even though we don't support Tomcat 6.0 yet, just logging this for discussion.

noted in the forum: http://www.icefaces.org/JForum/posts/list/3145.page

starts with incompatiblity with new el-impl: " java.lang.LinkageError: loader
constraints violated when linking javax/el/ExpressionFactory class"

replacing el-api.jar + jasper-el.jar in Tomcat lib gets one step further but
still run into jdt-compiler problems:

java.lang.NoSuchMethodError:
org.eclipse.jdt.internal.compiler.CompilationResult.getProblems()[Lorg/eclipse/jdt/core/compiler/IProblem;
at org.apache.jasper.compiler.JDTCompiler$2.acceptResult(JDTCompiler.java:329)
at
org.eclipse.jdt.internal.compiler.Compiler.handleInternalException(Compiler.java:501)
at org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:430)
at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:387)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:288)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:267)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:255)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:556)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:293)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:228)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:212)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:818)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:624)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
at java.lang.Thread.run(Thread.java:595)