[Tap4.0.x to 4.1.1] ClassNotFound Exception

[Wojtek Ciesielski <cc...@interia.pl>]

Hi all,

I was trying to move our web app from Tapestry 4.0 to version 4.1.1. 
I've replaced framework, annotations and contrib jars with new onces - 
system compiled. But when tried to launch it an exception was thrown, 
which boiled down to:

java.lang.NoClassDefFoundError: edu/emory/mathcs/backport/java/util/concurrent/locks/ReentrantLock
org.apache.tapestry.services.impl.DisableCachingFilter.<init>(DisableCachingFilter.java:41)
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
java.lang.reflect.Constructor.newInstance(Unknown Source)
.......


I've went through jars provided with distribution and I'm pretty sure 
that there is no package starting from edu... And  
http://tapestry.apache.org/tapestry4.1/dependencies.html page says that 
"here are no dependencies for this project. It is a standalone 
application that does not depend on any other project." - so what am I 
doing wrong?

Thanks in advance for any advice,
Wojtek

Re: [Tap4.0.x to 4.1.1] ClassNotFound Exception

[Yiannis Mavroukakis <yi...@jaguarfreight.com>]

Grab the appropriate jar from here

http://dcl.mathcs.emory.edu/util/backport-util-concurrent/

On Fri, 2007-03-16 at 11:03 +0100, Wojtek Ciesielski wrote:
> Hi all,
> 
> I was trying to move our web app from Tapestry 4.0 to version 4.1.1. 
> I've replaced framework, annotations and contrib jars with new onces - 
> system compiled. But when tried to launch it an exception was thrown, 
> which boiled down to:
> 
> java.lang.NoClassDefFoundError: edu/emory/mathcs/backport/java/util/concurrent/locks/ReentrantLock
> org.apache.tapestry.services.impl.DisableCachingFilter.<init>(DisableCachingFilter.java:41)
> sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
> java.lang.reflect.Constructor.newInstance(Unknown Source)
> .......
> 
> 
> I've went through jars provided with distribution and I'm pretty sure 
> that there is no package starting from edu... And  
> http://tapestry.apache.org/tapestry4.1/dependencies.html page says that 
> "here are no dependencies for this project. It is a standalone 
> application that does not depend on any other project." - so what am I 
> doing wrong?
> 
> Thanks in advance for any advice,
> Wojtek
> 
> 
> ________________________________________________________________________
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