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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KYLIN-3518) Coprocessor reports NPE when execute a query on HBase 2.0
Date Thu, 30 Aug 2018 04:00:00 GMT

    [ https://issues.apache.org/jira/browse/KYLIN-3518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16597036#comment-16597036
] 

ASF GitHub Bot commented on KYLIN-3518:
---------------------------------------

codecov-io commented on issue #215: KYLIN-3518 Coprocessor reports NPE when execute a query
on HBase 2.0
URL: https://github.com/apache/kylin/pull/215#issuecomment-417182476
 
 
   # [Codecov](https://codecov.io/gh/apache/kylin/pull/215?src=pr&el=h1) Report
   > :exclamation: No coverage uploaded for pull request base (`master-hadoop3.1-2.5.0@d707a81`).
[Click here to learn what that means](https://docs.codecov.io/docs/error-reference#section-missing-base-commit).
   > The diff coverage is `0%`.
   
   [![Impacted file tree graph](https://codecov.io/gh/apache/kylin/pull/215/graphs/tree.svg?width=650&token=JawVgbgsVo&height=150&src=pr)](https://codecov.io/gh/apache/kylin/pull/215?src=pr&el=tree)
   
   ```diff
   @@                    Coverage Diff                    @@
   ##             master-hadoop3.1-2.5.0     #215   +/-   ##
   =========================================================
     Coverage                          ?   21.07%           
     Complexity                        ?     4290           
   =========================================================
     Files                             ?     1071           
     Lines                             ?    67874           
     Branches                          ?     9834           
   =========================================================
     Hits                              ?    14304           
     Misses                            ?    52207           
     Partials                          ?     1363
   ```
   
   
   | [Impacted Files](https://codecov.io/gh/apache/kylin/pull/215?src=pr&el=tree) | Coverage
Δ | Complexity Δ | |
   |---|---|---|---|
   | [...cube/v2/coprocessor/endpoint/CubeVisitService.java](https://codecov.io/gh/apache/kylin/pull/215/diff?src=pr&el=tree#diff-c3RvcmFnZS1oYmFzZS9zcmMvbWFpbi9qYXZhL29yZy9hcGFjaGUva3lsaW4vc3RvcmFnZS9oYmFzZS9jdWJlL3YyL2NvcHJvY2Vzc29yL2VuZHBvaW50L0N1YmVWaXNpdFNlcnZpY2UuamF2YQ==)
| `0% <0%> (ø)` | `0 <0> (?)` | |
   
   ------
   
   [Continue to review full report at Codecov](https://codecov.io/gh/apache/kylin/pull/215?src=pr&el=continue).
   > **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta)
   > `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
   > Powered by [Codecov](https://codecov.io/gh/apache/kylin/pull/215?src=pr&el=footer).
Last update [d707a81...8b78b9b](https://codecov.io/gh/apache/kylin/pull/215?src=pr&el=lastupdated).
Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
   

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> 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: Shaofeng SHI
>            Priority: Major
>
> 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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