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https://issues.apache.org/jira/browse/HIVE-24138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17237322#comment-17237322
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László Bodor commented on HIVE-24138:
-------------------------------------
merged to master, thanks [~ayushtkn] for the patch
> 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
> Labels: pull-request-available
> Time Spent: 1h
> 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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