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From "Joseph Morgan" <joseph.mor...@ignitesales.com>
Subject RE: jsp compilation fails depending on how WEB-INF classes are build
Date Mon, 08 Feb 2010 13:53:41 GMT
Fabian,

This looks almost certainly like you are compiling with two different versions of the JDK.
 Spit out the version from the OS and compare that to the version set for Eclipse and Ant.

Joe

-----Original Message-----
From: Fabian Panthen [mailto:fpa@unitb-consulting.de] 
Sent: Monday, February 08, 2010 7:30 AM
To: users@tomcat.apache.org
Subject: jsp compilation fails depending on how WEB-INF classes are build

Hello,

not sure whether here is the right place to post, but i give it a shot...

I have a webapp with JSP's using some classes from WEB-INF/classes in a 
declaration block (<%!%>),
running in tomcat 6 on jdk1.6.0_14.

The problem is such,

if I compile the classes in WEB-INF/classes using eclipse Galileo 
everything runs fine.
But if I compile those same classes using ANT, jsp comilation in tomcat 
fails with the following stack trace:

org.eclipse.jdt.internal.compiler.classfmt.ClassFormatException
      at 
org.eclipse.jdt.internal.compiler.classfmt.ClassFileReader.<init>(ClassFileReader.java:342)


      at 
org.apache.jasper.compiler.JDTCompiler$1.findType(JDTCompiler.java:206)
      at 
org.apache.jasper.compiler.JDTCompiler$1.findType(JDTCompiler.java:178)
      at 
org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.askForType(LookupEnvironment.java:122)


      at 
org.eclipse.jdt.internal.compiler.lookup.PackageBinding.getTypeOrPackage(PackageBinding.java:178)


      at 
org.eclipse.jdt.internal.compiler.lookup.Scope.getPackage(Scope.java:2101)
      at 
org.eclipse.jdt.internal.compiler.ast.QualifiedTypeReference.getTypeBinding(QualifiedTypeReference.java:69)


      at 
org.eclipse.jdt.internal.compiler.ast.TypeReference.resolveType(TypeReference.java:134) 

      at 
org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding.resolveTypeFor(SourceTypeBinding.java:1273)


      at 
org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding.fields(SourceTypeBinding.java:604)


      at 
org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding.faultInTypesForFieldsAndMethods(SourceTypeBinding.java:582)


      at 
org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope.faultInTypes(CompilationUnitScope.java:431)


      at 
org.eclipse.jdt.internal.compiler.Compiler.process(Compiler.java:616)
      at 
org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:392)
      at 
org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:429)
      at org.apache.jasper.compiler.Compiler.compile(Compiler.java:334)
      at org.apache.jasper.compiler.Compiler.compile(Compiler.java:312)
      at org.apache.jasper.compiler.Compiler.compile(Compiler.java:299)
      at 
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:589) 

      at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317) 

      at 
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
      at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
      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.core.StandardHostValve.invoke(StandardHostValve.java:127) 

      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:298)
      at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
      at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)


      at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
      at java.lang.Thread.run(Thread.java:619)

This happens as well under tomcat 5.5.
Changing the ANT build to use the same JDT compiler as eclipse did not 
change the problem.
Using javap I checked both compiled versions of the classes and they do 
have the same major version.

Any hint towards what might be the problem here is greatly appreciated.

Thanks a lot,

fabian

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