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From Darren Hoo <darren....@gmail.com>
Subject Spark kudu: scanner not found
Date Wed, 02 Mar 2016 17:35:39 GMT
when access kudu from Spark SQL, the task throws this error:


16/03/03 01:26:52 WARN client.AsyncKuduScanner:
5d3871ed20a642c28da2f711e3af712f pretends to not know
KuduScanner(table=contents, tablet=5d3871ed20a642c28da2f711e3af712f,
scannerId="2dca9145edf2469789ff851a2db2542a",
scanRequestTimeout=10000)
org.kududb.client.TabletServerErrorException:
Server[8c09eaddf6994d3583b4073447475f8d] NOT_FOUND[code 1]: Scanner
not found
at org.kududb.client.TabletClient.dispatchTSErrorOrReturnException(TabletClient.java:461)
at org.kududb.client.TabletClient.decode(TabletClient.java:412)
at org.kududb.client.TabletClient.decode(TabletClient.java:82)
at org.kududb.client.shaded.org.jboss.netty.handler.codec.replay.ReplayingDecoder.callDecode(ReplayingDecoder.java:500)
at org.kududb.client.shaded.org.jboss.netty.handler.codec.replay.ReplayingDecoder.messageReceived(ReplayingDecoder.java:435)
at org.kududb.client.shaded.org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at org.kududb.client.TabletClient.handleUpstream(TabletClient.java:592)
at org.kududb.client.shaded.org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.kududb.client.shaded.org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at org.kududb.client.shaded.org.jboss.netty.handler.timeout.ReadTimeoutHandler.messageReceived(ReadTimeoutHandler.java:184)
at org.kududb.client.shaded.org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at org.kududb.client.shaded.org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.kududb.client.shaded.org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
at org.kududb.client.AsyncKuduClient$TabletClientPipeline.sendUpstream(AsyncKuduClient.java:1647)
at org.kududb.client.shaded.org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:268)
at org.kududb.client.shaded.org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:255)
at org.kududb.client.shaded.org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88)
at org.kududb.client.shaded.org.jboss.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:108)
at org.kududb.client.shaded.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:318)
at org.kududb.client.shaded.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
at org.kududb.client.shaded.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
at org.kududb.client.shaded.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
at org.kududb.client.shaded.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)
16/03/03 01:26:52 ERROR executor.Executor: Exception in task 1.0 in
stage 3.0 (TID 38)
java.io.IOException: Couldn't get scan data
at org.kududb.mapreduce.KuduTableInputFormat$TableRecordReader.tryRefreshIterator(KuduTableInputFormat.java:422)
at org.kududb.mapreduce.KuduTableInputFormat$TableRecordReader.nextKeyValue(KuduTableInputFormat.java:401)
at org.apache.spark.rdd.NewHadoopRDD$$anon$1.hasNext(NewHadoopRDD.scala:163)
at org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:39)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
at scala.collection.Iterator$$anon$13.hasNext(Iterator.scala:371)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
at org.apache.spark.util.collection.ExternalSorter.insertAll(ExternalSorter.scala:209)
at org.apache.spark.shuffle.sort.SortShuffleWriter.write(SortShuffleWriter.scala:73)
at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:73)
at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
at org.apache.spark.scheduler.Task.run(Task.scala:88)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.kududb.client.TabletServerErrorException:
Server[8c09eaddf6994d3583b4073447475f8d] NOT_FOUND[code 1]: Scanner
not found
at org.kududb.client.TabletClient.dispatchTSErrorOrReturnException(TabletClient.java:461)
at org.kududb.client.TabletClient.decode(TabletClient.java:412)
at org.kududb.client.TabletClient.decode(TabletClient.java:82)
at org.kududb.client.shaded.org.jboss.netty.handler.codec.replay.ReplayingDecoder.callDecode(ReplayingDecoder.java:500)
at org.kududb.client.shaded.org.jboss.netty.handler.codec.replay.ReplayingDecoder.messageReceived(ReplayingDecoder.java:435)
at org.kududb.client.shaded.org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at org.kududb.client.TabletClient.handleUpstream(TabletClient.java:592)
at org.kududb.client.shaded.org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.kududb.client.shaded.org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at org.kududb.client.shaded.org.jboss.netty.handler.timeout.ReadTimeoutHandler.messageReceived(ReadTimeoutHandler.java:184)
at org.kududb.client.shaded.org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at org.kududb.client.shaded.org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.kududb.client.shaded.org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
at org.kududb.client.AsyncKuduClient$TabletClientPipeline.sendUpstream(AsyncKuduClient.java:1647)
at org.kududb.client.shaded.org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:268)
at org.kududb.client.shaded.org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:255)
at org.kududb.client.shaded.org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88)
at org.kududb.client.shaded.org.jboss.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:108)
at org.kududb.client.shaded.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:318)
at org.kududb.client.shaded.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
at org.kududb.client.shaded.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
at org.kududb.client.shaded.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
at org.kududb.client.shaded.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
... 3 more


But the tablet server is active:

8c09eaddf6994d3583b4073447475f8d 0.3s     rpc_addresses  { host:
"slave17" port: 7050 } http_addresses { host: "slave17" port: 8050 }


I could not find any error log from kudu servers.


Version Info:

kudu 0.7.0
revision f9971b3990bb9b687ad7e64a73cc3aedbcc694e7
build type RELEASE
built by jenkins at 29 Feb 2016 00:32:26 PST on
kudu-centos66-1d67.vpc.cloudera.com
build id 2016-02-28_23-47-43

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