Hi all – I’m seeing the following exceptions constantly in my YARN logs all
seeming to do with network connectivity:
I’m wondering if you could shed some light on what is happening here. Thanks!
2015-08-26 16:07:23,403 ERROR com.datatorrent.stram.FSEventRecorder: Caught
Exception
java.lang.RuntimeException: java.util.concurrent.TimeoutException: No response
received after 500
at
com.datatorrent.netlet.util.DTThrowable.wrapIfChecked(DTThrowable.java:50)
at com.datatorrent.netlet.util.DTThrowable.rethrow(DTThrowable.java:31)
at
com.datatorrent.common.util.PubSubWebSocketClient.assertUsable(PubSubWebSocketClient.java:291)
at
com.datatorrent.common.util.PubSubWebSocketClient.publish(PubSubWebSocketClient.java:303)
at
com.datatorrent.stram.util.SharedPubSubWebSocketClient.publish(SharedPubSubWebSocketClient.java:113)
at
com.datatorrent.stram.FSEventRecorder$EventRecorderThread.run(FSEventRecorder.java:73)
Caused by: java.util.concurrent.TimeoutException: No response received after 500
at
com.ning.http.client.providers.netty.NettyResponseFuture.get(NettyResponseFuture.java:244)
at
com.datatorrent.common.util.PubSubWebSocketClient.openConnection(PubSubWebSocketClient.java:188)
at
com.datatorrent.stram.util.SharedPubSubWebSocketClient.setup(SharedPubSubWebSocketClient.java:66)
at
com.datatorrent.stram.StreamingContainerManager.setupWsClient(StreamingContainerManager.java:476)
at
com.datatorrent.stram.StreamingContainerManager.<init>(StreamingContainerManager.java:331)
at
com.datatorrent.stram.StreamingContainerManager.getInstance(StreamingContainerManager.java:2828)
at
com.datatorrent.stram.StreamingAppMasterService.serviceInit(StreamingAppMasterService.java:516)
at
org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
at
com.datatorrent.stram.StreamingAppMaster.main(StreamingAppMaster.java:98)
015-08-26 16:08:24,721 ERROR com.datatorrent.stram.FSEventRecorder: Caught
Exception
java.net.ConnectException: connection timed out to ws://10.0.2.15:9090/pubsub
at
com.ning.http.client.providers.netty.NettyConnectListener.operationComplete(NettyConnectListener.java:102)
at
org.jboss.netty.channel.DefaultChannelFuture.notifyListener(DefaultChannelFuture.java:427)
at
org.jboss.netty.channel.DefaultChannelFuture.notifyListeners(DefaultChannelFuture.java:418)
at
org.jboss.netty.channel.DefaultChannelFuture.setFailure(DefaultChannelFuture.java:380)
at
org.jboss.netty.channel.socket.nio.NioClientBoss.processConnectTimeout(NioClientBoss.java:139)
at
org.jboss.netty.channel.socket.nio.NioClientBoss.process(NioClientBoss.java:82)
at
org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:312)
at
org.jboss.netty.channel.socket.nio.NioClientBoss.run(NioClientBoss.java:41)
at
org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
at
org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.net.ConnectException: connection timed out
at
org.jboss.netty.channel.socket.nio.NioClientBoss.processConnectTimeout(NioClientBoss.java:136)
at
org.jboss.netty.channel.socket.nio.NioClientBoss.process(NioClientBoss.java:82)
at
org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:312)
at
org.jboss.netty.channel.socket.nio.NioClientBoss.run(NioClientBoss.java:41)
... 3 more
2015-08-26 16:08:14,560 ERROR com.datatorrent.stram.FSEventRecorder: Caught
Exception
java.io.IOException: Connection is not open
at
com.datatorrent.common.util.PubSubWebSocketClient.assertUsable(PubSubWebSocketClient.java:280)
at
com.datatorrent.common.util.PubSubWebSocketClient.publish(PubSubWebSocketClient.java:303)
at
com.datatorrent.stram.util.SharedPubSubWebSocketClient.publish(SharedPubSubWebSocketClient.java:113)
at
com.datatorrent.stram.FSEventRecorder$EventRecorderThread.run(FSEventRecorder.java:73)
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