[jira] [Commented] (GROOVY-11205) Groovy 3.0.13 to Groovy 4.0.13, I encountered a "Java heap space" error during the compilation process

["Eric Milles (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/GROOVY-11205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17779104#comment-17779104 ] 

Eric Milles commented on GROOVY-11205:
--------------------------------------

In order to support type annotations (JSR 308), references to "int", "Object" and so on in your sources have to be new instances rather than shared references.  There is a lot of state in a single ClassNode instance, most of which is for a type definition rather than a type reference.  GROOVY-11159 discusses the possibility of separating the state somehow for purposes of memory savings.

>  Groovy 3.0.13 to Groovy 4.0.13, I encountered a "Java heap space" error during the compilation process
> -------------------------------------------------------------------------------------------------------
>
>                 Key: GROOVY-11205
>                 URL: https://issues.apache.org/jira/browse/GROOVY-11205
>             Project: Groovy
>          Issue Type: Bug
>          Components: performance
>    Affects Versions: 4.0.13
>         Environment: openjdk version "17.0.6" 2023-01-17 LTS
> OpenJDK Runtime Environment Corretto-17.0.6.10.1 (build 17.0.6+10-LTS)
> OpenJDK 64-Bit Server VM Corretto-17.0.6.10.1 (build 17.0.6+10-LTS, mixed mode, sharing)
> WIN11
>            Reporter: DuanHen
>            Priority: Major
>         Attachments: groovy_3_0_13_mem.png, groovy_4_0_13_mem.png
>
>
> I'm facing an exception after upgrading the groovy-all version used for testing in my Gradle project from 3.0.13 to 4.0.13.
> > Task :compileTestGroovy FAILED
> FAILURE: Build failed with an exception.
>  * What went wrong:
> Execution failed for task ':compileTestGroovy'.
> > Java heap space
> The current temporary solution is to increase jvmArgs.
> jvmArgs = ['-Xms512m', '-Xmx1g']
> ↓
> jvmArgs = ['-Xms512m', '-Xmx2g']
> I have created a validation project, analyzed the memory, and found an increase in memory usage for org.codehaus.groovy.ast.ClassNode in version 4.0.13, particularly when there are a large number of test classes.



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