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https://issues.apache.org/jira/browse/TAP5-2520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15091677#comment-15091677
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ASF subversion and git services commented on TAP5-2520:
-------------------------------------------------------
Commit e2a092b6c56f1f12accff5d5f3df37dd53259798 in tapestry-5's branch
refs/heads/master from [~jkemnade]
[ https://git-wip-us.apache.org/repos/asf?p=tapestry-5.git;h=e2a092b ]
TAP5-2520, TAP5-2526: synchronize access to the cache because
CaseInsensitiveMap is not thread-safe
> NullPointerException in CaseInsensitiveMap
> ------------------------------------------
>
> Key: TAP5-2520
> URL: https://issues.apache.org/jira/browse/TAP5-2520
> Project: Tapestry 5
> Issue Type: Improvement
> Components: tapestry-core, tapestry-ioc
> Affects Versions: 5.4
> Reporter: Jochen Kemnade
>
> {code}
> java.lang.NullPointerException: null
> at
> org.apache.tapestry5.ioc.util.CaseInsensitiveMap$CIMEntry.access$700(CaseInsensitiveMap.java:39)
> ~[commons-5.4.0.jar:na]
> at
> org.apache.tapestry5.ioc.util.CaseInsensitiveMap.select(CaseInsensitiveMap.java:476)
> ~[commons-5.4.0.jar:na]
> at
> org.apache.tapestry5.ioc.util.CaseInsensitiveMap.select(CaseInsensitiveMap.java:451)
> ~[commons-5.4.0.jar:na]
> at
> org.apache.tapestry5.ioc.util.CaseInsensitiveMap.get(CaseInsensitiveMap.java:387)
> ~[commons-5.4.0.jar:na]
> at
> org.apache.tapestry5.internal.services.assets.JavaScriptStackAssemblerImpl.assembleJavascriptResourceForStack(JavaScriptStackAssemblerImpl.java:115)
> ~[tapestry-core-5.4.0.jar:na]
> {code}
> This is probably caused by concurrent access to the map.
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