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From "Bibin A Chundatt (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6072) RM unable to start in secure mode
Date Tue, 17 Jan 2017 17:18:26 GMT

    [ https://issues.apache.org/jira/browse/YARN-6072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15826411#comment-15826411
] 

Bibin A Chundatt commented on YARN-6072:
----------------------------------------

[~zhz]
{quote}
 does branch-2.7 have the issue?
{quote}
Not applicable for 2.7

> RM unable to start in secure mode
> ---------------------------------
>
>                 Key: YARN-6072
>                 URL: https://issues.apache.org/jira/browse/YARN-6072
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.8.0, 3.0.0-alpha2
>            Reporter: Bibin A Chundatt
>            Assignee: Ajith S
>            Priority: Blocker
>             Fix For: 2.8.0, 2.9.0, 3.0.0-alpha2
>
>         Attachments: hadoop-secureuser-resourcemanager-vm1.log, YARN-6072.01.branch-2.8.patch,
YARN-6072.01.branch-2.patch, YARN-6072.01.patch, YARN-6072.02.patch, YARN-6072.03.branch-2.8.patch,
YARN-6072.03.patch
>
>
> Resource manager is unable to start in secure mode
> {code}
> 2017-01-08 14:27:29,917 INFO org.apache.hadoop.conf.Configuration: found resource hadoop-policy.xml
at file:/opt/hadoop/release/hadoop-3.0.0-alpha2-SNAPSHOT/etc/hadoop/hadoop-policy.xml
> 2017-01-08 14:27:29,918 INFO org.apache.hadoop.yarn.server.resourcemanager.AdminService:
Refresh All
> java.lang.NullPointerException
>         at org.apache.hadoop.yarn.server.resourcemanager.AdminService.refreshServiceAcls(AdminService.java:569)
>         at org.apache.hadoop.yarn.server.resourcemanager.AdminService.refreshServiceAcls(AdminService.java:552)
>         at org.apache.hadoop.yarn.server.resourcemanager.AdminService.refreshAll(AdminService.java:707)
>         at org.apache.hadoop.yarn.server.resourcemanager.AdminService.transitionToActive(AdminService.java:302)
>         at org.apache.hadoop.yarn.server.resourcemanager.ActiveStandbyElectorBasedElectorService.becomeActive(ActiveStandbyElectorBasedElectorService.java:142)
>         at org.apache.hadoop.ha.ActiveStandbyElector.becomeActive(ActiveStandbyElector.java:888)
>         at org.apache.hadoop.ha.ActiveStandbyElector.processResult(ActiveStandbyElector.java:467)
>         at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:599)
>         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:498)
> 2017-01-08 14:27:29,919 ERROR org.apache.hadoop.yarn.server.resourcemanager.AdminService:
RefreshAll failed so firing fatal event
> org.apache.hadoop.ha.ServiceFailedException
>         at org.apache.hadoop.yarn.server.resourcemanager.AdminService.refreshAll(AdminService.java:712)
>         at org.apache.hadoop.yarn.server.resourcemanager.AdminService.transitionToActive(AdminService.java:302)
>         at org.apache.hadoop.yarn.server.resourcemanager.ActiveStandbyElectorBasedElectorService.becomeActive(ActiveStandbyElectorBasedElectorService.java:142)
>         at org.apache.hadoop.ha.ActiveStandbyElector.becomeActive(ActiveStandbyElector.java:888)
>         at org.apache.hadoop.ha.ActiveStandbyElector.processResult(ActiveStandbyElector.java:467)
>         at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:599)
>         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:498)
> 2017-01-08 14:27:29,920 INFO org.apache.hadoop.ipc.Server: Starting Socket Reader #1
for port 8033
> 2017-01-08 14:27:29,948 WARN org.apache.hadoop.ha.ActiveStandbyElector: Exception handling
the winning of election
> org.apache.hadoop.ha.ServiceFailedException: RM could not transition to Active
>         at org.apache.hadoop.yarn.server.resourcemanager.ActiveStandbyElectorBasedElectorService.becomeActive(ActiveStandbyElectorBasedElectorService.java:144)
>         at org.apache.hadoop.ha.ActiveStandbyElector.becomeActive(ActiveStandbyElector.java:888)
>         at org.apache.hadoop.ha.ActiveStandbyElector.processResult(ActiveStandbyElector.java:467)
>         at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:599)
>         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:498)
> Caused by: org.apache.hadoop.ha.ServiceFailedException: Error on refreshAll during transition
to Active
>         at org.apache.hadoop.yarn.server.resourcemanager.AdminService.transitionToActive(AdminService.java:311)
>         at org.apache.hadoop.yarn.server.resourcemanager.ActiveStandbyElectorBasedElectorService.becomeActive(ActiveStandbyElectorBasedElectorService.java:142)
>         ... 4 more
> Caused by: org.apache.hadoop.ha.ServiceFailedException
>         at org.apache.hadoop.yarn.server.resourcemanager.AdminService.refreshAll(AdminService.java:712)
>         at org.apache.hadoop.yarn.server.resourcemanager.AdminService.transitionToActive(AdminService.java:302)
>         ... 5 more
> {code}
> ResourceManager services are added in following order
> # EmbeddedElector
> # AdminService
> During resource manager service start() .EmbeddedElector starts first and invokes  {{AdminService#refreshAll()}}
but {{AdminService#serviceStart()}} happens after {{ActiveStandbyElectorBasedElectorService}}
service start is complete. So {{AdminService#server}} will be *null* which causes  {{AdminService#refreshAll()}}
 to fail
> {code}
>       if (getConfig().getBoolean(
>           CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHORIZATION,
>           false)) {
>         refreshServiceAcls();
>       }
> {code}



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