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Thread: OutOfMemoryError: Java heap space

  1. #1
    Join Date
    Nov 2017

    Default OutOfMemoryError: Java heap space


    My transformation is running Pentaho Reporting file output step to generate an Excel 2007 file.

    Running against the DEV database, it works fine. Running against the UAT database, which is quite a bit larger, I get the following when running the job locally:

    Name:  Capture.jpg
Views: 47
Size:  71.9 KB

    Is there some sort of JVM (or Spoon, or whatever) setting(s) I can change to try and alleviate this?


  2. #2
    Join Date
    Jun 2012


    The Insert-Image button is for inserting images.
    It doesn't work so well with images of text due to downscaling.

    There's a JVM option -Xmx you can use to adjust heap size.
    I wouldn't bother to create Excel files as Excel will open CSV files just as easily, though.
    So long, and thanks for all the fish.

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