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How do I increase the memory of the MPS build?

Depending on how complex your MPS flow is there could be the chance that you would get an OutOfMemoryError exception when building your flow through Maven. This would largely be due to fact that we generate BDD tests that have a test scenario per transitional state.

To increase the memory during the build and generation phase you can alter the "generation max heap size in mb" MPS Settings in the build script in as seen in the following screenshot:

memory 1

You also need to alter the heap size in the build.xml file of the root mps maven module as follows:

memory 2