ewheeler commented on issue #8868: Docker Build is failing for 0.16.0-incubating-rc3 URL: https://github.com/apache/druid/issues/8868#issuecomment-603512735 I had a different Maven error- seems like it ran out of memory, perhaps due to configuring additional druid extensions ``` ... Adding org.apache.maven.settings.io.SettingsReaderdefault Adding org.apache.maven.settings.io.SettingsWriterdefault Adding org.apache.maven.settings.validation.SettingsValidatordefault Cleaning up unclosed ZipFile for archive /root/.m2/repository/com/ibm/icu/icu4j/55.1/icu4j-55.1.jar [ERROR] GC overhead limit exceeded -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/OutOfMemoryError The command '/bin/sh -c mvn -B -ff -q dependency:go-offline install -Pdist,bundle-contrib-exts -DskipTests -Danimal.sniffer.skip=true -Dcheckstyle.skip=true -Denforcer.skip=true -Dforbiddenapis.skip=true -Dmaven.javadoc.skip=true -Dpmd.skip=true -Dspotbugs.skip=true' returned a non-zero code: 1 ``` I was able to resolve by adding the following line to the included [Dockerfile](https://github.com/apache/druid/blob/master/distribution/docker/Dockerfile#L21) `RUN export MAVEN_OPTS="-Xmx1g -XX:+UseCGroupMemoryLimitForHeap"` I suspect only one of the two options I added did the trick, but that might depend on your version of java. Sorry for the slightly tangential comment, but might be useful to look at other possible `MAVEN_OPTS`- and might help in case anyone else has the same issue I encountered
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