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From "Abhishek Girish (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-1797) Drillbit.sh fails to stop Drillbit processes
Date Mon, 05 Jan 2015 05:00:35 GMT

    [ https://issues.apache.org/jira/browse/DRILL-1797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14264181#comment-14264181
] 

Abhishek Girish commented on DRILL-1797:
----------------------------------------

Upon further checks, only the Drillbit.pid file shows different ownership. I login only using
the user "root" on my clusters, which are also installed using the "root" login. On this particular
cluster where the issue was seen, IT had helped create the setup and had used the "mapr" login.
This was overlooked at the time of filing the JIRA.

The issue can be marked resolved (invalid). 

> Drillbit.sh fails to stop Drillbit processes
> --------------------------------------------
>
>                 Key: DRILL-1797
>                 URL: https://issues.apache.org/jira/browse/DRILL-1797
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Tools, Build & Test
>            Reporter: Abhishek Girish
>            Assignee: Jacques Nadeau
>
> The drillbit.sh script which on stop does a kill -0 on the drillbit PID fails to stop
the process. The processes need to be manually killed with a kill -9 and then restarted. 
> The following messages are seen:
> _no drillbit to stop because kill -0 of pid <PID> failed with status 1_
> Drillbit.out indicates an error with permission of the drillbit.pid file and also gives
conflicting errors indicating the drillbit process is already shutdown but the address is
still in use:
> <snippet of drillbit.out file after the command "drillbit.sh restart" followed by
a second "drillbit.sh stop" after a delay of few minutes>
>  
> /opt/mapr/drill/drill-0.6.0/bin/drillbit.sh: line 188: /opt/mapr/drill/drill-0.6.0/drillbit.pid:
Permission denied
> Exception in thread "main" org.apache.drill.exec.exception.DrillbitStartupException:
Failure during initial startup of Drillbit.
>         at org.apache.drill.exec.server.Drillbit.start(Drillbit.java:73)
>         at org.apache.drill.exec.server.Drillbit.start(Drillbit.java:57)
>         at org.apache.drill.exec.server.Drillbit.main(Drillbit.java:80)
> Caused by: org.apache.drill.exec.exception.DrillbitStartupException: Could not bind Drillbit
>         at org.apache.drill.exec.rpc.BasicServer.bind(BasicServer.java:158)
>         at org.apache.drill.exec.service.ServiceEngine.start(ServiceEngine.java:61)
>         at org.apache.drill.exec.server.Drillbit.run(Drillbit.java:145)
>         at org.apache.drill.exec.server.Drillbit.start(Drillbit.java:70)
>         ... 2 more
> Caused by: java.net.BindException: Address already in use
>         at sun.nio.ch.Net.bind0(Native Method)
>         at sun.nio.ch.Net.bind(Net.java:444)
>         at sun.nio.ch.Net.bind(Net.java:436)
>         at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:214)
>         at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
>         at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:125)
>         at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:478)
>         at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1021)
>         at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:455)
>         at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:440)
>         at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:844)
>         at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:197)
>         at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:350)
>         at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:380)
>         at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)
>         at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
>         at java.lang.Thread.run(Thread.java:745)
> Exception in thread "ShutdownHook" java.lang.IllegalStateException: Already closed or
has not been started
>         at com.google.common.base.Preconditions.checkState(Preconditions.java:149)
>         at org.apache.curator.x.discovery.details.ServiceCacheImpl.close(ServiceCacheImpl.java:91)
>         at org.apache.drill.exec.coord.zk.ZKClusterCoordinator.close(ZKClusterCoordinator.java:159)
>         at com.google.common.io.Closeables.close(Closeables.java:77)
>         at com.google.common.io.Closeables.closeQuietly(Closeables.java:108)
>         at org.apache.drill.exec.server.Drillbit.close(Drillbit.java:172)
>         at org.apache.drill.exec.server.Drillbit$ShutdownThread.run(Drillbit.java:186)



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