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Editorial Team
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Asked: 2026-05-22T11:25:28+00:00

I have added a 2.45mb jar file to my Android eclipse project and now

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I have added a 2.45mb jar file to my Android eclipse project and now I continue to get “Conversion to Dalvik format failed: Unable to execute dex: Java heap space” no matter what I do.

I have researched online, and was informed to update my eclipse.ini to increase my Java VM heapsizes. I have done this for all the values in eclipse.ini and I continue to get the build error.

Any ideas?

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1 Answer

  1. Editorial Team

    Modify the -XmsAm and -XmxBm paremeters in eclipse.ini so that they are large enough. The default is -Xms40m -Xmx384m. Try changing them both to -Xms512m -Xmx512m and restart eclipse to see if that helps. If not, continue to increase the values and restart eclipse until either one of two things happens:

    1. Your build completes.
    2. Eclipse won’t restart because you don’t have enough memory.

    eclipse.ini is located at /etc/eclipse.ini in Ubuntu (assuming you installed Eclipse from the Ubuntu repositories).

    For MAC please see:

    Finding eclipse.ini is a wee bit tricky. To locate it, right-click on the Eclipse Application icon and select “Show Package Contents”, then double-click on the “Contents” folder and then double-click on the “MacOS” folder, the home of eclipse.ini

    https://confluence.sakaiproject.org/pages/viewpage.action?pageId=61341742

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