Hi Gour, Will try to access the AM Web UI next time the issue happens. Is there anything specific that should be checked within the AM UI ? Or is the test just to see if AM UI is accessible at all ?
Thanks, Manoj On Thu, Sep 21, 2017 at 11:26 AM, Gour Saha <gs...@hortonworks.com> wrote: > Are you able to go to the RM UI and load the ApplicationMaster web ui for > this app? > > -Gour > > On 9/21/17, 11:00 AM, "Manoj Samel" <manojsamelt...@gmail.com> wrote: > > >Any thoughts ? > > > >On Mon, Sep 18, 2017 at 3:22 PM, Manoj Samel <manojsamelt...@gmail.com> > >wrote: > > > >> > >> CDH 5.5.1 cluster with Kerberos, slider version 0.80 > >> > >> Sometimes Slider commands start hanging > >> > >> slider list <app> --containers > >> > >> [r...@s-76zyl02.sys.az1.eng.pdx.wd ~]# slider list spas --containers > >> 2017-09-18 21:44:45,659 [main] INFO tools.SliderUtils - JVM initialized > >> into secure mode with kerberos realm BIGDATA > >> Exception: Call From <host running command>/<host_ip> to > >><slider_AM_HOST> > >> failed on socket timeout exception: java.net.SocketTimeoutException: > >> 15000 millis timeout while waiting for channel to be ready for read. ch > >>: > >> java.nio.channels.SocketChannel[connected local=/<slider > >> command_host>:46777 remote=<host_running_slider_am>/<IP of host running > >> slider am>:32120]; For more details see: http://wiki.apache.org/ > >> hadoop/SocketTimeout > >> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native > >> Method) > >> at sun.reflect.NativeConstructorAccessorImpl.newInstance( > >> NativeConstructorAccessorImpl.java:62) > >> at sun.reflect.DelegatingConstructorAccessorImpl.newInstance( > >> DelegatingConstructorAccessorImpl.java:45) > >> at java.lang.reflect.Constructor.newInstance(Constructor.java:422) > >> at org.apache.hadoop.net.NetUtils.wrapWithMessage( > NetUtils.java:791) > >> at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:750) > >> at org.apache.hadoop.ipc.Client.call(Client.java:1476) > >> at org.apache.hadoop.ipc.Client.call(Client.java:1403) > >> at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker. > >> invoke(ProtobufRpcEngine.java:230) > >> at com.sun.proxy.$Proxy19.getLiveContainers(Unknown Source) > >> at > >>org.apache.slider.server.appmaster.rpc.SliderClusterProtocolProxy. > >> getLiveContainers(SliderClusterProtocolProxy.java:229) > >> at > >>org.apache.slider.client.ipc.SliderClusterOperations.getContainers( > >> SliderClusterOperations.java:458) > >> at org.apache.slider.client.SliderClient.getContainers( > >> SliderClient.java:2763) > >> at org.apache.slider.client.SliderClient.actionList( > >> SliderClient.java:2735) > >> at org.apache.slider.client.SliderClient.exec( > SliderClient.java:510) > >> at org.apache.slider.client.SliderClient.runService( > >> SliderClient.java:424) > >> at org.apache.slider.core.main.ServiceLauncher.launchService( > >> ServiceLauncher.java:188) > >> at > >>org.apache.slider.core.main.ServiceLauncher.launchServiceRobustly( > >> ServiceLauncher.java:475) > >> at org.apache.slider.core.main.ServiceLauncher. > launchServiceAndExit( > >> ServiceLauncher.java:403) > >> at org.apache.slider.core.main.ServiceLauncher.serviceMain( > >> ServiceLauncher.java:630) > >> at org.apache.slider.Slider.main(Slider.java:49) > >> Caused by: java.net.SocketTimeoutException: 15000 millis timeout while > >> waiting for channel to be ready for read. ch : > >>java.nio.channels.SocketChannel[connected > >> local=/<Local_IP>:46777 > >>remote=<Slider_AM_HOST>/<slider_am_host_ip>:32120] > >> at org.apache.hadoop.net.SocketIOWithTimeout.doIO( > >> SocketIOWithTimeout.java:164) > >> at org.apache.hadoop.net.SocketInputStream.read( > >> SocketInputStream.java:161) > >> at org.apache.hadoop.net.SocketInputStream.read( > >> SocketInputStream.java:131) > >> at java.io.FilterInputStream.read(FilterInputStream.java:133) > >> at java.io.FilterInputStream.read(FilterInputStream.java:133) > >> at org.apache.hadoop.ipc.Client$Connection$PingInputStream. > >> read(Client.java:515) > >> at java.io.BufferedInputStream.fill(BufferedInputStream.java:246) > >> at java.io.BufferedInputStream.read(BufferedInputStream.java:265) > >> at java.io.DataInputStream.readInt(DataInputStream.java:387) > >> at org.apache.hadoop.ipc.Client$Connection.receiveRpcResponse( > >> Client.java:1075) > >> at org.apache.hadoop.ipc.Client$Connection.run(Client.java:970) > >> 2017-09-18 21:45:01,499 [main] INFO util.ExitUtil - Exiting with > >>status 56 > >> > >> > >> Slider AM Log Shows no errors. The only warning I can see is about TGT > >> renewer > >> > >> 2017-09-18 15:40:57,009 [TGT Renewer for xyz@mydomain] WARN > >> security.UserGroupInformation - Exception encountered while running the > >> renewal command. Aborting renew thread. ExitCodeException exitCode=1: > >> kinit: Ticket expired while renewing credentials > >> 2017-09-18 15:43:29,536 [Socket Reader #1 for port 32120] INFO > >>ipc.Server > >> - Auth successful for xyz@mydomain (auth:SIMPLE) > >> 2017-09-18 15:43:29,537 [Socket Reader #1 for port 32120] INFO > >>authorize.ServiceAuthorizationManager > >> - Authorization successful for xyz@mydomain (auth:TOKEN) for > >> protocol=interface org.apache.slider.server.appmaster.rpc. > >> SliderClusterProtocolPB > >> 2017-09-18 15:48:29,569 [Socket Reader #1 for port 32120] INFO > >>ipc.Server > >> - Auth successful for xyz@mydomain (auth:SIMPLE) > >> 2017-09-18 15:48:29,570 [Socket Reader #1 for port 32120] INFO > >>authorize.ServiceAuthorizationManager > >> - Authorization successful for xyz@mydomain (auth:TOKEN) for > >> protocol=interface org.apache.slider.server.appmaster.rpc. > >> SliderClusterProtocolPB > >> > >