-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/49953/#review141914
-----------------------------------------------------------


Ship it!




Ship It!

- Alejandro Fernandez


On July 12, 2016, 2:55 p.m., Jonathan Hurley wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/49953/
> -----------------------------------------------------------
> 
> (Updated July 12, 2016, 2:55 p.m.)
> 
> 
> Review request for Ambari, Alejandro Fernandez and Nate Cole.
> 
> 
> Bugs: AMBARI-17667
>     https://issues.apache.org/jira/browse/AMBARI-17667
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> HDP 2.5 includes a new version of Storm where packages named 
> {{backtype.storm}} were changed to {{org.apache.storm}}. As a result, Storm 
> local data is not compatible between versions earlier versions of HDP and HDP 
> 2.5. Consider the following situatio where Nimbus and a Supervisor are 
> co-located on the same host:
> 
> - Nimbus deletes local data and restarts on the new version
> - A running 2.4 Supervisor on the same host then re-creates that directory 
> and puts 2.4 data back in
> - When the 2.4 Supervisor goes to upgrade and restart, it can't delete that 
> data again since Nimbus is already running and would stop.
> 
> When starting the Supevisor, the following error is seen:
> ```
> 2016-06-21 23:10:48.000 o.a.s.c.f.s.ConnectionStateManager [INFO] State 
> change: CONNECTED
> 2016-06-21 23:10:48.058 b.s.d.supervisor [INFO] Starting supervisor with id 
> 03d8bceb-0271-4076-810d-04aeaa91533c at host 
> nat-os-r6-omns-dgm10toeriedwngdha-r6-2.openstacklocal
> 2016-06-21 23:10:48.785 b.s.event [ERROR] Error when processing event
> java.lang.RuntimeException: java.lang.ClassNotFoundException: 
> org.apache.storm.generated.LSSupervisorAssignments
>         at backtype.storm.utils.LocalState.deserialize(LocalState.java:83) 
> ~[storm-core-0.10.0.2.4.2.0-258.jar:0.10.0.2.4.2.0-258]
>         at backtype.storm.utils.LocalState.get(LocalState.java:130) 
> ~[storm-core-0.10.0.2.4.2.0-258.jar:0.10.0.2.4.2.0-258]
>         at 
> backtype.storm.local_state$ls_local_assignments.invoke(local_state.clj:83) 
> ~[storm-core-0.10.0.2.4.2.0-258.jar:0.10.0.2.4.2.0-258]
>         at 
> backtype.storm.daemon.supervisor$sync_processes.invoke(supervisor.clj:323) 
> ~[storm-core-0.10.0.2.4.2.0-258.jar:0.10.0.2.4.2.0-258]
> ...
> ```
> 
> 
> Diffs
> -----
> 
>   
> ambari-server/src/main/java/org/apache/ambari/server/checks/CheckDescription.java
>  29feb28 
>   
> ambari-server/src/main/java/org/apache/ambari/server/checks/StormShutdownWarning.java
>  PRE-CREATION 
>   
> ambari-server/src/main/java/org/apache/ambari/server/state/UpgradeHelper.java 
> 66272e3 
>   ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/upgrade-2.5.xml 
> 85ffb8c 
>   ambari-server/src/main/resources/stacks/HDP/2.4/upgrades/upgrade-2.5.xml 
> 68e8fc2 
>   
> ambari-server/src/test/java/org/apache/ambari/server/checks/StormShutdownWarningTest.java
>  PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/49953/diff/
> 
> 
> Testing
> -------
> 
> Upgraded/Downgrade of Storm from HDP 2.4 to 2.5; verified Supervisors and 
> Nimbus were running and passed SC.
> 
> Unit Tests Pending...
> 
> 
> Thanks,
> 
> Jonathan Hurley
> 
>

Reply via email to