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https://issues.apache.org/jira/browse/HBASE-25884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17344798#comment-17344798
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Hudson commented on HBASE-25884:
--------------------------------
Results for branch branch-2
[build #251 on
builds.a.o|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/251/]:
(/) *{color:green}+1 overall{color}*
----
details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/251/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
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(/) {color:green}+1 jdk11 hadoop3 checks{color}
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(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> NPE while getting Balancer decisions
> ------------------------------------
>
> Key: HBASE-25884
> URL: https://issues.apache.org/jira/browse/HBASE-25884
> Project: HBase
> Issue Type: Task
> Reporter: Viraj Jasani
> Assignee: Viraj Jasani
> Priority: Major
> Fix For: 3.0.0-alpha-1, 2.5.0, 2.4.3
>
>
> With HBASE-25790 in place, we have new balancer queue: BalancerRejection in
> addition to BalancerDecision. However, now while retrieving records from ring
> buffer, only if exactly one of the ring buffers are enabled, we get NPE while
> retrieving the other one. Ideally it should return empty results.
> Result of get_balancer_decision when only rejection queue is enabled but not
> the balancer decision one.
>
> {code:java}
> 2021-05-02T21:22:31,830 WARN [RPCClient-NioEventLoopGroup-1-2]
> client.AsyncRpcRetryingCaller: Call to master failed, tries = 6, maxAttempts
> = 7, timeout = 1200000 ms, time elapsed = 2360 ms2021-05-02T21:22:31,830 WARN
> [RPCClient-NioEventLoopGroup-1-2] client.AsyncRpcRetryingCaller: Call to
> master failed, tries = 6, maxAttempts = 7, timeout = 1200000 ms, time elapsed
> = 2360 msjava.io.IOException: java.io.IOException at
> org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:463) at
> org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:135) at
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:338) at
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:318)Caused
> by: java.lang.NullPointerException at
> org.apache.hadoop.hbase.master.MasterRpcServices.getBalancerDecisions(MasterRpcServices.java:3432)
> at
> org.apache.hadoop.hbase.master.MasterRpcServices.getLogEntries(MasterRpcServices.java:3395)
> at
> org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:395) ... 3 more
> {code}
>
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