Thanks David,
1. Yup, tomcat has permission to read the folder and xalan.jar
2. xalan.jar is in the WEB-INF/lib folder.
3. I think the exception is thrown by a JSP
page,ChooseContinentFromXML_jsp . I've put the stack trace below.
What else could be affecting it?
ERROR 2006-09-25 14:14:08,930
org.apache.catalina.core.ApplicationDispatcher [http-4001-Processor25]:
Servlet.service() for servlet jsp threw exception
java.lang.NoClassDefFoundError: org/apache/xpath/XPathException
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at
org.apache.taglibs.standard.tag.common.xml.ForEachTag.prepare(ForEachTag.java:49)
at
javax.servlet.jsp.jstl.core.LoopTagSupport.doStartTag(LoopTagSupport.java:227)
at
org.apache.jsp.tiles.selects.ChooseContinentFromXML_jsp._jspx_meth_x_forEach_0(ChooseContinentFromXML_jsp.java:265)
at
org.apache.jsp.tiles.selects.ChooseContinentFromXML_jsp._jspService(ChooseContinentFromXML_jsp.java:189)
at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
at
org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966)
at
org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:614)
at
org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java:99)
at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:135)
at
org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java:760)
at
org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(InsertTag.java:892)
at
org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:462)
at
org.apache.jsp.layouts.mapLayout_jsp._jspx_meth_tiles_insert_1(mapLayout_jsp.java:554)
at
org.apache.jsp.layouts.mapLayout_jsp._jspService(mapLayout_jsp.java:156)
at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
at
org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966)
at
org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:614)
at
org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java:99)
at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:135)
at
org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java:760)
at
org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(InsertTag.java:892)
at
org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:462)
at
org.apache.jsp.index_jsp._jspx_meth_tiles_insert_0(index_jsp.java:99)
at org.apache.jsp.index_jsp._jspService(index_jsp.java:62)
at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:541)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)
David Smith wrote:
Some initial thoughts:
1. Check folder permissions and be sure tomcat has read access on the
WEB-INF/lib folder.
2. Be sure the jar file containing XPathException (xalan.jar) is
really in WEB-INF/lib, common/lib, or shared/lib. The location will
depend on the class attempting to throw a XPathException (see next item).
3. A class instance loaded from the common class loader or shared
class loader won't be able to see the classes in your local webapp.
If the class that needs it is in common/* or shared/*, then the jar
containing the exception should be in the same place.
It may be a common problem, but the solutions are usually fairly
simple -- verify where XPathException is and that tomcat has access to
it.
--David
Barclay Curtis wrote:
Hi,
I am a tomcat newbie, and have the task of setting up a development
environment in Tomcat.
I have a site which is up and running on the live server, but I can't
get it to work in the development environment.
I have the latest version, Apache Tomcat 5.5.17, and have set it up
to use /home/myUser/myWebapps/ as the webapps dir.
It seems to be working as it displays a small amount of the site.
However it is dying part way through of NoClassDefFoundError:
org/apache/xpath/XPathException.
The correct classes are all there in the WEB-INF/lib folder, and it
is using them with no problem on the live server.
Does anyone know why it won't find the libraries?
I've been searching around, and its quite a common problem, but none
of the solutions I've found work for me.
Thanks
Barclay
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