[jira] [Updated] (GROOVY-10918) Local variable values are not discarded if closures used

["Andriy Rysin (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GROOVY-10918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andriy Rysin updated GROOVY-10918:
----------------------------------
    Attachment: TestOOMIcj.java

> Local variable values are not discarded if closures used
> --------------------------------------------------------
>
>                 Key: GROOVY-10918
>                 URL: https://issues.apache.org/jira/browse/GROOVY-10918
>             Project: Groovy
>          Issue Type: Bug
>    Affects Versions: 4.0.8
>            Reporter: Andriy Rysin
>            Priority: Major
>         Attachments: TestOOM.groovy, TestOOMIcj.java, TestOOMJ.java, groovy_oom.png
>
>
> When I run the code below with 3 statements with closures inside the method the local var (parameter) values (all 4 of them) are staying in memory.
> I don't see the same problem if I run corresponding Java code with lambdas.
> Run TestOOM.groovy with 
> -Xmx600M -XX:+HeapDumpOnOutOfMemoryError
> Notice groovy fails:
> Y
> Z
> java.lang.OutOfMemoryError: Java heap space
> Dumping heap to java_pid147612.hprof ...
> Heap dump file created [497819587 bytes in 0.136 secs]
> Caught: java.lang.OutOfMemoryError: Java heap space
> java.lang.OutOfMemoryError: Java heap space
>     at test.TestOOM.test(TestOOM.groovy:31)
>     at test.TestOOM.run(TestOOM.groovy:41)
> But Java version does not.
> It looks like all the values of s are still in memory (see screenshot), even though previous values should be discarded.



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