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https://issues.apache.org/jira/browse/GROOVY-7884?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King closed GROOVY-7884.
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> GroovyScriptEngineImpl usage of CompilerConfiguration can lead to memory leaks
> ------------------------------------------------------------------------------
>
> Key: GROOVY-7884
> URL: https://issues.apache.org/jira/browse/GROOVY-7884
> Project: Groovy
> Issue Type: Bug
> Affects Versions: 2.4.5
> Reporter: Stefano Rocca
> Assignee: John Wagenleitner
> Fix For: 2.4.8
>
>
> In the constructor of GroovyScriptEngineImpl the CompilerConfiguration is
> created each time, while it should use CompilerConfiguration.DEFAULT.
> This can lead to memory leaks in environments where there is an high usage of
> GroovyScriptEngineImpl because CompilerConfiguration creates a PrintWriter on
> System.err (i.e. under the hood it creates a BufferedWriter with a default
> buffer of 8192 elements) when setting the field "output".
> I have observed this behaviour using Apache Camel.
> I don't know if all the GroovyScriptEngineImpl instances are legit or are
> themselves a leak: I will investigate on this later and report to the Apache
> Camel team.
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