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ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/upgrade-2.5.xml (line 797) <https://reviews.apache.org/r/50756/#comment210653> This does not look like a correct fix. EU/RU from HDP 2.3/2.4 to 2.5 is adding a new config type, sqoop-atlas-application.properties, so a downgrade must remove that new config type. As a temporary solution to get EU working, I'm ok with this, but we need a Jira to remove newly added config types on downgrade. - Alejandro Fernandez On Aug. 3, 2016, 4:44 p.m., Dmitro Lisnichenko wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/50756/ > ----------------------------------------------------------- > > (Updated Aug. 3, 2016, 4:44 p.m.) > > > Review request for Ambari, Alejandro Fernandez, Jonathan Hurley, and Nate > Cole. > > > Bugs: AMBARI-18008 > https://issues.apache.org/jira/browse/AMBARI-18008 > > > Repository: ambari > > > Description > ------- > > RU Downgrade failure while downgrading from 2.5 to 2.3. Downgrade failed at > the step > ' Client Components' ----> ' Updating configuration > sqoop-atlas-application.properties'. > > > 1) Install HDP-2.3.2.0-2950 with ambari-server-2.1.2-377 > 2) upgrade ambari to 2.4.0.0-1054 > 3) Start stack upgrade to erie. > 4) Before finalize step, start the downgrade. > The downgrade is failing at above mentioned step. > > {code} > 02 Aug 2016 05:27:58,527 WARN [Server Action Executor Worker 4525] > ServerActionExecutor:497 - Task #4525 failed to complete execution due to > thrown exception: java.lang.NullPointerException:null > java.lang.NullPointerException > at > org.apache.ambari.server.serveraction.upgrades.ConfigureAction.execute(ConfigureAction.java:239) > at > org.apache.ambari.server.serveraction.ServerActionExecutor$Worker.execute(ServerActionExecutor.java:555) > at > org.apache.ambari.server.serveraction.ServerActionExecutor$Worker.run(ServerActionExecutor.java:492) > at java.lang.Thread.run(Thread.java:745){code} > > > Diffs > ----- > > > ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/ConfigureAction.java > ab6614d > ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/upgrade-2.5.xml > 6390f1f > ambari-server/src/main/resources/stacks/HDP/2.4/upgrades/upgrade-2.5.xml > e7bf162 > > Diff: https://reviews.apache.org/r/50756/diff/ > > > Testing > ------- > > on live cluster > > > Thanks, > > Dmitro Lisnichenko > >
