Node$Root.accept(Node.java:471)<BR /> at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2392)<BR /> at org.apache.jasper.compiler.Validator.validateExDirectives(Validator.java:1853)<BR /> at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:219)<BR /> at org.apache.jasper.compiler.Compiler.compile(Compiler.java:372)<BR /> at org.apache.jasper.compiler.Compiler.compile(Compiler.java:349)<BR /> at org.apache.jasper.compiler.Compiler.compile(Compiler.java:333)<BR /> at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:600)<BR /> at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:368)<BR /> at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)<BR /> at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)<BR /> ... 85 more<BR />Caused by: java.lang.NullPointerException<BR /> at java.util.Objects.requireNonNull(Objects.java:203)<BR /> at javax.el.CompositeELResolver.add(CompositeELResolver.java:47)<BR /> at org.apache.jasper.el.ELContextImpl.&lt;clinit&gt;(ELContextImpl.java:87)<BR /> ... 111 more<BR />2017-08-04 14:04:50,728 DEBUG [modules.sys.dao.MenuDao.findAllList] - &lt;== Total: 893<BR />[WARNING] EXCEPTION <BR />javax.servlet.ServletException: java.lang.NoClassDefFoundError: Could not initialize class org.apache.jasper.el.ELContextImpl<BR /> at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:338)<BR /> at org.eclipse.jetty.jsp.JettyJspServlet.service(JettyJspServlet.java:112)<BR /> at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)<BR /> at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:833)<BR /> at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:535)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)<BR /> at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:566)<BR /> at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:190)<BR /> at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)<BR /> at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)<BR /> at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)<BR /> at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)<BR /> at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)<BR /> at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:203)<BR /> at org.eclipse.jetty.server.Dispatcher.error(Dispatcher.java:81)<BR /> at org.eclipse.jetty.server.handler.ErrorHandler.doError(ErrorHandler.java:119)<BR /> at org.eclipse.jetty.server.handler.ErrorHandler.handle(ErrorHandler.java:78)<BR /> at org.eclipse.jetty.server.Response.sendError(Response.java:655)<BR /> at org.eclipse.jetty.server.handler.AbstractHandler.doError(AbstractHandler.java:100)<BR /> at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1247)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)<BR /> at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)<BR /> at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)<BR /> at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)<BR /> at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)<BR /> at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:219)<BR /> at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)<BR /> at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)<BR /> at org.eclipse.jetty.server.Server.handle(Server.java:564)<BR /> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:358)<BR /> at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)<BR /> at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)<BR /> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:110)<BR /> at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)<BR /> at org.eclipse.jetty.util.thread.Invocable.invokePreferred(Invocable.java:128)<BR /> at org.eclipse.jetty.util.thread.Invocable$InvocableExecutor.invoke(Invocable.java:222)<BR /> at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:294)<BR /> at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:126)<BR /> at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:673)<BR /> at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:591)<BR /> at java.lang.Thread.run(Thread.java:745)<BR />Caused by: java.lang.NoClassDefFoundError: Could not initialize class org.apache.jasper.el.ELContextImpl<BR /> at org.apache.jasper.compiler.Validator$ValidateVisitor.getJspAttribute(Validator.java:1414)<BR /> at org.apache.jasper.compiler.Validator$ValidateVisitor.checkXmlAttributes(Validator.java:1231)<BR /> at org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:879)<BR /> at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1545)<BR /> at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2392)<BR /> at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2444)<BR /> at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2450)<BR /> at org.apache.jasper.compiler.Node$Root.accept(Node.java:471)<BR /> at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2392)<BR /> at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2444)<BR /> at org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:537)<BR /> at org.apache.jasper.compiler.Node$IncludeDirective.accept(Node.java:644)<BR /> at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2392)<BR /> at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2444)<BR /> at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2450)<BR /> at org.apache.jasper.compiler.Node$Root.accept(Node.java:471)<BR /> at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2392)<BR /> at org.apache.jasper.compiler.Validator.validateExDirectives(Validator.java:1853)<BR /> at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:219)<BR /> at org.apache.jasper.compiler.Compiler.compile(Compiler.java:372)<BR /> at org.apache.jasper.compiler.Compiler.compile(Compiler.java:349)<BR /> at org.apache.jasper.compiler.Compiler.compile(Compiler.java:333)<BR /> at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:600)<BR /> at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:368)<BR /> at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)<BR /> at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)<BR /> ... 46 more</SPAN></P></BODY></HTML> Fri, 04 Aug 2017 05:56:35 GMT topud 2017-08-04T05:56:35Z [activiti 6.0]javax.el.ELContext conflict https://connect.hyland.com/t5/alfresco-forum/activiti-6-0-javax-el-elcontext-conflict/m-p/7744#M3524 in activiti 6.0,juel-api.jar/javax/el/ is conflict with org.mortbay.jasper.apache-el-8.5.9.1.jar/javax/el when use jetty server.There is no error&nbsp;with&nbsp;6.0&nbsp;when use tomcat server&nbsp;.There is no error&nbsp;with 5.0.22 when use&nbsp;tomcat server or jetty server.how to fix it?Thanks!!!javax.servlet.ServletExceptio Fri, 04 Aug 2017 05:56:35 GMT https://connect.hyland.com/t5/alfresco-forum/activiti-6-0-javax-el-elcontext-conflict/m-p/7744#M3524 topud 2017-08-04T05:56:35Z Re: [activiti 6.0]javax.el.ELContext conflict https://connect.hyland.com/t5/alfresco-forum/activiti-6-0-javax-el-elcontext-conflict/m-p/7745#M3525 <HTML><HEAD></HEAD><BODY><P>I'm sorry for the late response.</P><P>This issue is the bug reproduce in <SPAN>only&nbsp;</SPAN><SPAN style="color: #24292e; background-color: #ffffff;">6.x and later versions.</SPAN></P><P><A class="link-titled" href="https://github.com/Activiti/Activiti/issues/1685" title="https://github.com/Activiti/Activiti/issues/1685" rel="nofollow noopener noreferrer">JSP: Cannot use el expression(EL library conflicting issue) · Issue #1685 · Activiti/Activiti · GitHub</A>&nbsp;</P><P></P><P>If you exclude <SPAN>juel-api-2.2.7.jar and&nbsp;</SPAN><SPAN>juel-spi-2.2.7.jar</SPAN>, you can avoid the bug.</P><P>However, perhaps part of the EL expression at process execution may not work.</P></BODY></HTML> Sat, 20 Jan 2018 23:20:46 GMT https://connect.hyland.com/t5/alfresco-forum/activiti-6-0-javax-el-elcontext-conflict/m-p/7745#M3525 Anonymous 2018-01-20T23:20:46Z