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https://issues.apache.org/jira/browse/KYLIN-3518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16938646#comment-16938646
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ASF subversion and git services commented on KYLIN-3518:
--------------------------------------------------------
Commit 64fd8083e61bfc2a9a9b15e8548dee4617f176dc in kylin's branch
refs/heads/2.6.x-hadoop3.1 from Cheng Wang
[ https://gitbox.apache.org/repos/asf?p=kylin.git;h=64fd808 ]
KYLIN-2565 upgrade to hadoop 3.0 hbase 2.0, pass UT
KYLIN-3518 Fix Coprocessor NPE problem on hbase 2
Signed-off-by: shaofengshi <[email protected]>
KYLIN-2565 Add cdh60 profile
Signed-off-by: shaofengshi <[email protected]>
> Coprocessor reports NPE when execute a query on HBase 2.0
> ---------------------------------------------------------
>
> Key: KYLIN-3518
> URL: https://issues.apache.org/jira/browse/KYLIN-3518
> Project: Kylin
> Issue Type: Bug
> Components: Storage - HBase
> Reporter: Shao Feng Shi
> Assignee: Lijun Cao
> Priority: Major
> Fix For: v2.5.0
>
>
> On HDP 3.0, build a cube and then run a simple count query, NPE occurred:
>
> {code:java}
> 2018-08-28 01:30:16,969 DEBUG [Query f7bf8004-b516-e372-18df-0d507075d471-71]
> v2.CubeHBaseRPC:315 : hbase.rpc.timeout = 90000 ms, use 81000 ms as timeout
> for coprocessor
> 2018-08-28 01:30:16,983 INFO [Query f7bf8004-b516-e372-18df-0d507075d471-71]
> v2.CubeHBaseEndpointRPC:141 : Serialized scanRequestBytes 522 bytes,
> rawScanBytesString 44 bytes
> 2018-08-28 01:30:16,984 INFO [Query f7bf8004-b516-e372-18df-0d507075d471-71]
> v2.CubeHBaseEndpointRPC:143 : The scan 67b41fc6 for segment
> kylin_sales_cube_clone[20120101000000_20130101000000] is as below with 1
> separate raw scans, shard part of start/end key is set to 0
> 2018-08-28 01:30:16,991 INFO [Query f7bf8004-b516-e372-18df-0d507075d471-71]
> v2.CubeHBaseRPC:288 : Visiting hbase table KYLIN_5Q088VO5I0: cuboid require
> post aggregation, from 0 to 16384 Start:
> \x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00
> (\x00\x00\x00\x00\x00\x00\x00\x00@\x00\x00\x00\x00) Stop:
> \x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\xFF\xFF\xFF\x00
> (\x00\x00\x00\x00\x00\x00\x00\x00@\x00\xFF\xFF\xFF\x00), No Fuzzy Key
> 2018-08-28 01:30:16,991 DEBUG [Query f7bf8004-b516-e372-18df-0d507075d471-71]
> v2.CubeHBaseEndpointRPC:148 : Submitting rpc to 1 shards starting from shard
> 0, scan range count 1
> 2018-08-28 01:30:17,010 INFO [Query f7bf8004-b516-e372-18df-0d507075d471-71]
> common.KylinConfig:332 : Loading kylin-defaults.properties from
> file:/root/shaofengshi/apache-kylin-2.5.0-SNAPSHOT-bin/tomcat/webapps/kylin/WEB-INF/lib/kylin-core-common-2.5.0-SNAPSHOT.jar!/kylin-defaults.properties
> 2018-08-28 01:30:17,033 DEBUG [Query f7bf8004-b516-e372-18df-0d507075d471-71]
> common.KylinConfig:291 : KYLIN_CONF property was not set, will seek
> KYLIN_HOME env variable
> 2018-08-28 01:30:17,051 INFO [pool-14-thread-1] hbase.HBaseConnection:110 :
> Creating coprocessor thread pool with max of 2048, core of 2048
> 2018-08-28 01:30:17,094 INFO [Query f7bf8004-b516-e372-18df-0d507075d471-71]
> gtrecord.SequentialCubeTupleIterator:73 : Using SortedIteratorMergerWithLimit
> to merge segment results
> 2018-08-28 01:30:17,097 DEBUG [Query f7bf8004-b516-e372-18df-0d507075d471-71]
> enumerator.OLAPEnumerator:117 : return TupleIterator...
> 2018-08-28 01:30:21,607 INFO [kylin-coproc--pool9-t1]
> client.RpcRetryingCallerImpl:134 : Call exception, tries=6, retries=6,
> started=4410 ms ago, cancelled=false, msg=java.io.IOException
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:468)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:131)
> at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324)
> at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304)
> Caused by: java.lang.NullPointerException
> at
> org.apache.kylin.storage.hbase.cube.v2.coprocessor.endpoint.CubeVisitService.visitCube(CubeVisitService.java:253)
> at
> org.apache.kylin.storage.hbase.cube.v2.coprocessor.endpoint.generated.CubeVisitProtos$CubeVisitService.callMethod(CubeVisitProtos.java:5555)
> at org.apache.hadoop.hbase.regionserver.HRegion.execService(HRegion.java:8032)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.execServiceOnRegion(RSRpcServices.java:2426)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.execService(RSRpcServices.java:2408)
> at
> org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:42010)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:409)
> ... 3 more
> , details=row '' on table 'KYLIN_5Q088VO5I0' at
> region=KYLIN_5Q088VO5I0,,1535417272444.27b82cb4702db4557a98b9a7e60b7692.,
> hostname=ignite03.com,16020,1534313612401, seqNum=2
> 2018-08-28 01:30:25,633 INFO [kylin-coproc--pool9-t1]
> client.RpcRetryingCallerImpl:134 : Call exception, tries=7, retries=7,
> started=8436 ms ago, cancelled=false, msg=java.io.IOException
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:468)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:131)
> at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324)
> at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304)
> Caused by: java.lang.NullPointerException
> at
> org.apache.kylin.storage.hbase.cube.v2.coprocessor.endpoint.CubeVisitService.visitCube(CubeVisitService.java:253)
> at
> org.apache.kylin.storage.hbase.cube.v2.coprocessor.endpoint.generated.CubeVisitProtos$CubeVisitService.callMethod(CubeVisitProtos.java:5555)
> at org.apache.hadoop.hbase.regionserver.HRegion.execService(HRegion.java:8032)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.execServiceOnRegion(RSRpcServices.java:2426)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.execService(RSRpcServices.java:2408)
> at
> org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:42010)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:409)
> ... 3 more
> {code}
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