ANTLR v4 Java8 grammar causing OutOfMemoryError: GC overhead limit exceeded

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gautam

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Feb 16, 2017, 2:26:34 AM2/16/17

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I'm trying to parse a java file(11K+ lines of codes) with ANTLR java8 grammar but it crashed with OOM exception. I also tried the solutions suggested in this two links using ANTLR in java cause OOM (using UnbufferedTokenStream) and ANTLR V4 + Java8 Grammar -> OutOfMemoryException (using two-stage parsing strategy) but both throws same OOM error.

Memory provided -Xms512m and -Xmx1G

Can this be solved somehow?

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