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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Work logged] (HIVE-24138) Llap external client flow is broken due to netty shading
Date Sat, 12 Sep 2020 15:01:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-24138?focusedWorklogId=482488&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-482488
]

ASF GitHub Bot logged work on HIVE-24138:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 12/Sep/20 15:00
            Start Date: 12/Sep/20 15:00
    Worklog Time Spent: 10m 
      Work Description: ayushtkn opened a new pull request #1491:
URL: https://github.com/apache/hive/pull/1491


   https://issues.apache.org/jira/browse/HIVE-24138


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Issue Time Tracking
-------------------

            Worklog Id:     (was: 482488)
    Remaining Estimate: 0h
            Time Spent: 10m

> Llap external client flow is broken due to netty shading
> --------------------------------------------------------
>
>                 Key: HIVE-24138
>                 URL: https://issues.apache.org/jira/browse/HIVE-24138
>             Project: Hive
>          Issue Type: Bug
>          Components: llap
>            Reporter: Shubham Chaurasia
>            Assignee: Ayush Saxena
>            Priority: Critical
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> We shaded netty in hive-exec in - https://issues.apache.org/jira/browse/HIVE-23073
> This breaks LLAP external client flow on LLAP daemon side - 
> LLAP daemon stacktrace - 
> {code}
> 2020-09-09T18:22:13,413  INFO [TezTR-222977_4_0_0_0_0 (4974183244412222977_0004_0_00_000000_0)]
llap.LlapOutputFormat: Returning writer for: attempt_4974183244412222977_0004_0_00_000000_0
> 2020-09-09T18:22:13,419 ERROR [TezTR-222977_4_0_0_0_0 (4974183244412222977_0004_0_00_000000_0)]
tez.MapRecordSource: java.lang.NoSuchMethodError: org.apache.arrow.memory.BufferAllocator.buffer(I)Lorg/apache/hive/io/netty/buffer/ArrowBuf;
> 	at org.apache.hadoop.hive.llap.WritableByteChannelAdapter.write(WritableByteChannelAdapter.java:96)
> 	at org.apache.arrow.vector.ipc.WriteChannel.write(WriteChannel.java:74)
> 	at org.apache.arrow.vector.ipc.WriteChannel.write(WriteChannel.java:57)
> 	at org.apache.arrow.vector.ipc.WriteChannel.writeIntLittleEndian(WriteChannel.java:89)
> 	at org.apache.arrow.vector.ipc.message.MessageSerializer.serialize(MessageSerializer.java:88)
> 	at org.apache.arrow.vector.ipc.ArrowWriter.ensureStarted(ArrowWriter.java:130)
> 	at org.apache.arrow.vector.ipc.ArrowWriter.writeBatch(ArrowWriter.java:102)
> 	at org.apache.hadoop.hive.llap.LlapArrowRecordWriter.write(LlapArrowRecordWriter.java:85)
> 	at org.apache.hadoop.hive.llap.LlapArrowRecordWriter.write(LlapArrowRecordWriter.java:46)
> 	at org.apache.hadoop.hive.ql.exec.vector.filesink.VectorFileSinkArrowOperator.process(VectorFileSinkArrowOperator.java:137)
> 	at org.apache.hadoop.hive.ql.exec.Operator.vectorForward(Operator.java:969)
> 	at org.apache.hadoop.hive.ql.exec.vector.VectorSelectOperator.process(VectorSelectOperator.java:158)
> 	at org.apache.hadoop.hive.ql.exec.Operator.vectorForward(Operator.java:969)
> 	at org.apache.hadoop.hive.ql.exec.TableScanOperator.process(TableScanOperator.java:172)
> 	at org.apache.hadoop.hive.ql.exec.vector.VectorMapOperator.deliverVectorizedRowBatch(VectorMapOperator.java:809)
> 	at org.apache.hadoop.hive.ql.exec.vector.VectorMapOperator.process(VectorMapOperator.java:842)
> 	at org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.processRow(MapRecordSource.java:92)
> 	at org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.pushRecord(MapRecordSource.java:76)
> 	at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.run(MapRecordProcessor.java:426)
> 	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:267)
> 	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(TezProcessor.java:250)
> 	at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:374)
> 	at org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:75)
> 	at org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:62)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1876)
> 	at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:62)
> 	at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:38)
> 	at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)
> 	at org.apache.hadoop.hive.llap.daemon.impl.StatsRecordingThreadPool$WrappedCallable.call(StatsRecordingThreadPool.java:118)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> {code}
> Arrow method signature mismatch mainly happens due to the fact that arrow contains some
classes which are packaged under {{io.netty.buffer.*}} - 
> {code}
> io.netty.buffer.ArrowBuf
> io.netty.buffer.ExpandableByteBuf
> io.netty.buffer.LargeBuffer
> io.netty.buffer.MutableWrappedByteBuf
> io.netty.buffer.PooledByteBufAllocatorL
> io.netty.buffer.UnsafeDirectLittleEndian
> {code}
> Since we have relocated netty, these classes have also been relocated to {{org.apache.hive.io.netty.buffer.*}}
and causing {{NoSuchMethodError}}.
> cc [~anishek] [~thejas] [~abstractdog] [~irashid] [~bruce.robbins]



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