Greetings,
I am using Apache Tomcat 7.0.30 on IBM Java 6. I have a @WebServlet
inside a ROOT.war!/WEB-INF/lib/common-servlets.jar which forwards to a
JSP located in common-servlets.jar!/META-INF/resources/some.jsp. When
I reference the path for this @WebServlet Tomcat throws the following
exception:
org.apache.jasper.JasperException: Unable to initialize
TldLocationsCache: org.apache.tomcat.util.scan.StandardJarScanner
cannot be cast to org.apache.tomcat.JarScanner
org.apache.jasper.compiler.TldLocationsCache.init(TldLocationsCache.java:252)
org.apache.jasper.compiler.TldLocationsCache.getLocation(TldLocationsCache.java:205)
org.apache.jasper.JspCompilationContext.getTldLocation(JspCompilationContext.java:607)
org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:409)
org.apache.jasper.compiler.Parser.parseDirective(Parser.java:475)
org.apache.jasper.compiler.Parser.parseElements(Parser.java:1427)
org.apache.jasper.compiler.Parser.parse(Parser.java:138)
org.apache.jasper.compiler.ParserController.doParse(ParserController.java:242)
org.apache.jasper.compiler.ParserController.parse(ParserController.java:102)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:198)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:373)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:353)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:340)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:646)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:357)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at
com.acme.web.MyJspDelegatingServlet.doGet(MyJspDelegatingServlet.java:122)
org.apache.catalina.core.ApplicationDispatcher.invoke
Servlet.service() for servlet org.apache.jasper.servlet.JspServlet
threw exception
java.lang.ClassCastException:
org.apache.tomcat.util.scan.StandardJarScanner incompatible with
org.apache.tomcat.JarScanner
at
org.apache.jasper.compiler.JarScannerFactory.getJarScanner(JarScannerFactory.java:39)
at
org.apache.jasper.compiler.TldLocationsCache.init(TldLocationsCache.java:243)
at
org.apache.jasper.compiler.TldLocationsCache.getLocation(TldLocationsCache.java:205)
at
org.apache.jasper.JspCompilationContext.getTldLocation(JspCompilationContext.java:607)
at
org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:409)
at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:475)
at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1427)
at org.apache.jasper.compiler.Parser.parse(Parser.java:138)
at
org.apache.jasper.compiler.ParserController.doParse(ParserController.java:242)
at
org.apache.jasper.compiler.ParserController.parse(ParserController.java:102)
at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:198)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:373)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:353)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:340)
at
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:646)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:357)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
at
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:412)
at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
at
com.acme.web.MyJspDelegatingServlet.doGet(MyJspDelegatingServlet.java:122)
I thought perhaps I had an old library somewhere, but grep and md5sum
confirms that my deployed Tomcat 7.0.30 has the same libs that Apache
is shipping in the official download. I went back to 7.0.29 and see
the problem there as well. I haven't gone back farther.
Any help on this is appreciated. I make heavy use of modular Servlet
3.0 jar files bundled inside the war file, and so there is a lot of
function missing for my applications..
Thank you,
-Jesse
--
There are 10 types of people in this world, those
that can read binary and those that can not.
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