AFAIK, Patch install(i mean,mvn install) will not run all the projects hence you didn't seen this failure. Please see the following for same..
https://builds.apache.org/job/PreCommit-YARN-Build/16510/console ============================================================================ ============================================================================ maven install: patch ============================================================================ ============================================================================ cd /testptch/hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-registry /opt/maven/bin/mvn -Dmaven.repo.local=/home/jenkins/yetus-m2/hadoop-trunk-patch-1 -Ptest-patch -DskipTests -fae clean install -DskipTests=true -Dmaven.javadoc.skip=true -Dcheckstyle.skip=true -Dfindbugs.skip=true > /testptch/hadoop/patchprocess/patch-mvninstall-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-registry.txt 2>&1 Elapsed: 0m 16s cd /testptch/hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager /opt/maven/bin/mvn -Dmaven.repo.local=/home/jenkins/yetus-m2/hadoop-trunk-patch-1 -Ptest-patch -DskipTests -fae clean install -DskipTests=true -Dmaven.javadoc.skip=true -Dcheckstyle.skip=true -Dfindbugs.skip=true > /testptch/hadoop/patchprocess/patch-mvninstall-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager.txt 2>&1 Elapsed: 0m 26s ________________________________ From: Jian He <j...@hortonworks.com> Sent: Sunday, July 23, 2017 1:26 PM To: Brahma Reddy Battula Cc: Bokor Andras; common-dev@hadoop.apache.org; jianhe Subject: Re: Trunk fails Thanks Brahma. The jenkins report before the commit actually did NOT catch the mvninstall issue. Strange. https://issues.apache.org/jira/browse/YARN-6804?focusedCommentId=16095688&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16095688 On Jul 22, 2017, at 10:12 PM, Brahma Reddy Battula <brahmareddy.batt...@hotmail.com<mailto:brahmareddy.batt...@hotmail.com>> wrote: FYI..After Jian he comment on YARN-6804,I reverted. Now trunk build will pass. ________________________________ From: Brahma Reddy Battula <brahmareddy.batt...@hotmail.com<mailto:brahmareddy.batt...@hotmail.com>> Sent: Sunday, July 23, 2017 12:38 PM To: Bokor Andras; common-dev@hadoop.apache.org<mailto:common-dev@hadoop.apache.org>; jianhe Subject: Re: Trunk fails Yes, it's failing after following commit. https://issues.apache.org/jira/browse/YARN-6804 <https://issues.apache.org/jira/browse/YARN-6804>@jianhe<mailto:jia...@apache.org> can you please check once,all the pre-commit also have this error. ________________________________ From: Bokor Andras <bok...@freemail.hu> Sent: Sunday, July 23, 2017 6:33 AM To: common-dev@hadoop.apache.org Subject: Re: Trunk fails Something wrong with my formatting and new lines were skipped. So the correct link for build log is https://builds.apache.org/job/PreCommit-HADOOP-Build/12839/artifact/patchprocess/branch-mvninstall-root.txt Bokor Andras <bok...@freemail.hu> írta: Hi all, Trunk currently fails without -DskipShade.To see the full error message check one of the pre-commit buils, eg:https://builds.apache.org/job/PreCommit-HADOOP-Build/12839/artifact/patchprocess/branch-mvninstall-root.txtand look for "Duplicate classes found" string.It's related to shading. I do not know too much about shading so I need some help to invesitage this. Thanks,Andras