struts-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Oliver Adolph <Oliver.Ado...@intercard.de>
Subject AW: Problems with Eclipse and Struts
Date Tue, 24 Dec 2002 09:33:35 GMT
Hi Howard,

But how do you debug your application ?

Oliver Adolph 

-----Urspr√ľngliche Nachricht-----
Von: Howard Miller [mailto:me@howardmiller.co.uk] 
Gesendet: Dienstag, 24. Dezember 2002 10:30
An: Struts Users Mailing List
Betreff: Re: Problems with Eclipse and Struts


Hi,

I use much the same set up as you and had lots of problems with those
plugins. 
Personally I don't use them, I find it *much* easier just to keep a
terminal/dos window 
open and use Ant to build and test the application. The Ant build script
that is 
described in the Tomcat documentation (although it has a couple of
mistakes!), gets 
the job done.

I take the attitude that I always want to be able to modify and build my
applications 
from the command line if I'm stuck and can't use the IDE.

HM

On 24 Dec 2002 at 10:10, Oliver Adolph wrote:

> Hi,
> 
> I hope anybody can help me with this issue.
> I have a web application, which runs under Tomcat 4.1.18. It uses Struts
> 1.1B2. I also use Eclipse 2.0.2 with the Lomboz and the Sysdeo plugins.
> 
> Now I run into the following problem:
> When I try to start Tomcat through one of the plugins to debug the 
> application I always get the following error
> 
> 24.12.2002 09:57:38 org.apache.commons.digester.Digester startElement
> SCHWERWIEGEND: Begin event threw exception
> java.lang.ClassNotFoundException: org.apache.catalina.core.StandardServer
> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:198)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at java.net.URLClassLoader.findClass(URLClassLoader.java:186)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:299)
> 	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:265)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:255)
> 	at 
> org.apache.commons.digester.ObjectCreateRule.begin(ObjectCreateRule.ja
> va:252
> )
> 	at
> org.apache.commons.digester.Digester.startElement(Digester.java:1237)
> 	at
>
org.apache.xerces.parsers.AbstractSAXParser.startElement(AbstractSAXParser.j
> ava:459)
> 	at
>
org.apache.xerces.impl.XMLNamespaceBinder.startElement(XMLNamespaceBinder.ja
> va:572)
> 	at
>
org.apache.xerces.impl.dtd.XMLDTDValidator.startElement(XMLDTDValidator.java
> :727)
> 	at
>
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDo
> cumentFragmentScannerImpl.java:759)
> 	at
>
org.apache.xerces.impl.XMLDocumentScannerImpl$ContentDispatcher.scanRootElem
> entHook(XMLDocumentScannerImpl.java:957)
> 	at
>
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatc
> her.dispatch(XMLDocumentFragmentScannerImpl.java:1544)
> 	at
>
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocume
> ntFragmentScannerImpl.java:329)
> 	at
>
org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:525)
> 	at
>
org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:581)
> 	at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:152)
> 	at
>
org.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:117
> 5)
> 	at org.apache.commons.digester.Digester.parse(Digester.java:1495)
> 	at org.apache.catalina.startup.Catalina.start(Catalina.java:449)
> 	at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
> 	at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
> 	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:203)
> Catalina.start: java.lang.ClassNotFoundException:
> org.apache.catalina.core.StandardServer
> java.lang.ClassNotFoundException: org.apache.catalina.core.StandardServer
> 	at
>
org.apache.commons.digester.Digester.createSAXException(Digester.java:2312)
> 	at
>
org.apache.commons.digester.Digester.createSAXException(Digester.java:2332)
> 	at
> org.apache.commons.digester.Digester.startElement(Digester.java:1240)
> 	at
>
org.apache.xerces.parsers.AbstractSAXParser.startElement(AbstractSAXParser.j
> ava:459)
> 	at
>
org.apache.xerces.impl.XMLNamespaceBinder.startElement(XMLNamespaceBinder.ja
> va:572)
> 	at
>
org.apache.xerces.impl.dtd.XMLDTDValidator.startElement(XMLDTDValidator.java
> :727)
> 	at
>
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDo
> cumentFragmentScannerImpl.java:759)
> 	at
>
org.apache.xerces.impl.XMLDocumentScannerImpl$ContentDispatcher.scanRootElem
> entHook(XMLDocumentScannerImpl.java:957)
> 	at
>
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatc
> her.dispatch(XMLDocumentFragmentScannerImpl.java:1544)
> 	at
>
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocume
> ntFragmentScannerImpl.java:329)
> 	at
>
org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:525)
> 	at
>
org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:581)
> 	at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:152)
> 	at
>
org.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:117
> 5)
> 	at org.apache.commons.digester.Digester.parse(Digester.java:1495)
> 	at org.apache.catalina.startup.Catalina.start(Catalina.java:449)
> 	at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
> 	at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
> 	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:203)
> 
> 
> 
> 
> 
> 
> 
> 
> I finally found out that this problem is related to the 
> commons-digester.jar. When I remove this jar from my project Tomcat 
> starts. But then struts is not able to load it's config file:
> 
> 
> 2002-12-24 10:07:15 StandardWrapper[/intercard:action]: Marking 
> servlet action as unavailable 2002-12-24 10:07:15 
> StandardContext[/intercard]: Servlet /intercard threw
> load() exception
> javax.servlet.ServletException: Error instantiating servlet class 
> org.apache.struts.action.ActionServlet
> 	at 
> org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.j
> ava:91
> 1)
> 	at
> org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:821)
> 	at
>
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:
> 3420)
> 	at
> org.apache.catalina.core.StandardContext.start(StandardContext.java:3608)
> 	at
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
> 	at
> org.apache.catalina.core.StandardHost.start(StandardHost.java:738)
> 	at
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
> 	at
> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
> 	at
> org.apache.catalina.core.StandardService.start(StandardService.java:497)
> 	at
> org.apache.catalina.core.StandardServer.start(StandardServer.java:2189)
> 	at org.apache.catalina.startup.Catalina.start(Catalina.java:512)
> 	at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
> 	at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
> 	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:203)
> ----- Root Cause -----
> java.lang.NoClassDefFoundError: org/apache/commons/digester/RuleSet
> 	at java.lang.Class.getDeclaredConstructors0(Native Method)
> 	at java.lang.Class.privateGetDeclaredConstructors(Class.java:1590)
> 	at java.lang.Class.getConstructor0(Class.java:1762)
> 	at java.lang.Class.newInstance0(Class.java:276)
> 	at java.lang.Class.newInstance(Class.java:259)
> 	at
>
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:90
> 2)
> 	at
> org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:821)
> 	at
>
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:
> 3420)
> 	at
> org.apache.catalina.core.StandardContext.start(StandardContext.java:3608)
> 	at
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
> 	at
> org.apache.catalina.core.StandardHost.start(StandardHost.java:738)
> 	at
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
> 	at
> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
> 	at
> org.apache.catalina.core.StandardService.start(StandardService.java:497)
> 	at
> org.apache.catalina.core.StandardServer.start(StandardServer.java:2189)
> 	at org.apache.catalina.startup.Catalina.start(Catalina.java:512)
> 	at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
> 	at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
> 	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:203)
> 
> 
> 
> 
> 
> 
> 
> When I start Tomcat not through the plugins as a standalone 
> application everything works fine. To me it looks like a problem of 
> the ClassLoader because the digester is also part of Tomcat, but I'm 
> not shure.
> 
> By the way with Struts 1.0 it worked without any problem.
> 
> 
> Oliver Adolph
> 
> --
> To unsubscribe, e-mail:
<mailto:struts-user-unsubscribe@jakarta.apache.org>
> For additional commands, e-mail: 
> <mailto:struts-user-help@jakarta.apache.org>
> 
> 



--
To unsubscribe, e-mail:
<mailto:struts-user-unsubscribe@jakarta.apache.org>
For additional commands, e-mail:
<mailto:struts-user-help@jakarta.apache.org>

--
To unsubscribe, e-mail:   <mailto:struts-user-unsubscribe@jakarta.apache.org>
For additional commands, e-mail: <mailto:struts-user-help@jakarta.apache.org>


Mime
View raw message