Exception with cocoon when using forrest cent

When I run the Forrest target with centipede I get the following exception 
that occurs after all the preparation. It really when the XML are going to 
be rendered to HTML.
Is it linked to centipede config at all or should I ckeck with Cocoon.

thanks
lionel

project-context:
prepare-context:
-prepare-classpath:
-site:
Created dir: C:\lionel\cvs\japc\japc\build\japc\work\forrest
------------------------------------------------------------------------
cocoon 2.1-dev
Copyright (c) 1999-2003 Apache Software Foundation. All rights reserved.
------------------------------------------------------------------------
Copying 695 files to C:\lionel\cvs\japc\japc\build\japc\forrest\site
java.lang.NullPointerException
 at 
org.apache.cocoon.generation.HTMLGenerator.setup(HTMLGenerator.java:225)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:378)
 at 
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:596)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:505)
 at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:467)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(SerializeNode.java:145)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:84)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invoke(PreparableMatchNode.java:164)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:84)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:158)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:84)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invoke(PreparableMatchNode.java:164)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:108)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:153)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:108)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:143)
 at 
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:317)
 at 
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:299)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:131)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:84)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:158)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:84)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invoke(PreparableMatchNode.java:164)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:108)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:153)
 at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:108)
 at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:143)
 at 
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:317)
 at 
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:299)
 at org.apache.cocoon.Cocoon.process(Cocoon.java:600)
 at org.apache.cocoon.bean.CocoonBean.processLenient(CocoonBean.java:834)
 at org.apache.cocoon.bean.CocoonBean.getType(CocoonBean.java:821)
 at org.apache.cocoon.bean.CocoonBean.translateURI(CocoonBean.java:697)
 at org.apache.cocoon.bean.CocoonBean.processURI(CocoonBean.java:630)
 at org.apache.cocoon.bean.CocoonBean.process(CocoonBean.java:468)
 at org.apache.cocoon.bean.CocoonBean.process(CocoonBean.java:417)
 at org.apache.cocoon.Main.main(Main.java:340)
Exception in thread "main"

-- 
---
Lionel Mestre, [email protected]
Tel : 22 76 71464
CERN


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