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https://issues.apache.org/jira/browse/YARN-6078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15960466#comment-15960466
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Feng Yuan commented on YARN-6078:
---------------------------------
The NM stack trace seem indicate the localizerRunner thread stuck at the read
pipe from process stdout.
Can you make sure the container-localizer process have start?
> Containers stuck in Localizing state
> ------------------------------------
>
> Key: YARN-6078
> URL: https://issues.apache.org/jira/browse/YARN-6078
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Jagadish
>
> I encountered an interesting issue in one of our Yarn clusters (where the
> containers are stuck in localizing phase).
> Our AM requests a container, and starts a process using the NMClient.
> According to the NM the container is in LOCALIZING state:
> {code}
> 1. 2017-01-09 22:06:18,362 [INFO] [AsyncDispatcher event handler]
> container.ContainerImpl.handle(ContainerImpl.java:1135) - Container
> container_e03_1481261762048_0541_02_000060 transitioned from NEW to LOCALIZING
> 2017-01-09 22:06:18,363 [INFO] [AsyncDispatcher event handler]
> localizer.ResourceLocalizationService$LocalizerTracker.handle(ResourceLocalizationService.java:711)
> - Created localizer for container_e03_1481261762048_0541_02_000060
> 2017-01-09 22:06:18,364 [INFO] [LocalizerRunner for
> container_e03_1481261762048_0541_02_000060]
> localizer.ResourceLocalizationService$LocalizerRunner.writeCredentials(ResourceLocalizationService.java:1191)
> - Writing credentials to the nmPrivate file
> /../..//.nmPrivate/container_e03_1481261762048_0541_02_000060.tokens.
> Credentials list:
> {code}
> According to the RM the container is in RUNNING state:
> {code}
> 2017-01-09 22:06:17,110 [INFO] [IPC Server handler 19 on 8030]
> rmcontainer.RMContainerImpl.handle(RMContainerImpl.java:410) -
> container_e03_1481261762048_0541_02_000060 Container Transitioned from
> ALLOCATED to ACQUIRED
> 2017-01-09 22:06:19,084 [INFO] [ResourceManager Event Processor]
> rmcontainer.RMContainerImpl.handle(RMContainerImpl.java:410) -
> container_e03_1481261762048_0541_02_000060 Container Transitioned from
> ACQUIRED to RUNNING
> {code}
> When I click the Yarn RM UI to view the logs for the container, I get an
> error
> that
> {code}
> No logs were found. state is LOCALIZING
> {code}
> The Node manager 's stack trace seems to indicate that the NM's
> LocalizerRunner is stuck waiting to read from the sub-process's outputstream.
> {code}
> "LocalizerRunner for container_e03_1481261762048_0541_02_000060" #27007081
> prio=5 os_prio=0 tid=0x00007fa518849800 nid=0x15f7 runnable
> [0x00007fa5076c3000]
> java.lang.Thread.State: RUNNABLE
> at java.io.FileInputStream.readBytes(Native Method)
> at java.io.FileInputStream.read(FileInputStream.java:255)
> at java.io.BufferedInputStream.read1(BufferedInputStream.java:284)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
> - locked <0x00000000c6dc9c50> (a
> java.lang.UNIXProcess$ProcessPipeInputStream)
> at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284)
> at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326)
> at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
> - locked <0x00000000c6dc9c78> (a java.io.InputStreamReader)
> at java.io.InputStreamReader.read(InputStreamReader.java:184)
> at java.io.BufferedReader.fill(BufferedReader.java:161)
> at java.io.BufferedReader.read1(BufferedReader.java:212)
> at java.io.BufferedReader.read(BufferedReader.java:286)
> - locked <0x00000000c6dc9c78> (a java.io.InputStreamReader)
> at
> org.apache.hadoop.util.Shell$ShellCommandExecutor.parseExecResult(Shell.java:786)
> at org.apache.hadoop.util.Shell.runCommand(Shell.java:568)
> at org.apache.hadoop.util.Shell.run(Shell.java:479)
> at
> org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:773)
> at
> org.apache.hadoop.yarn.server.nodemanager.LinuxContainerExecutor.startLocalizer(LinuxContainerExecutor.java:237)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService$LocalizerRunner.run(ResourceLocalizationService.java:1113)
> {code}
> I did a {code}ps aux{code} and confirmed that there was no container-executor
> process running with INITIALIZE_CONTAINER that the localizer starts. It seems
> that the output stream pipe of the process is still not closed (even though
> the localizer process is no longer present).
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