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From "Christopher Tubbs (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (ACCUMULO-2496) Monitor reporting up tserver as down
Date Mon, 22 Apr 2019 23:52:00 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-2496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Christopher Tubbs resolved ACCUMULO-2496.
-----------------------------------------
    Resolution: Cannot Reproduce

> Monitor reporting up tserver as down
> ------------------------------------
>
>                 Key: ACCUMULO-2496
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2496
>             Project: Accumulo
>          Issue Type: Bug
>    Affects Versions: 1.5.1
>            Reporter: John Vines
>            Priority: Major
>
> While attempting to reproduce ACCUMULO-2361, I got into a state where the monitor was
reporting my one tserver offline, but the tserver was still running. Lock was still in place
the only issue the monitor seems to have had with it is {code} Error processing table state
for store Normal Tablets
> 	org.apache.thrift.transport.TTransportException: java.net.SocketTimeoutException: 120000
millis timeout while waiting for channel to be ready for write. ch : java.nio.channels.SocketChannel[connected
local=/127.0.0.1:44528 remote=/127.0.0.1:9997]
> 		at org.apache.thrift.transport.TIOStreamTransport.flush(TIOStreamTransport.java:161)
> 		at org.apache.thrift.transport.TFramedTransport.flush(TFramedTransport.java:158)
> 		at org.apache.accumulo.core.client.impl.ThriftTransportPool$CachedTTransport.flush(ThriftTransportPool.java:317)
> 		at org.apache.thrift.TServiceClient.sendBase(TServiceClient.java:65)
> 		at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.send_loadTablet(TabletClientService.java:527)
> 		at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.loadTablet(TabletClientService.java:517)
> 		at org.apache.accumulo.server.master.LiveTServerSet$TServerConnection.assignTablet(LiveTServerSet.java:87)
> 		at org.apache.accumulo.server.master.Master$TabletGroupWatcher.flushChanges(Master.java:1877)
> 		at org.apache.accumulo.server.master.Master$TabletGroupWatcher.run(Master.java:1423)
> 	Caused by: java.net.SocketTimeoutException: 120000 millis timeout while waiting for
channel to be ready for write. ch : java.nio.channels.SocketChannel[connected local=/127.0.0.1:44528
remote=/127.0.0.1:9997]
> 		at org.apache.hadoop.net.SocketIOWithTimeout.doIO(SocketIOWithTimeout.java:164)
> 		at org.apache.hadoop.net.SocketOutputStream.write(SocketOutputStream.java:146)
> 		at org.apache.hadoop.net.SocketOutputStream.write(SocketOutputStream.java:107)
> 		at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
> 		at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
> 		at org.apache.thrift.transport.TIOStreamTransport.flush(TIOStreamTransport.java:159)
> 		... 8 more {code}



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