Tutorial

Eclipse OutOfMemory Error Fix by increasing Heap Memory/Permgen Space

Published on August 3, 2022
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By Pankaj

Eclipse OutOfMemory Error Fix by increasing Heap Memory/Permgen Space

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Eclipse Out of Memory Error happens when you are working on large projects. Sometimes it’s because of Permgen space (below Java 8) and sometimes your eclipse memory runs out of heap memory.

Eclipse OutOfMemoryError Fix

We can increase eclipse memory by providing more Permgen space and heap memory for Eclipse to use. These settings are usually configured in the eclipse.ini file. You can check the location of the eclipse.ini file from below images for Mac OS X. eclipse out of memory, eclipse memory eclipse.ini file, eclipse.ini file location mac In windows, you will find the eclipse.ini file in the same directory as the eclipse.exe file. eclipse.ini file location windows 10 Once you have located the eclipse.ini file, just open it in your favorite text editor.

Increase Eclipse Heap Space

You can increase the maximum heap size by editing -Xmx value. For example, below snippet will increase the eclipse heap size to 2 GB.

-Xmx2048m

increase eclipse memory size windows

Increase Permgen Space in Eclipse

If you are using below Java 8, then you might get OutOfMemoryError: Permgen space, just increase the permanent generation space available to Eclipse. Below is the configuration to increase permgen space to 512 MB in eclipse.ini file.

-XX:MaxPermSize=512M

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JournalDev
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January 29, 2021

It worked, thank you very much.

- Ashish Sharma

    JournalDev
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    June 22, 2020

    Thanks a lot… after increasing the memory…its working fine

    - Mohamed Raffi

      JournalDev
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      May 11, 2020

      I already have configured to 2056. What should I do? I still get error frequently.

      - Praveen

        JournalDev
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        May 9, 2019

        It worked very well. Thank you.

        - Kandy

          JournalDev
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          January 31, 2019

          Worked for me …Thank you.

          - jakeer

            JournalDev
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            December 7, 2018

            Not helpful at all. Most people use Windows these days.

            - Buster McGibbons

              JournalDev
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              October 11, 2018

              Hello I am getting an internal error while launching the eclipse saying "java heap space " during setup check. Please help me!

              - Aradhana

                JournalDev
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                August 3, 2018

                Worked for me on OSX High Sierra using Eclipse Oxygen. Thanks

                - Joe D.

                  JournalDev
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                  October 23, 2017

                  Hello … I have an issue, My spring tool suite hangs (not responding) after using it for 5 mins and this happens when I start my server on which our application is hosted . Please help me out

                  - Rohit

                    JournalDev
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                    October 8, 2017

                    An internal error occurred during: “Retrieving archetypes:”. GC overhead limit exceeded please help me to solve this

                    - HARSHA VARDHAN

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