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https://issues.apache.org/jira/browse/JXPATH-162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15020371#comment-15020371
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Uwe Barthel commented on JXPATH-162:
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Open pull request: [JXPATH-162: Find the factory implementation name in the
static initializer|https://github.com/apache/commons-jxpath/pull/10].
Following the suggestion of [[email protected]].
> Concurrency problem for JXPathContextFactory.factoryImplName static field
> -------------------------------------------------------------------------
>
> Key: JXPATH-162
> URL: https://issues.apache.org/jira/browse/JXPATH-162
> Project: Commons JXPath
> Issue Type: Bug
> Affects Versions: 1.3
> Reporter: Michele Vivoda
> Priority: Minor
> Fix For: 1.4
>
> Original Estimate: 10m
> Remaining Estimate: 10m
>
> The static field [factoryImplName] is loaded lazily when the first call to
> JXPathContextFactory#getInstance() is made. This is a broken pattern when
> #getInstance() is called by multiple threads. My suggestion is to find the
> name in the static initializer:
> private static final String factoryImplName =
> findFactory(FACTORY_NAME_PROPERTY, DEFAULT_FACTORY_CLASS);
>
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