[jira] [Updated] (KUDU-776) Improve handling of unresolvable master hostnames

["Mike Percy (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KUDU-776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mike Percy updated KUDU-776:
----------------------------
    Parent: KUDU-435

> Improve handling of unresolvable master hostnames
> -------------------------------------------------
>
>                 Key: KUDU-776
>                 URL: https://issues.apache.org/jira/browse/KUDU-776
>             Project: Kudu
>          Issue Type: Sub-task
>          Components: client
>    Affects Versions: M5
>            Reporter: Jean-Daniel Cryans
>            Assignee: Jean-Daniel Cryans
>
> I tried starting a MR job against a malformed hostname (locahost), got this and it just kept on spewing:
> {noformat}
> 2015-05-15 15:28:18,549 (main) [INFO - org.apache.hadoop.metrics.jvm.JvmMetrics.init(JvmMetrics.java:76)] Initializing JVM Metrics with processName=JobTracker, sessionId=
> 2015-05-15 15:28:19,477 (main) [ERROR - org.kududb.client.TabletClient.exceptionCaught(TabletClient.java:644)] Unexpected exception from downstream on [id: 0xe1ed8321]
> java.nio.channels.UnresolvedAddressException
> 	at sun.nio.ch.Net.checkAddress(Net.java:127)
> 	at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:644)
> 	at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink.connect(NioClientSocketPipelineSink.java:108)
> 	at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink.eventSunk(NioClientSocketPipelineSink.java:70)
> 	at org.kududb.client.AsyncKuduClient$TabletClientPipeline.sendDownstream(AsyncKuduClient.java:1458)
> 	at org.jboss.netty.channel.Channels.connect(Channels.java:634)
> 	at org.jboss.netty.channel.AbstractChannel.connect(AbstractChannel.java:207)
> 	at org.kududb.client.AsyncKuduClient.newClient(AsyncKuduClient.java:1187)
> 	at org.kududb.client.AsyncKuduClient.newMasterClient(AsyncKuduClient.java:1160)
> 	at org.kududb.client.AsyncKuduClient.getMasterTableLocationsPB(AsyncKuduClient.java:873)
> 	at org.kududb.client.AsyncKuduClient.locateTablet(AsyncKuduClient.java:845)
> 	at org.kududb.client.AsyncKuduClient.sendRpcToTablet(AsyncKuduClient.java:555)
> 	at org.kududb.client.AsyncKuduClient.getTableSchema(AsyncKuduClient.java:345)
> 	at org.kududb.client.AsyncKuduClient.openTable(AsyncKuduClient.java:397)
> 	at org.kududb.client.KuduClient.openTable(KuduClient.java:189)
> 	at org.kududb.mapreduce.KuduTableInputFormat.setConf(KuduTableInputFormat.java:225)
> 	at ...
> 2015-05-15 15:28:19,481 (main) [ERROR - org.kududb.client.AsyncKuduClient.getIP(AsyncKuduClient.java:1541)] Failed to resolve the IP of `localhot' in 55597ns
> 2015-05-15 15:28:19,481 (main) [ERROR - org.kududb.client.AsyncKuduClient$TabletClientPipeline.handleDisconnect(AsyncKuduClient.java:1505)] Uncaught exception when handling a disconnection of [id: 0xe1ed8321]
> java.lang.IllegalArgumentException: hostname can't be null
> 	at java.net.InetSocketAddress.checkHost(InetSocketAddress.java:149)
> 	at java.net.InetSocketAddress.<init>(InetSocketAddress.java:216)
> 	at org.kududb.client.AsyncKuduClient.slowSearchClientIP(AsyncKuduClient.java:1371)
> 	at org.kududb.client.AsyncKuduClient.access$1500(AsyncKuduClient.java:112)
> 	at org.kududb.client.AsyncKuduClient$TabletClientPipeline.handleDisconnect(AsyncKuduClient.java:1496)
> 	at org.kududb.client.AsyncKuduClient$TabletClientPipeline.sendDownstream(AsyncKuduClient.java:1456)
> 	at org.jboss.netty.channel.Channels.close(Channels.java:812)
> 	at org.kududb.client.TabletClient.exceptionCaught(TabletClient.java:647)
> 	at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:112)
> 	at org.kududb.client.TabletClient.handleUpstream(TabletClient.java:568)
> 	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
> 	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
> 	at org.kududb.client.AsyncKuduClient$TabletClientPipeline.sendUpstream(AsyncKuduClient.java:1466)
> 	at org.jboss.netty.channel.Channels.fireExceptionCaught(Channels.java:525)
> 	...
> 2015-05-15 15:28:19,488 (main) [WARN - org.kududb.client.GetMasterRegistrationReceived$GetMasterRegistrationErrCB.call(GetMasterRegistrationReceived.java:171)] Error receiving a response from: localhot:61000
> org.kududb.client.ConnectionResetException
> 	at org.kududb.client.TabletClient.sendRpc(TabletClient.java:175)
> 	at org.kududb.client.AsyncKuduClient.getMasterRegistration(AsyncKuduClient.java:1148)
> 	at org.kududb.client.AsyncKuduClient.getMasterTableLocationsPB(AsyncKuduClient.java:874)
> 	at org.kududb.client.AsyncKuduClient.locateTablet(AsyncKuduClient.java:845)
> 	at org.kududb.client.AsyncKuduClient.sendRpcToTablet(AsyncKuduClient.java:555)
> 	at org.kududb.client.AsyncKuduClient.getTableSchema(AsyncKuduClient.java:345)
> 	at org.kududb.client.AsyncKuduClient.openTable(AsyncKuduClient.java:397)
> 	at org.kududb.client.KuduClient.openTable(KuduClient.java:189)
> 	at org.kududb.mapreduce.KuduTableInputFormat.setConf(KuduTableInputFormat.java:225)
> 	at ...
> {noformat}



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