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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ACCUMULO-4065) Strange temporary errors in Master after upgrade
Date Fri, 27 Nov 2015 17:22:11 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-4065?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Josh Elser updated ACCUMULO-4065:
---------------------------------
    Affects Version/s: 1.6.4

> Strange temporary errors in Master after upgrade
> ------------------------------------------------
>
>                 Key: ACCUMULO-4065
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-4065
>             Project: Accumulo
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 1.6.4, 1.7.0
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>             Fix For: 1.6.5, 1.7.1, 1.8.0
>
>
> I'm running into a problem that I saw quite a while back in ACCUMULO-3653
> I'm still trying to understand what happened, but what I understand so far is that, Accumulo
was running, a newer version was installed beside the running version, Accumulo was stopped,
the symlink changed, and the new version was started. After this, we started seeing a number
of errors in the Master. Shortly after that, the cluster was restarted and the errors stopped
happening.
> This is what I can extract from the logs:
> {noformat}
> 2015-11-19 22:42:47,115 [rpc.TServerUtils] DEBUG: Instantiating default, unsecure custom
half-async Thrift server
> 2015-11-19 22:42:47,122 [master.Master] INFO : Started replication coordinator service
at host3:10001
> 2015-11-19 22:42:47,158 [master.Master] ERROR: Error processing table state for store
Normal Tablets
> java.lang.RuntimeException: java.lang.RuntimeException: Failed to create iterator
> 	at org.apache.accumulo.server.master.state.MetaDataTableScanner.<init>(MetaDataTableScanner.java:72)
> 	at org.apache.accumulo.server.master.state.MetaDataTableScanner.<init>(MetaDataTableScanner.java:56)
> 	at org.apache.accumulo.server.master.state.MetaDataStateStore.iterator(MetaDataStateStore.java:62)
> 	at org.apache.accumulo.master.TabletGroupWatcher.run(TabletGroupWatcher.java:172)
> Caused by: java.lang.RuntimeException: Failed to create iterator
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.<init>(TabletServerBatchReaderIterator.java:158)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReader.iterator(TabletServerBatchReader.java:115)
> 	at org.apache.accumulo.server.master.state.MetaDataTableScanner.<init>(MetaDataTableScanner.java:66)
> 	... 3 more
> Caused by: org.apache.accumulo.core.client.impl.AccumuloServerException: Error on server
host3:9997
> 	at org.apache.accumulo.core.client.impl.ThriftScanner.getBatchFromServer(ThriftScanner.java:116)
> 	at org.apache.accumulo.core.metadata.MetadataLocationObtainer.lookupTablet(MetadataLocationObtainer.java:95)
> 	at org.apache.accumulo.core.client.impl.TabletLocatorImpl.lookupTabletLocation(TabletLocatorImpl.java:463)
> 	at org.apache.accumulo.core.client.impl.TabletLocatorImpl.lookupTabletLocationAndCheckLock(TabletLocatorImpl.java:634)
> 	at org.apache.accumulo.core.client.impl.TabletLocatorImpl._locateTablet(TabletLocatorImpl.java:625)
> 	at org.apache.accumulo.core.client.impl.TabletLocatorImpl.binRanges(TabletLocatorImpl.java:280)
> 	at org.apache.accumulo.core.client.impl.TabletLocatorImpl.binRanges(TabletLocatorImpl.java:355)
> 	at org.apache.accumulo.core.client.impl.TimeoutTabletLocator.binRanges(TimeoutTabletLocator.java:100)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.binRanges(TabletServerBatchReaderIterator.java:233)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.lookup(TabletServerBatchReaderIterator.java:220)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.<init>(TabletServerBatchReaderIterator.java:154)
> 	... 5 more
> Caused by: org.apache.thrift.TApplicationException: Internal error processing flush
> 	at org.apache.thrift.TApplicationException.read(TApplicationException.java:111)
> 	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:71)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_startScan(TabletClientService.java:232)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.startScan(TabletClientService.java:208)
> 	at org.apache.accumulo.core.client.impl.ThriftScanner.getBatchFromServer(ThriftScanner.java:98)
> 	... 15 more
> 2015-11-19 22:42:47,178 [impl.ThriftScanner] DEBUG: Scan failed, not serving tablet (+r<<,host4:9997,35121a475360010)
> 2015-11-19 22:42:47,202 [impl.ThriftScanner] DEBUG: Error getting transport to host4:9997
: NotServingTabletException(extent:TKeyExtent(table:2B 72, endRow:null, prevEndRow:null))
> 2015-11-19 22:42:47,283 [impl.ThriftScanner] DEBUG: Scan failed, not serving tablet (+r<<,host4:9997,35121a475360010)
> 2015-11-19 22:42:47,372 [impl.TabletServerBatchReaderIterator] DEBUG: Server : host4:9997
msg : startMultiScan failed: unknown result
> org.apache.thrift.TApplicationException: startMultiScan failed: unknown result
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_startMultiScan(TabletClientService.java:324)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.startMultiScan(TabletClientService.java:297)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:634)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator$QueryTask.run(TabletServerBatchReaderIterator.java:349)
> 	at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 	at java.lang.Thread.run(Thread.java:745)
> 2015-11-19 22:42:47,373 [impl.TabletServerBatchReaderIterator] WARN : Error on server
host4:9997
> org.apache.accumulo.core.client.impl.AccumuloServerException: Error on server host4:9997
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:695)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator$QueryTask.run(TabletServerBatchReaderIterator.java:349)
> 	at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 	at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.thrift.TApplicationException: startMultiScan failed: unknown result
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_startMultiScan(TabletClientService.java:324)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.startMultiScan(TabletClientService.java:297)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:634)
> 	... 6 more
> 2015-11-19 22:42:47,376 [master.Master] ERROR: Error processing table state for store
Metadata Tablets
> java.lang.RuntimeException: org.apache.accumulo.core.client.impl.AccumuloServerException:
Error on server host4:9997
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.hasNext(TabletServerBatchReaderIterator.java:181)
> 	at org.apache.accumulo.server.master.state.MetaDataTableScanner.hasNext(MetaDataTableScanner.java:121)
> 	at org.apache.accumulo.master.TabletGroupWatcher.run(TabletGroupWatcher.java:173)
> Caused by: org.apache.accumulo.core.client.impl.AccumuloServerException: Error on server
host4:9997
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:695)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator$QueryTask.run(TabletServerBatchReaderIterator.java:349)
> 	at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 	at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.thrift.TApplicationException: startMultiScan failed: unknown result
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_startMultiScan(TabletClientService.java:324)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.startMultiScan(TabletClientService.java:297)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:634)
> 	... 6 more
> {noformat}
> A bit later:
> {noformat}
> 2015-11-19 22:43:04,572 [recovery.RecoveryManager] DEBUG: Recovering hdfs://mycluster/apps/accumulo/data/wal/host4+9997/a2831ffa-c980-47bf-9f33-14716a0df6ec
to hdfs://mycluster/apps/accumulo/data/recovery/a2831ffa-c980-47bf-9f33-14716a0df6ec
> 2015-11-19 22:43:04,575 [impl.TabletServerBatchReaderIterator] DEBUG: Server : host4:9997
msg : closeMultiScan failed: out of sequence response
> org.apache.thrift.TApplicationException: closeMultiScan failed: out of sequence response
> 	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:76)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_closeMultiScan(TabletClientService.java:371)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.closeMultiScan(TabletClientService.java:357)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:681)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator$QueryTask.run(TabletServerBatchReaderIterator.java:349)
> 	at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 	at java.lang.Thread.run(Thread.java:745)
> 2015-11-19 22:43:04,575 [impl.TabletServerBatchReaderIterator] WARN : Error on server
host4:9997
> org.apache.accumulo.core.client.impl.AccumuloServerException: Error on server host4:9997
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:695)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator$QueryTask.run(TabletServerBatchReaderIterator.java:349)
> 	at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 	at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.thrift.TApplicationException: closeMultiScan failed: out of sequence
response
> 	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:76)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_closeMultiScan(TabletClientService.java:371)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.closeMultiScan(TabletClientService.java:357)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:681)
> 	... 6 more
> 2015-11-19 22:43:04,576 [master.Master] ERROR: Error processing table state for store
Metadata Tablets
> java.lang.RuntimeException: org.apache.accumulo.core.client.impl.AccumuloServerException:
Error on server host4:9997
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.hasNext(TabletServerBatchReaderIterator.java:181)
> 	at org.apache.accumulo.server.master.state.MetaDataTableScanner.hasNext(MetaDataTableScanner.java:121)
> 	at org.apache.accumulo.master.TabletGroupWatcher.run(TabletGroupWatcher.java:173)
> Caused by: org.apache.accumulo.core.client.impl.AccumuloServerException: Error on server
host4:9997
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:695)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator$QueryTask.run(TabletServerBatchReaderIterator.java:349)
> 	at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 	at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.thrift.TApplicationException: closeMultiScan failed: out of sequence
response
> 	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:76)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_closeMultiScan(TabletClientService.java:371)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.closeMultiScan(TabletClientService.java:357)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:681)
> 	... 6 more
> 2015-11-19 22:43:04,882 [impl.ThriftScanner] DEBUG: Error getting transport to host4:9997
: org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82 but got c
> 2015-11-19 22:43:04,985 [impl.ThriftScanner] DEBUG: Error getting transport to host4:9997
: org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82 but got 0
> 2015-11-19 22:43:05,089 [impl.ThriftScanner] DEBUG: Error getting transport to host4:9997
: org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82 but got 16
> 2015-11-19 22:43:05,192 [impl.ThriftScanner] DEBUG: Error getting transport to host4:9997
: org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82 but got ffffffd6
> 2015-11-19 22:43:05,296 [impl.ThriftScanner] DEBUG: Error getting transport to host4:9997
: org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82 but got fffffff1
> 2015-11-19 22:43:05,399 [impl.ThriftScanner] DEBUG: Error getting transport to host4:9997
: org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82 but got ffffffb7
> 2015-11-19 22:43:05,502 [impl.ThriftScanner] DEBUG: Error getting transport to host4:9997
: org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82 but got ffffffe4
> 2015-11-19 22:43:05,605 [impl.ThriftScanner] DEBUG: Error getting transport to host4:9997
: org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82 but got ffffff98
> 2015-11-19 22:43:05,687 [impl.TabletServerBatchReaderIterator] DEBUG: Server : host4:9997
msg : Expected protocol id ffffff82 but got fffffff7
> org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82 but got
fffffff7
> 	at org.apache.thrift.protocol.TCompactProtocol.readMessageBegin(TCompactProtocol.java:472)
> 	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_startMultiScan(TabletClientService.java:317)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.startMultiScan(TabletClientService.java:297)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:634)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator$QueryTask.run(TabletServerBatchReaderIterator.java:349)
> 	at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 	at java.lang.Thread.run(Thread.java:745)
> 2015-11-19 22:43:05,688 [impl.TabletServerBatchReaderIterator] DEBUG: org.apache.thrift.protocol.TProtocolException:
Expected protocol id ffffff82 but got fffffff7
> java.io.IOException: org.apache.thrift.protocol.TProtocolException: Expected protocol
id ffffff82 but got fffffff7
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:702)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator$QueryTask.run(TabletServerBatchReaderIterator.java:349)
> 	at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 	at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82
but got fffffff7
> 	at org.apache.thrift.protocol.TCompactProtocol.readMessageBegin(TCompactProtocol.java:472)
> 	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_startMultiScan(TabletClientService.java:317)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.startMultiScan(TabletClientService.java:297)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:634)
> 	... 6 more
> 2015-11-19 22:43:05,708 [impl.ThriftScanner] DEBUG: Error getting transport to host4:9997
: org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82 but got ffffffcf
> 2015-11-19 22:43:05,793 [impl.TabletServerBatchReaderIterator] DEBUG: Server : host4:9997
msg : Expected protocol id ffffff82 but got ffffffc6
> org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82 but got
ffffffc6
> 	at org.apache.thrift.protocol.TCompactProtocol.readMessageBegin(TCompactProtocol.java:472)
> 	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_startMultiScan(TabletClientService.java:317)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.startMultiScan(TabletClientService.java:297)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:634)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator$QueryTask.run(TabletServerBatchReaderIterator.java:349)
> 	at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 	at java.lang.Thread.run(Thread.java:745)
> 2015-11-19 22:43:05,794 [impl.TabletServerBatchReaderIterator] DEBUG: org.apache.thrift.protocol.TProtocolException:
Expected protocol id ffffff82 but got ffffffc6
> java.io.IOException: org.apache.thrift.protocol.TProtocolException: Expected protocol
id ffffff82 but got ffffffc6
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:702)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator$QueryTask.run(TabletServerBatchReaderIterator.java:349)
> 	at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 	at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82
but got ffffffc6
> 	at org.apache.thrift.protocol.TCompactProtocol.readMessageBegin(TCompactProtocol.java:472)
> 	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_startMultiScan(TabletClientService.java:317)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.startMultiScan(TabletClientService.java:297)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:634)
> 	... 6 more
> 2015-11-19 22:43:05,810 [impl.ThriftScanner] DEBUG: Error getting transport to host4:9997
: org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82 but got ffffffd4
> 2015-11-19 22:43:05,913 [impl.ThriftScanner] DEBUG: Error getting transport to host4:9997
: org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82 but got 1
> 2015-11-19 22:43:05,960 [impl.ThriftScanner] DEBUG: Error getting transport to host4:9997
: org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82 but got 1c
> 2015-11-19 22:43:05,997 [impl.TabletServerBatchReaderIterator] DEBUG: Server : host4:9997
msg : Expected protocol id ffffff82 but got 19
> org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82 but got
19
> 	at org.apache.thrift.protocol.TCompactProtocol.readMessageBegin(TCompactProtocol.java:472)
> 	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_startMultiScan(TabletClientService.java:317)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.startMultiScan(TabletClientService.java:297)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:634)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator$QueryTask.run(TabletServerBatchReaderIterator.java:349)
> 	at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 	at java.lang.Thread.run(Thread.java:745)
> 2015-11-19 22:43:05,998 [impl.TabletServerBatchReaderIterator] DEBUG: org.apache.thrift.protocol.TProtocolException:
Expected protocol id ffffff82 but got 19
> java.io.IOException: org.apache.thrift.protocol.TProtocolException: Expected protocol
id ffffff82 but got 19
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:702)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator$QueryTask.run(TabletServerBatchReaderIterator.java:349)
> 	at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 	at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82
but got 19
> 	at org.apache.thrift.protocol.TCompactProtocol.readMessageBegin(TCompactProtocol.java:472)
> 	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_startMultiScan(TabletClientService.java:317)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.startMultiScan(TabletClientService.java:297)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:634)
> 	... 6 more
> 2015-11-19 22:43:06,006 [master.Master] WARN : Lost servers [host5:9997[25121a475480008]]
> {noformat}
> And even later
> {noformat}
> 2015-11-19 22:43:41,810 [tracer.ZooTraceClient] DEBUG: Processing event for trace server
zk watch
> 2015-11-19 22:43:41,812 [tracer.ZooTraceClient] DEBUG: Scanning trace hosts in zookeeper:
/tracers
> 2015-11-19 22:43:41,813 [tracer.ZooTraceClient] DEBUG: Trace hosts: [10.240.0.76:12234,
10.240.0.76:12234]
> 2015-11-19 22:43:42,066 [impl.TabletServerBatchReaderIterator] WARN : null column family
> java.lang.IllegalArgumentException: null column family
> 	at org.apache.accumulo.core.data.Key.<init>(Key.java:391)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:647)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator$QueryTask.run(TabletServerBatchReaderIterator.java:349)
> 	at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 	at java.lang.Thread.run(Thread.java:745)
> 2015-11-19 22:43:42,070 [master.Master] ERROR: Error processing table state for store
Metadata Tablets
> java.lang.IllegalArgumentException: null column family
> 	at org.apache.accumulo.core.data.Key.<init>(Key.java:391)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:647)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator$QueryTask.run(TabletServerBatchReaderIterator.java:349)
> 	at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 	at java.lang.Thread.run(Thread.java:745)
> 2015-11-19 22:43:43,178 [impl.TabletServerBatchReaderIterator] WARN : null column family
> java.lang.IllegalArgumentException: null column family
> 	at org.apache.accumulo.core.data.Key.<init>(Key.java:391)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:647)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator$QueryTask.run(TabletServerBatchReaderIterator.java:349)
> 	at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 	at java.lang.Thread.run(Thread.java:745)
> 2015-11-19 22:43:43,178 [master.Master] ERROR: Error processing table state for store
Metadata Tablets
> java.lang.IllegalArgumentException: null column family
> 	at org.apache.accumulo.core.data.Key.<init>(Key.java:391)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:647)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator$QueryTask.run(TabletServerBatchReaderIterator.java:349)
> 	at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 	at java.lang.Thread.run(Thread.java:745)
> 2015-11-19 22:43:44,284 [impl.TabletServerBatchReaderIterator] WARN : null column family
> java.lang.IllegalArgumentException: null column family
> 	at org.apache.accumulo.core.data.Key.<init>(Key.java:391)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:647)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator$QueryTask.run(TabletServerBatchReaderIterator.java:349)
> 	at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 	at java.lang.Thread.run(Thread.java:745)
> {noformat}
> And even more
> {noformat}
> 2015-11-19 22:44:05,375 [recovery.RecoveryManager] DEBUG: Recovering hdfs://mycluster/apps/accumulo/data/wal/host4+9997/a2831ffa-c980-47bf-9f33-14716a0df6ec
to hdfs://mycluster/apps/accumulo/data/recovery/a2831ffa-c980-47bf-9f33-14716a0df6ec
> 2015-11-19 22:44:05,385 [master.Master] DEBUG: 2 assigned to dead servers: [!0;~<@(null,host4:9997[35121a475360010],host4:9997[35121a475360010]),
!0<;~@(null,host5:9997[25121a475480008],host5:9997[25121a475480008])]...
> 2015-11-19 22:44:05,405 [impl.TabletServerBatchWriter] ERROR: Server side error on host4:9997:
org.apache.thrift.TApplicationException: startUpdate failed: unknown result
> 2015-11-19 22:44:05,405 [master.Master] ERROR: Error processing table state for store
Metadata Tablets
> org.apache.accumulo.server.master.state.DistributedStoreException: org.apache.accumulo.core.client.MutationsRejectedException:
# constraint violations : 0  security codes: {}  # server errors 1 # exceptions 0
> 	at org.apache.accumulo.server.master.state.MetaDataStateStore.unassign(MetaDataStateStore.java:139)
> 	at org.apache.accumulo.master.TabletGroupWatcher.flushChanges(TabletGroupWatcher.java:738)
> 	at org.apache.accumulo.master.TabletGroupWatcher.run(TabletGroupWatcher.java:295)
> Caused by: org.apache.accumulo.core.client.MutationsRejectedException: # constraint violations
: 0  security codes: {}  # server errors 1 # exceptions 0
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchWriter.checkForFailures(TabletServerBatchWriter.java:550)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchWriter.close(TabletServerBatchWriter.java:361)
> 	at org.apache.accumulo.core.client.impl.BatchWriterImpl.close(BatchWriterImpl.java:54)
> 	at org.apache.accumulo.server.master.state.MetaDataStateStore.unassign(MetaDataStateStore.java:137)
> 	... 2 more
> 2015-11-19 22:44:05,406 [impl.TabletServerBatchWriter] ERROR: Failed to send tablet server
host4:9997 its batch : Error on server host4:9997
> org.apache.accumulo.core.client.impl.AccumuloServerException: Error on server host4:9997
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchWriter$MutationWriter.sendMutationsToTabletServer(TabletServerBatchWriter.java:950)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchWriter$MutationWriter.access$1900(TabletServerBatchWriter.java:629)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchWriter$MutationWriter$SendTask.send(TabletServerBatchWriter.java:816)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchWriter$MutationWriter$SendTask.run(TabletServerBatchWriter.java:780)
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> 	at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.thrift.TApplicationException: startUpdate failed: unknown result
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_startUpdate(TabletClientService.java:403)
> 	at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.startUpdate(TabletClientService.java:381)
> 	at org.apache.accumulo.core.client.impl.TabletServerBatchWriter$MutationWriter.sendMutationsToTabletServer(TabletServerBatchWriter.java:893)
> 	... 9 more
> {noformat}
> And, curiously, after this exception, things seem to get happy:
> {noformat}
> 2015-11-19 22:46:35,247 [transport.TIOStreamTransport] WARN : Error closing output stream.
> java.io.IOException: The stream is closed
>         at org.apache.hadoop.net.SocketOutputStream.write(SocketOutputStream.java:118)
>         at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
>         at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
>         at java.io.FilterOutputStream.close(FilterOutputStream.java:158)
>         at org.apache.thrift.transport.TIOStreamTransport.close(TIOStreamTransport.java:110)
>         at org.apache.thrift.transport.TFramedTransport.close(TFramedTransport.java:89)
>         at org.apache.accumulo.core.client.impl.ThriftTransportPool$CachedTTransport.close(ThriftTransportPool.java:309)
>         at org.apache.accumulo.core.client.impl.ThriftTransportPool.returnTransport(ThriftTransportPool.java:571)
>         at org.apache.accumulo.core.rpc.ThriftUtil.returnClient(ThriftUtil.java:147)
>         at org.apache.accumulo.core.client.impl.ThriftScanner.getBatchFromServer(ThriftScanner.java:113)
>         at org.apache.accumulo.core.metadata.MetadataLocationObtainer.lookupTablet(MetadataLocationObtainer.java:95)
>         at org.apache.accumulo.core.client.impl.TabletLocatorImpl.lookupTabletLocation(TabletLocatorImpl.java:463)
>         at org.apache.accumulo.core.client.impl.TabletLocatorImpl.lookupTabletLocationAndCheckLock(TabletLocatorImpl.java:634)
>         at org.apache.accumulo.core.client.impl.TabletLocatorImpl._locateTablet(TabletLocatorImpl.java:620)
>         at org.apache.accumulo.core.client.impl.TabletLocatorImpl.locateTablet(TabletLocatorImpl.java:439)
>         at org.apache.accumulo.core.client.impl.Writer.update(Writer.java:88)
>         at org.apache.accumulo.server.util.MetadataTableUtil.update(MetadataTableUtil.java:153)
>         at org.apache.accumulo.server.util.MetadataTableUtil.update(MetadataTableUtil.java:145)
>         at org.apache.accumulo.server.util.MetadataTableUtil.addTablet(MetadataTableUtil.java:211)
>         at org.apache.accumulo.master.tableOps.PopulateMetadata.call(PopulateMetadata.java:43)
>         at org.apache.accumulo.master.tableOps.PopulateMetadata.call(PopulateMetadata.java:25)
>         at org.apache.accumulo.master.tableOps.TraceRepo.call(TraceRepo.java:57)
>         at org.apache.accumulo.fate.Fate$TransactionRunner.run(Fate.java:72)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>         at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
>         at java.lang.Thread.run(Thread.java:745)
> 2015-11-19 22:46:35,249 [impl.ThriftScanner] DEBUG: Error getting transport to host4:9997
: org.apache.thrift.transport.TTransportException: java.net.SocketTimeoutException: 120000
millis timeout while wai
> ting for channel to be ready for write. ch : java.nio.channels.SocketChannel[connected
local=/10.240.0.76:40610 remote=host4/10.240.0.77:9997]
> 2015-11-19 22:46:35,258 [replication.ReplicationDriver] ERROR: Caught Exception trying
to create Replication status records
> java.lang.RuntimeException: org.apache.accumulo.core.client.impl.AccumuloServerException:
Error on server host5:9997
>         at org.apache.accumulo.core.client.impl.ScannerIterator.hasNext(ScannerIterator.java:161)
>         at org.apache.accumulo.master.replication.StatusMaker.run(StatusMaker.java:94)
>         at org.apache.accumulo.master.replication.ReplicationDriver.run(ReplicationDriver.java:87)
> Caused by: org.apache.accumulo.core.client.impl.AccumuloServerException: Error on server
host5:9997
>         at org.apache.accumulo.core.client.impl.ThriftScanner.scan(ThriftScanner.java:293)
>         at org.apache.accumulo.core.client.impl.ScannerIterator$Reader.run(ScannerIterator.java:80)
>         at org.apache.accumulo.core.client.impl.ScannerIterator.hasNext(ScannerIterator.java:151)
>         ... 2 more
> Caused by: org.apache.thrift.TApplicationException: Internal error processing flush
>         at org.apache.thrift.TApplicationException.read(TApplicationException.java:111)
>         at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:71)
>         at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_startScan(TabletClientService.java:232)
>         at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.startScan(TabletClientService.java:208)
>         at org.apache.accumulo.core.client.impl.ThriftScanner.scan(ThriftScanner.java:410)
>         at org.apache.accumulo.core.client.impl.ThriftScanner.scan(ThriftScanner.java:285)
>         ... 4 more
> {noformat}



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