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https://issues.apache.org/jira/browse/TAPESTRY-2037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12560714#action_12560714
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Howard M. Lewis Ship commented on TAPESTRY-2037:
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Ok, now I have 13 windows running curl against a couple of different pages, and
I'm running interactively. This is fun .. .the performance is still quit good
for the interactive client. No sign of an exception yet.
Response rate, measured via FireBug, bounces all over the place: 9ms up to
650ms.
> NullPointerException caused by many rapid page refreshes
> --------------------------------------------------------
>
> Key: TAPESTRY-2037
> URL: https://issues.apache.org/jira/browse/TAPESTRY-2037
> Project: Tapestry
> Issue Type: Bug
> Components: tapestry-core, tapestry-ioc
> Affects Versions: 5.0.7
> Environment: jdk 1.5
> Reporter: Howard M. Lewis Ship
> Assignee: Howard M. Lewis Ship
> Priority: Critical
> Fix For: 5.0.8
>
>
> This was reported on the mailing list.
> In certain places, hitting the refresh button rapidly can cause a null
> pointer exception.
> It is believed this is related to a JDK 1.5 bug:
> http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6550283
> Tapestry makes a few uses of ThreadLocal that are consistent with this
> pattern. ThreadLocals are used to connect service proxies to perthread scope
> services.
> We will locate all useages of ThreadLocal and, alas, synchronize access to
> them.
> More discussion: http://markmail.org/message/7bwztu66paz2cfqm
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