Hello,
I am having some difficulty in debugging this problem. I am using the
Forte for Java 4 (Community Edition) IDE, and I have finally begun figuring
out that the error that I have been receiving appears to be a configuration
problem and not necessarily a coding problem.
When I access my JSP I am receiving the following error in the browser:
type Status report
message Servlet jsp is currently unavailable
description The requested service (Servlet jsp is currently unavailable) is
not currently available.
Using some of the debugging tools within Forte I have now discovered that
Tomcat is throwing an error on startup. The following (sorry about the
length) is what I clipped out of the localhost_log file:
2002-08-20 10:58:56 StandardHost[localhost]: Installing web application at
context path /webdav from URL file:C:\Program Files\Apache Tomcat
4.0\webapps\webdav
2002-08-20 10:58:56 WebappLoader[/webdav]: Deploying class repositories to
work directory C:\Program Files\Apache Tomcat
4.0\work\Standalone\localhost\webdav
2002-08-20 10:58:56 StandardManager[/webdav]: Seeding random number
generator class java.security.SecureRandom
2002-08-20 10:58:56 StandardManager[/webdav]: Seeding of random number
generator has been completed
2002-08-20 10:58:56 ContextConfig[/webdav]: Added certificates -> request
attribute Valve
2002-08-20 10:58:56 StandardWrapper[/webdav:default]: Loading container
servlet default
2002-08-20 10:58:56 default: init
2002-08-20 10:58:56 StandardWrapper[/webdav:invoker]: Loading container
servlet invoker
2002-08-20 10:58:56 invoker: init
2002-08-20 10:58:56 StandardWrapper[/webdav:jsp]: Marking servlet jsp as
unavailable
2002-08-20 10:58:56 StandardContext[/webdav]: Servlet /webdav threw load()
exception
javax.servlet.ServletException: Error instantiating servlet class
org.netbeans.modules.tomcat.tomcat40.runtime.IDEJspServlet
at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:895)
at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:810)
at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3279)
at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3421)
at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:785)
at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:478)
at
org.apache.catalina.core.StandardHost.install(StandardHost.java:738)
at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:300)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:389)
at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:232)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:155)
at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1131)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:638)
at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
at
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:343)
at
org.apache.catalina.core.StandardService.start(StandardService.java:388)
at
org.apache.catalina.core.StandardServer.start(StandardServer.java:506)
at org.apache.catalina.startup.Catalina.start(Catalina.java:781)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:681)
at org.apache.catalina.startup.Catalina.process(Catalina.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:243)
----- Root Cause -----
java.lang.NoClassDefFoundError: org/apache/jasper/JasperError
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:1576)
at java.lang.Class.getConstructor0(Class.java:1748)
at java.lang.Class.newInstance0(Class.java:266)
at java.lang.Class.newInstance(Class.java:249)
at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:886)
at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:810)
at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3279)
at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3421)
at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:785)
at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:478)
at
org.apache.catalina.core.StandardHost.install(StandardHost.java:738)
at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:300)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:389)
at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:232)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:155)
at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1131)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:638)
at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
at
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:343)
at
org.apache.catalina.core.StandardService.start(StandardService.java:388)
at
org.apache.catalina.core.StandardServer.start(StandardServer.java:506)
at org.apache.catalina.startup.Catalina.start(Catalina.java:781)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:681)
at org.apache.catalina.startup.Catalina.process(Catalina.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:243)
---------------------------------------------------------------------------------------------------------------------------------------------------------------------
Any help that you can provide will be greatly appreciated.
Thanks,
Jim Webb
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