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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2020/06/11 13:39:49 UTC
[GitHub] [druid] clintropolis opened a new pull request #10021: fix balancer + broadcast segments npe
clintropolis opened a new pull request #10021:
URL: https://github.com/apache/druid/pull/10021
### Description
This PR fixes an NPE which occurs during the balancer phase after #9971 due to a missing parameter to pass on the broadcast datasources set in the coordinator parameter builder class.
```
2020-06-11T13:34:21,945 ERROR [Coordinator-Exec--0] org.apache.druid.server.coordinator.DruidCoordinator - Caught exception, ignoring so that schedule keeps going.: {class=org.apache.druid.server.coordinator.DruidCoordinator, exceptionType=class java.lang.NullPointerException, exceptionMessage=null}
java.lang.NullPointerException: null
at org.apache.druid.server.coordinator.ReservoirSegmentSampler.getRandomBalancerSegmentHolder(ReservoirSegmentSampler.java:47) ~[classes/:?]
at org.apache.druid.server.coordinator.CostBalancerStrategy.pickSegmentToMove(CostBalancerStrategy.java:220) ~[classes/:?]
at org.apache.druid.server.coordinator.duty.BalanceSegments.balanceServers(BalanceSegments.java:190) ~[classes/:?]
at org.apache.druid.server.coordinator.duty.BalanceSegments.balanceTier(BalanceSegments.java:158) ~[classes/:?]
at org.apache.druid.server.coordinator.duty.BalanceSegments.lambda$run$0(BalanceSegments.java:81) ~[classes/:?]
at java.util.HashMap.forEach(HashMap.java:1289) ~[?:1.8.0_242]
at org.apache.druid.server.coordinator.duty.BalanceSegments.run(BalanceSegments.java:80) ~[classes/:?]
```
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[GitHub] [druid] clintropolis merged pull request #10021: fix balancer + broadcast segments npe
Posted by GitBox <gi...@apache.org>.
clintropolis merged pull request #10021:
URL: https://github.com/apache/druid/pull/10021
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