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Re: servlet config problem:java.lang.ClassFormatError: Duplicate name

From: Lokendra <world@mech.iitkgp.ernet.in>
Date: Fri, 18 Dec 1998 14:45:47 -0500 (EST)
To: Michael Stacey <Michael@lexi.com>
Cc: www-jigsaw@w3.org, Yves Lafon <ylafon@w3.org>
Message-Id: <Pine.LNX.3.96.981219011629.10279A-100000@mech.iitkgp.ernet.in>

I am facing the same problem. What could be the reason ??

lokendra

On Fri, 18 Dec 1998, Michael Stacey wrote:

> Here's what I encounter:
> 
> 1. install Jigsaw 2.0beta2
> 2. run Jigsaw
> 3. run Jigadmin
> 4. open http-server folder
>       open space folder
>          click to open servlets folder:  the following stack traces occur:
> 
> 
> In Jigsaw session:
> java.lang.ClassFormatError: Duplicate name
>         at java.lang.ClassLoader.defineClass(Compiled Code)
>         at java.lang.ClassLoader.defineClass(Compiled Code)
>         at
> org.w3c.jigsaw.servlet.AutoReloadServletLoader.loadClassFile(Compiled
>  Code)
>         at
> org.w3c.jigsaw.servlet.AutoReloadServletLoader.getNewClass(Compiled C
> ode)
>         at
> org.w3c.jigsaw.servlet.AutoReloadServletLoader.loadClass(Compiled Cod
> e)
>         at org.w3c.jigsaw.servlet.ServletWrapper.launchServlet(Compiled Code)
>         at org.w3c.jigsaw.servlet.ServletWrapper.initialize(Compiled Code)
>         at org.w3c.tools.resources.AttributeHolder.getClone(Compiled Code)
> java.lang.NoClassDefFoundError
> java.lang.ClassFormatError: Duplicate name
>         at org.w3c.tools.resources.Resource.getClone(Compiled Code)
>         at java.lang.ClassLoader.defineClass(Compiled Code)
>          	.
> 		.
> 		.
>  	
> 
> In JigAdmin session:
> org.w3c.www.protocol.http.HttpException: Unable to contact target server
> michael
> :8009 after 3 tries.
>         at java.lang.Throwable.<init>(Compiled Code)
>         at org.w3c.www.protocol.http.HttpBasicServer.runRequest(Compiled Code)
>         at org.w3c.www.protocol.http.HttpManager.runRequest(Compiled Code)
>         at org.w3c.jigsaw.admin.AdminContext.runRequest(Compiled Code)
>         at
> org.w3c.jigsaw.admin.PlainRemoteResource.enumerateResourceIdentifiers
> (Compiled Code)
>         at org.w3c.jigadm.gui.ServerBrowser.notifyExpander(Compiled Code)
>         at org.w3c.jigadm.gui.ServerBrowser$Expander.run(Compiled Code)
> org.w3c.jigsaw.admin.RemoteAccessException: Unable to contact target server
> mich
> ael:8009 after 3 tries.
>         at java.lang.Throwable.<init>(Compiled Code)
>         at org.w3c.jigsaw.admin.AdminContext.runRequest(Compiled Code)
>         at
> org.w3c.jigsaw.admin.PlainRemoteResource.enumerateResourceIdentifiers
> (Compiled Code)
>         at org.w3c.jigadm.gui.ServerBrowser.notifyExpander(Compiled Code)
>         at org.w3c.jigadm.gui.ServerBrowser$Expander.run(Compiled Code)
> 
> C:\Jigsaw\Jigsaw>java org.w3c.jigadm.Main -root C:\Jigsaw\Jigsaw
> http://michael:
> 8009
> org.w3c.www.protocol.http.HttpException: Unable to contact target server
> michael
> :8009 after 3 tries.
>         at java.lang.Throwable.<init>(Compiled Code)
>         at org.w3c.www.protocol.http.HttpBasicServer.runRequest(Compiled Code)
>         at org.w3c.www.protocol.http.HttpManager.runRequest(Compiled Code)
>         at org.w3c.jigsaw.admin.AdminContext.runRequest(Compiled Code)
>         at
> org.w3c.jigsaw.admin.PlainRemoteResource.enumerateResourceIdentifiers
> (Compiled Code)
>         at org.w3c.jigadm.gui.ServerBrowser.notifyExpander(Compiled Code)
>         at org.w3c.jigadm.gui.ServerBrowser$Expander.run(Compiled Code)
> org.w3c.jigsaw.admin.RemoteAccessException: Unable to contact target server
> mich
> ael:8009 after 3 tries.
>         at java.lang.Throwable.<init>(Compiled Code)
>         at org.w3c.jigsaw.admin.AdminContext.runRequest(Compiled Code)
>         at
> org.w3c.jigsaw.admin.PlainRemoteResource.enumerateResourceIdentifiers
> (Compiled Code)
>         at org.w3c.jigadm.gui.ServerBrowser.notifyExpander(Compiled Code)
>         at org.w3c.jigadm.gui.ServerBrowser$Expander.run(Compiled Code)
> 
> Server will still serve up files just fine.
> 
> Any ideas?
> 
> 
> Michael	
> ---
> Michael
> 
> 
Received on Friday, 18 December 1998 15:32:09 GMT

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