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From "Unico Hommes" <Un...@hippo.nl>
Subject NPE after portal-fw samples sitemap reload
Date Mon, 28 Jul 2003 11:06:03 GMT

Whenever reloading the portal-fw samples-fw sitemap. I'm seeing the
following NullPointerException:

java.lang.NullPointerException
	at
org.apache.cocoon.components.ExtendedComponentSelector.release(ExtendedC
omponentSelector.java:317)
	at
org.apache.cocoon.components.treeprocessor.sitemap.SelectNode.dispose(Se
lectNode.java:169)
	at
org.apache.cocoon.components.treeprocessor.TreeProcessor.disposeTree(Tre
eProcessor.java:472)
	at
org.apache.cocoon.components.treeprocessor.TreeProcessor.setupRootNode(T
reeProcessor.java:422)
	at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreePro
cessor.java:319)
	at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreePro
cessor.java:307)
	at
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(Moun
tNode.java:133)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.
invokeNodes(AbstractParentProcessingNode.java:84)
	at
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.i
nvoke(PreparableMatchNode.java:164)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.
invokeNodes(AbstractParentProcessingNode.java:108)
	at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(P
ipelineNode.java:164)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.
invokeNodes(AbstractParentProcessingNode.java:108)
	at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(
PipelinesNode.java:161)
	at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreePro
cessor.java:325)
	at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreePro
cessor.java:307)
	at
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(Moun
tNode.java:133)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.
invokeNodes(AbstractParentProcessingNode.java:84)
	at
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.i
nvoke(PreparableMatchNode.java:164)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.
invokeNodes(AbstractParentProcessingNode.java:108)
	at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(P
ipelineNode.java:164)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.
invokeNodes(AbstractParentProcessingNode.java:108)
	at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(
PipelinesNode.java:161)
	at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreePro
cessor.java:325)
	at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreePro
cessor.java:307)
	at org.apache.cocoon.Cocoon.process(Cocoon.java:621)

Would an additional null check suffice or is this a symptom of a
different problem?

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