“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.