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Posted to dev@tapestry.apache.org by "Andreas Andreou (JIRA)" <de...@tapestry.apache.org> on 2009/01/09 18:09:59 UTC
[jira] Commented: (TAPESTRY-2723) Compenents that should be found
are not found during page loading
[ https://issues.apache.org/jira/browse/TAPESTRY-2723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12662428#action_12662428 ]
Andreas Andreou commented on TAPESTRY-2723:
-------------------------------------------
As reported in the mailing list, this occures under:
java version "1.5.0_10"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_10-b03)
Java HotSpot(TM) Client VM (build 1.5.0_10-b03, mixed mode, sharing)
and JDK 1.5.0_17
Also, another note:
"We've tracked the problem further and it appears to be a thread safety problem in the PageLoader class.
We have pop-ups in our app that are seperate Tapestry pages and we think that they may be clobbering each other when getting loaded."
> Compenents that should be found are not found during page loading
> -----------------------------------------------------------------
>
> Key: TAPESTRY-2723
> URL: https://issues.apache.org/jira/browse/TAPESTRY-2723
> Project: Tapestry
> Issue Type: Bug
> Components: Framework
> Affects Versions: 4.1.6
> Environment: Windows XP Service pack 3 - 1.86 GHz, 3 GB of ram - JBoss - Tapestry 4.1.6
> Reporter: michael wasserman
> Attachments: StackTrace.txt
>
>
> When AbstractComponent.getComponents(String) is called the HashMap "_components" is unexpectedly null, causing an ApplicationRuntimeException which indicates that the given component (id passed as parameter to getComponents(String)), does not exist. We have confirmed that in every instance the given component does exist in the given page.
> This problem happens randomly on a variety of pages.
> This could be an indication of a thread safety problem in the PageLoader class. We can duplicate the problem, (unreliably), via our selenium test suite.
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