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https://issues.apache.org/jira/browse/HBASE-20043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16375020#comment-16375020
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Mike Drob commented on HBASE-20043:
-----------------------------------

bq. This 'Action' was stale, from hbase1 AM days
glad our tests are finding things! even if it's only problems with the tests... 
do we need a review of the other actions, or we think test framework will shake 
bad ones loose?

bq. Other interesting stuff in here is we were using a hadoop2 netty but it is 
changed in hadoop3 which was causing job to fail. 
we need to put the version property in a profile?

bq. Also at one point during this test run we had 1k threads up in the one JVM 
(we need to pare back how many we spin up by default.... have executors run w/ 
keepalive and die-off if no work...).
any idea which ones? follow up jiras?

> ITBLL fails against hadoop3
> ---------------------------
>
>                 Key: HBASE-20043
>                 URL: https://issues.apache.org/jira/browse/HBASE-20043
>             Project: HBase
>          Issue Type: Bug
>          Components: integration tests
>            Reporter: Mike Drob
>            Assignee: stack
>            Priority: Major
>             Fix For: 2.0.0-beta-2
>
>
> This has been failing for a while, I haven't tried to bisec but it was before 
> my changes for HBASE-19991 at least.
> {code}
> mvn clean verify -pl hbase-it -Dhadoop.profile=3.0 
> -Dit.test=IntegrationTestBigLinkedList -Dtest=none -am
> {code}
> {code}
> 2018-02-21 16:43:13,265 ERROR 
> [RpcServer.default.FPBQ.Fifo.handler=3,queue=0,port=60450] 
> ipc.RpcServer(464): Unexpected throwable object 
> java.lang.AssertionError: 
> hri=IntegrationTestBigLinkedList,\x8E8\xE3\x8E8\xE3\x8E5,1519252895022.236bbedde32e4549691c108a1a7005a8.,
>  source=, destination=mdrob-mbp.hsd1.tx.comcast.net,60456,1519252856027
>       at org.apache.hadoop.hbase.master.HMaster.move(HMaster.java:1691)
>       at 
> org.apache.hadoop.hbase.master.MasterRpcServices.moveRegion(MasterRpcServices.java:1348)
>       at 
> org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
>       at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:406)
>       at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:130)
>       at 
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324)
>       at 
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304)
> 2018-02-21 16:43:13,276 DEBUG 
> [RpcServer.default.FPBQ.Fifo.handler=3,queue=0,port=60450] 
> ipc.CallRunner(141): callId: 49 service: MasterService methodName: MoveRegion 
> size: 106 connection: 192.168.1.134:60743 deadline: 1519253053263
> java.io.IOException: 
> hri=IntegrationTestBigLinkedList,\x8E8\xE3\x8E8\xE3\x8E5,1519252895022.236bbedde32e4549691c108a1a7005a8.,
>  source=, destination=mdrob-mbp.hsd1.tx.comcast.net,60456,1519252856027
>       at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:465)
>       at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:130)
>       at 
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324)
>       at 
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304)
> Caused by: java.lang.AssertionError: 
> hri=IntegrationTestBigLinkedList,\x8E8\xE3\x8E8\xE3\x8E5,1519252895022.236bbedde32e4549691c108a1a7005a8.,
>  source=, destination=mdrob-mbp.hsd1.tx.comcast.net,60456,1519252856027
>       at org.apache.hadoop.hbase.master.HMaster.move(HMaster.java:1691)
>       at 
> org.apache.hadoop.hbase.master.MasterRpcServices.moveRegion(MasterRpcServices.java:1348)
>       at 
> org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
>       at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:406)
>       ... 3 more
> {code}
> The assertion that it trips is:
> {code}
>     // Now we can do the move
>     RegionPlan rp = new RegionPlan(hri, regionState.getServerName(), dest);
>     assert rp.getDestination() != null: rp.toString() + " " + dest;
>     assert rp.getSource() != null: rp.toString();
> {code}



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