[ 
https://issues.apache.org/jira/browse/YARN-5170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15319213#comment-15319213
 ] 

Vrushali C commented on YARN-5170:
----------------------------------

Here is the console output of the jenkins build 

https://builds.apache.org/job/PreCommit-YARN-Build/11869/console

{code}
Console Output

[EnvInject] - Mask passwords passed as build parameters.
Started by remote host 127.0.0.1
[EnvInject] - Loading node environment variables.
Building remotely on H8 (Mapreduce Falcon Hadoop Pig Zookeeper Tez Hdfs 
yahoo-not-h2) in workspace 
/home/jenkins/jenkins-slave/workspace/PreCommit-YARN-Build
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url 
 > https://git-wip-us.apache.org/repos/asf/hadoop.git # timeout=10
Fetching upstream changes from 
https://git-wip-us.apache.org/repos/asf/hadoop.git
 > git --version # timeout=10
 > git -c core.askpass=true fetch --tags --progress 
 > https://git-wip-us.apache.org/repos/asf/hadoop.git 
 > +refs/heads/*:refs/remotes/origin/*
 > git rev-parse refs/remotes/origin/trunk^{commit} # timeout=10
 > git rev-parse refs/remotes/origin/origin/trunk^{commit} # timeout=10
Checking out Revision bddea5fe5fe72eee8e2ecfcec616bd8ceb4d72e7 
(refs/remotes/origin/trunk)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f bddea5fe5fe72eee8e2ecfcec616bd8ceb4d72e7
 > git rev-list bddea5fe5fe72eee8e2ecfcec616bd8ceb4d72e7 # timeout=10
Cleaning workspace
 > git rev-parse --verify HEAD # timeout=10
Resetting working tree
 > git reset --hard # timeout=10
 > git clean -fdx # timeout=10
No emails were triggered.
[PreCommit-YARN-Build] $ /bin/bash /tmp/hudson2198946111292113128.sh
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed

  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
100  316k  100  316k    0     0   788k      0 --:--:-- --:--:-- --:--:--  790k
Modes:  MultiJDK  Jenkins  Robot  Docker  ResetRepo  UnitTests 
Processing: YARN-5170
YARN-5170 patch is being downloaded at Tue Jun  7 08:28:40 UTC 2016 from
  
https://issues.apache.org/jira/secure/attachment/12808608/YARN-5170-YARN-2928.03.patch
 -> Downloaded


============================================================================
============================================================================
                        Confirming git environment
============================================================================
============================================================================


HEAD is now at bddea5f YARN-5118. Tests fails with localizer port bind 
exception. Contributed by Brahma Reddy Battula.
Previous HEAD position was bddea5f... YARN-5118. Tests fails with localizer 
port bind exception. Contributed by Brahma Reddy Battula.
Switched to branch 'trunk'
Your branch is behind 'origin/trunk' by 3 commits, and can be fast-forwarded.
  (use "git pull" to update your local branch)
First, rewinding head to replay your work on top of it...
Fast-forwarded trunk to bddea5fe5fe72eee8e2ecfcec616bd8ceb4d72e7.
Switched to branch 'YARN-2928'
Your branch and 'origin/YARN-2928' have diverged,
and have 85 and 793 different commits each, respectively.
  (use "git pull" to merge the remote branch into yours)
First, rewinding head to replay your work on top of it...
Applying: YARN-3063. Bootstrapping TimelineServer next generation module. 
Contributed by Zhijie Shen.
Using index info to reconstruct a base tree...
M       hadoop-project/pom.xml
A       hadoop-yarn-project/CHANGES.txt
M       hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/pom.xml
<stdin>:47: trailing whitespace.
Trunk - Unreleased 
warning: 1 line adds whitespace errors.
Falling back to patching base and 3-way merge...
Auto-merging hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/pom.xml
CONFLICT (content): Merge conflict in 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/pom.xml
Auto-merging 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/pom.xml
CONFLICT (add/add): Merge conflict in 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/pom.xml
CONFLICT (modify/delete): hadoop-yarn-project/CHANGES.txt deleted in HEAD and 
modified in YARN-3063. Bootstrapping TimelineServer next generation module. 
Contributed by Zhijie Shen.. Version YARN-3063. Bootstrapping TimelineServer 
next generation module. Contributed by Zhijie Shen. of 
hadoop-yarn-project/CHANGES.txt left in tree.
Auto-merging hadoop-project/pom.xml
CONFLICT (content): Merge conflict in hadoop-project/pom.xml
Failed to merge in the changes.
Patch failed at 0001 YARN-3063. Bootstrapping TimelineServer next generation 
module. Contributed by Zhijie Shen.
The copy of the patch that failed is found in:
   
/home/jenkins/jenkins-slave/workspace/PreCommit-YARN-Build/.git/rebase-apply/patch

When you have resolved this problem, run "git rebase --continue".
If you prefer to skip this patch, run "git rebase --skip" instead.
To check out the original branch and stop rebasing, run "git rebase --abort".

ERROR: git pull is failing


============================================================================
============================================================================
                              Finished build.
============================================================================
============================================================================


chmod: missing operand after 'u+w'
Try 'chmod --help' for more information.
Build step 'Execute shell' marked build as failure
Archiving artifacts
Compressed 579.69 KB of artifacts by 49.7% relative to #11867
[description-setter] Could not determine description.
Recording test results
ERROR: Step ?Publish JUnit test result report? failed: No test report files 
were found. Configuration error?
Email was triggered for: Failure - Any
Sending email for trigger: Failure - Any
#11868 is still in progress; ignoring for purposes of comparison
An attempt to send an e-mail to empty list of recipients, ignored.
Finished: FAILURE
{code}

> Eliminate singleton converters and static method access
> -------------------------------------------------------
>
>                 Key: YARN-5170
>                 URL: https://issues.apache.org/jira/browse/YARN-5170
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: YARN-2928
>            Reporter: Joep Rottinghuis
>            Assignee: Joep Rottinghuis
>         Attachments: YARN-5170-YARN-2928.01.patch, 
> YARN-5170-YARN-2928.02.patch, YARN-5170-YARN-2928.03.patch
>
>
> As part of YARN-5109 we introduced several KeyConverter classes.
> To stay consistent with the existing LongConverter in the sample patch I 
> created I made these other converter classes singleton as well.
> In conversation with [~sjlee0] who has a general dislike of singletons, we 
> discussed it is best to get rid of these singletons and make them simply 
> instance variables.
> There are other classes where the keys have static methods referring to a 
> singleton converter.
> Moreover, it turns out that due to code evolution we end up creating the same 
> keys several times.
> So general approach is to not re-instantiate rowkeys, converters when not 
> needed.
> I would like to create the byte[] rowKey in the RowKey classes their 
> constructor, but that would leak an incomplete object to the converter.
> There are a few method in TimelineStorageUtils that are used only once, or 
> only by one class, as part of this refactor I'll move these to keep the 
> "Utils" class as small as possible and keep them for truly generally used 
> utils that don't really belong anywhere else.



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