Tomcat 6 conflict between apache JSTL libs and glassfish appserv-rt.jar

[Joseph dela Peña <ma...@gmail.com>]

Hi,

I've started using JSTL tags in my JSP. All was good until i needed to
call a remote EJB from a servlet, store the object to a session, and
redirect to a JSP page to display the content of the remote object.
We'll just to clear things, i am able to do this properly using JSP
expressions <%=myVar%>. And i am able to use <c:out value="${myVar}"
/>

on a project which does not have appserv-rt.jar inside it's lib
directory. I'm getting a java.lang.NoSuchMethodError:
javax.el.ExpressionFactory.newInstance()Ljavax/el/ExpressionFactory;
when i add appserv-rt.jar in my lib. I'm using Tomcat 6.0.18 as my web
server and glassfish as my app server. Below is the complete stack
trace from tomcat:

SEVERE: Servlet.service() for servlet jsp threw exception
java.lang.NoSuchMethodError:
javax.el.ExpressionFactory.newInstance()Ljavax/el/ExpressionFactory;
at org.apache.jasper.compiler.JspUtil.getExpressionFactory(JspUtil.java:1166)
at org.apache.jasper.compiler.JspUtil.validateExpressions(JspUtil.java:628)
at org.apache.jasper.compiler.Validator$ValidateVisitor.getJspAttribute(Validator.java:1341)
at org.apache.jasper.compiler.Validator$ValidateVisitor.checkXmlAttributes(Validator.java:1117)
at org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:834)
at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1482)
at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2257)
at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2307)
at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2313)
at org.apache.jasper.compiler.Node$Root.accept(Node.java:481)
at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2257)
at org.apache.jasper.compiler.Validator.validate(Validator.java:1837)
at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:195)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:409)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:592)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:344)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:470)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:364)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
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.ApplicationDispatcher.invoke(ApplicationDispatcher.java:630)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
at gogogo.MyServlet.doPost(MyServlet.java:88)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
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:175)
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:286)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:619)

This has been driving me nuts for days... any help would be deeply appreciated.

thanks

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RE: Tomcat 6 conflict between apache JSTL libs and glassfish appserv-rt.jar

["Caldarale, Charles R" <Ch...@unisys.com>]

> From: Joseph dela Peña [mailto:masterkurei99@gmail.com]
> Subject: Tomcat 6 conflict between apache JSTL libs and glassfish
> appserv-rt.jar
> 
> I'm getting a java.lang.NoSuchMethodError:
> javax.el.ExpressionFactory.newInstance()Ljavax/el/ExpressionFactory;
> when i add appserv-rt.jar in my lib.

You must not put appserv-rt.jar anywhere that can be seen by Tomcat; many of the classes therein conflict with those Tomcat supplies.  You'll need to find the packages you're missing and use the jars that contain just those, rather than the extremely annoying and unfriendly all-the-eggs-in-one-basket approach that Sun used with appserv-rt.jar.

 - Chuck


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