[
http://issues.apache.org/jira/browse/BEEHIVE-623?page=comments#action_64788 ]
Rich Feit commented on BEEHIVE-623:
-----------------------------------
OK, I'm able to reproduce this in the following manner:
- Hit a page flow.
- Hit a nested page flow (so that now the original page flow is on the
nesting stack).
- Redeploy the webapp, or start/stop Tomcat.
- Wait for the session to expire.
To make the session expire quickly, add this entry in web.xml, after the last
servlet-mapping:
<session-config>
<session-timeout>1</session-timeout>
</session-config>
> Unable to perform background process on manager warning
> -------------------------------------------------------
>
> Key: BEEHIVE-623
> URL: http://issues.apache.org/jira/browse/BEEHIVE-623
> Project: Beehive
> Type: Bug
> Components: NetUI
> Versions: V1
> Environment: Solaris 8, JDK1.5, beehive nightly from 20050505, Tomcat 5.0.27
> Reporter: James Black
> Assignee: Rich Feit
> Priority: Minor
> Fix For: V1
> Attachments: npe_on_background_process.tar.gz
>
> I noticed in catalina.out the following message, and don't think this should
> be expected behavior:
> WARNING: Unable to perform background process on manager
> java.lang.NullPointerException
> at
> org.apache.beehive.netui.pageflow.internal.InternalUtils.isLongLived(InternalUtils.java:263)
> at
> org.apache.beehive.netui.pageflow.PageFlowController.isLongLived(PageFlowController.java:145)
> at
> org.apache.beehive.netui.pageflow.PageFlowStack.valueUnbound(PageFlowStack.java:313)
> at
> org.apache.catalina.session.StandardSession.removeAttributeInternal(StandardSession.java:1566)
> at
> org.apache.catalina.session.StandardSession.expire(StandardSession.java:708)
> at
> org.apache.catalina.session.StandardSession.isValid(StandardSession.java:566)
> at
> org.apache.catalina.session.StandardManager.processExpires(StandardManager.java:782)
> at
> org.apache.catalina.session.StandardManager.backgroundProcess(StandardManager.java:795)
> at
> org.apache.catalina.core.StandardContext.backgroundProcess(StandardContext.java:4640)
> at
> org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1619)
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