Probably it is related to https://issues.apache.org/jira/browse/MJAR-227 <https://issues.apache.org/jira/browse/MJAR-227> and https://github.com/codehaus-plexus/plexus-archiver/issues/5 <https://github.com/codehaus-plexus/plexus-archiver/issues/5> which is only fixed with maven-jar-plugin 3.0.0. Try if upgrading to 3.0.1 helps in your case. Konrad
> On 17 Aug 2016, at 08:43, Stefan Seifert <[email protected]> wrote: > > >> [INFO] Apache Sling Testing Sling Mock .................... FAILURE [ >> 54.843 s] > ... >> [ERROR] Failed to execute goal org.apache.maven.plugins:maven-jar- >> plugin:3.0.0:test-jar (default) on project org.apache.sling.testing.sling- >> mock: Error assembling JAR: Problem creating jar: Execution exception: Java >> heap space -> [Help 1] > > > hmm... this happens since i updated to sling parent pom 28 yesterday on this > project. > > can anyone reproduce this heap space problem on building locally? (i cannot > currently) > > is 512MB heap space not engough for the maven build? > > stefan
