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From Omkar Joshi <ojo...@hortonworks.com>
Subject Re: can not start yarn
Date Wed, 10 Jul 2013 21:19:27 GMT
probably you should run "jps" everytime you start/stop NM/RM. just for you
to know whether RM/NM started/stopped successfully or not.
devaraj is right.. try checking RM logs..

Thanks,
Omkar Joshi
*Hortonworks Inc.* <http://www.hortonworks.com>


On Tue, Jul 9, 2013 at 8:20 PM, Devaraj k <devaraj.k@huawei.com> wrote:

>  Hi,****
>
> ** **
>
>    Here NM is failing to connect to Resource Manager.  ****
>
> ** **
>
> Have you started the Resource Manager successfully? Or Do you see any
> problem while starting Resource Manager in RM log..****
>
> ** **
>
> If you have started the Resource Manager in different machine other than
> NM, you need to set this configuration for NM
> “yarn.resourcemanager.resource-tracker.address” with RM resource tracker
> address.****
>
> ** **
>
> ** **
>
> Thanks****
>
> Devaraj k****
>
> ** **
>
> *From:* ch huang [mailto:justlooks@gmail.com]
> *Sent:* 10 July 2013 08:36
> *To:* user@hadoop.apache.org
> *Subject:* can not start yarn****
>
> ** **
>
> i am testing mapreducev2 ,i find i start NM error****
>
>  ****
>
> here is NM log content****
>
>  ****
>
> 2013-07-10 11:02:35,909 INFO
> org.apache.hadoop.yarn.service.AbstractService:
> Service:org.apache.hadoop.yarn.server.nodemanager.webapp.WebServer is
> started.
> 2013-07-10 11:02:35,909 INFO
> org.apache.hadoop.yarn.service.AbstractService: Service:Dispatcher is
> started.
> 2013-07-10 11:02:35,930 INFO
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Connecting
> to ResourceManager at /0.0.0.0:8031
> 2013-07-10 11:02:37,209 INFO org.apache.hadoop.ipc.Client: Retrying
> connect to server: 0.0.0.0/0.0.0.0:8031. Already tried 0 time(s); retry
> policy is RetryUpToMaximumCountWithFi
> xedSleep(maxRetries=10, sleepTime=1 SECONDS)
> 2013-07-10 11:02:38,210 INFO org.apache.hadoop.ipc.Client: Retrying
> connect to server: 0.0.0.0/0.0.0.0:8031. Already tried 1 time(s); retry
> policy is RetryUpToMaximumCountWithFi
> xedSleep(maxRetries=10, sleepTime=1 SECONDS)
> 2013-07-10 11:02:39,211 INFO org.apache.hadoop.ipc.Client: Retrying
> connect to server: 0.0.0.0/0.0.0.0:8031. Already tried 2 time(s); retry
> policy is RetryUpToMaximumCountWithFi
> xedSleep(maxRetries=10, sleepTime=1 SECONDS)
> 2013-07-10 11:02:40,212 INFO org.apache.hadoop.ipc.Client: Retrying
> connect to server: 0.0.0.0/0.0.0.0:8031. Already tried 3 time(s); retry
> policy is RetryUpToMaximumCountWithFi
> xedSleep(maxRetries=10, sleepTime=1 SECONDS)
> 2013-07-10 11:02:41,213 INFO org.apache.hadoop.ipc.Client: Retrying
> connect to server: 0.0.0.0/0.0.0.0:8031. Already tried 4 time(s); retry
> policy is RetryUpToMaximumCountWithFi
> xedSleep(maxRetries=10, sleepTime=1 SECONDS)
> 2013-07-10 11:02:42,215 INFO org.apache.hadoop.ipc.Client: Retrying
> connect to server: 0.0.0.0/0.0.0.0:8031. Already tried 5 time(s); retry
> policy is RetryUpToMaximumCountWithFi
> xedSleep(maxRetries=10, sleepTime=1 SECONDS)
> 2013-07-10 11:02:43,216 INFO org.apache.hadoop.ipc.Client: Retrying
> connect to server: 0.0.0.0/0.0.0.0:8031. Already tried 6 time(s); retry
> policy is RetryUpToMaximumCountWithFi
> xedSleep(maxRetries=10, sleepTime=1 SECONDS)
> 2013-07-10 11:02:44,217 INFO org.apache.hadoop.ipc.Client: Retrying
> connect to server: 0.0.0.0/0.0.0.0:8031. Already tried 7 time(s); retry
> policy is RetryUpToMaximumCountWithFi
> xedSleep(maxRetries=10, sleepTime=1 SECONDS)
> 2013-07-10 11:02:45,218 INFO org.apache.hadoop.ipc.Client: Retrying
> connect to server: 0.0.0.0/0.0.0.0:8031. Already tried 8 time(s); retry
> policy is RetryUpToMaximumCountWithFi
> xedSleep(maxRetries=10, sleepTime=1 SECONDS)
> 2013-07-10 11:02:46,219 INFO org.apache.hadoop.ipc.Client: Retrying
> connect to server: 0.0.0.0/0.0.0.0:8031. Already tried 9 time(s); retry
> policy is RetryUpToMaximumCountWithFi
> xedSleep(maxRetries=10, sleepTime=1 SECONDS)
> 2013-07-10 11:02:46,226 ERROR
> org.apache.hadoop.yarn.service.CompositeService: Error starting services
> org.apache.hadoop.yarn.server.nodemanager.NodeManager
> org.apache.avro.AvroRuntimeException:
> java.lang.reflect.UndeclaredThrowableException
>         at
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.start(NodeStatusUpdaterImpl.java:141)
>         at
> org.apache.hadoop.yarn.service.CompositeService.start(CompositeService.java:68)
>         at
> org.apache.hadoop.yarn.server.nodemanager.NodeManager.start(NodeManager.java:196)
>         at
> org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:329)
>         at
> org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:351)
> Caused by: java.lang.reflect.UndeclaredThrowableException
>         at
> org.apache.hadoop.yarn.exceptions.impl.pb.YarnRemoteExceptionPBImpl.unwrapAndThrowException(YarnRemoteExceptionPBImpl.java:135)
>         at
> org.apache.hadoop.yarn.server.api.impl.pb.client.ResourceTrackerPBClientImpl.registerNodeManager(ResourceTrackerPBClientImpl.java:61)
>         at
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.registerWithRM(NodeStatusUpdaterImpl.java:190)
>         at
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.start(NodeStatusUpdaterImpl.java:137)
>         ... 4 more
> Caused by: com.google.protobuf.ServiceException:
> java.net.ConnectException: Call From CH34/192.168.10.34 to 0.0.0.0:8031failed on connection
exception: java.net.ConnectException: Connection
> refused; For more details see:
> http://wiki.apache.org/hadoop/ConnectionRefused
>         at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:212)
>         at $Proxy24.registerNodeManager(Unknown Source)
>         at
> org.apache.hadoop.yarn.server.api.impl.pb.client.ResourceTrackerPBClientImpl.registerNodeManager(ResourceTrackerPBClientImpl.java:59)
>         ... 6 more
> Caused by: java.net.ConnectException: Call From CH34/192.168.10.34 to
> 0.0.0.0:8031 failed on connection exception: java.net.ConnectException:
> Connection refused; For more details see:
> http://wiki.apache.org/hadoop/ConnectionRefused
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)****
>

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