[MINVOKER-172] Settings MAVEN_OPTS will prevent usage of invoker.mavenOpts in invoker properties

**[Karl Heinz Marbaise](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=khmarbaise)** opened **[MINVOKER-172](https://issues.apache.org/jira/browse/MINVOKER-172?redirect=false)** and commented

If i set MAVEN_OPTS with things like `export MAVEN_OPTS="-Xmx1024m -Xms1024m -Djava.awt.headless=true"` in my `.mavenrc` it prevents the usage of `invoker.mavenOpts` within a invoker.properties file.

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**Affects:** 1.9

**Issue Links:**
- [MPMD-293](https://issues.apache.org/jira/browse/MPMD-293) Fix integration test builds on jenkins

1 votes, 4 watchers

Start by reproducing the issue with MAVEN_OPTS set in .mavenrc and invoker.mavenOpts configured in invoker.properties. Trace how the Maven Invoker Plugin combines those options. Done means invoker.mavenOpts is still applied when MAVEN_OPTS contains JVM options.

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