Jenkins: java.lang.OutOfMemoryError: Java heap space
  • 03 Nov 2022
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Jenkins: java.lang.OutOfMemoryError: Java heap space

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This error can be solved by manually adding a parameter to dedicate memory to the build process.

  • In your Jenkins project, click configure.

  • Scroll down to the Build section of the page to the Build Step titled Invoke Ant with the fields:

    • Ant Version: CodeScan Bundled Ant
    • Targets: sonar
  • Click on Advanced.

  • In the Java Options field, add the parameter -Xmx2000m. This will assign 2000mb of memory to you build.

If after increasing the heap space you get the error:

Error occurred during initialization of VM Could not reserve enough space for xxxxxxKB object heap

The problem may be that you are using a 32 bit version of Java. Please refer to the following article for more details.


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