“java.lang.OutOfMemoryError: PermGen space” in Maven build [duplicate]

When you say you increased MAVEN_OPTS, what values did you increase? Did you increase the MaxPermSize, as in example:

export MAVEN_OPTS="-Xmx512m -XX:MaxPermSize=128m"

(or on Windows:)

set MAVEN_OPTS=-Xmx512m -XX:MaxPermSize=128m

You can also specify these JVM options in each maven project separately.

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