java.lang.OutOfMemoryError: Java heap space:failed reallocation of scalar replaced objects - Error when train the custom model using opennlp api

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I am getting below error when I train a custom NER model using openNlp api with more than 2 million sentences.

java.lang.OutOfMemoryError: Java heap space:failed reallocation of scalar replaced objects.

I tried below solution but its not working for me.

  • Increasing the heap size, via "-Xmx1024m" (or more),

How can I solve this issue?

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