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Posted to issues@hbase.apache.org by "Hudson (Jira)" <ji...@apache.org> on 2022/12/16 10:16:00 UTC
[jira] [Commented] (HBASE-27390) getClusterMetrics NullPointerException when ServerTask status null
[ https://issues.apache.org/jira/browse/HBASE-27390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17648546#comment-17648546 ]
Hudson commented on HBASE-27390:
--------------------------------
Results for branch master
[build #744 on builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/744/]: (x) *{color:red}-1 overall{color}*
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details (if available):
(x) {color:red}-1 general checks{color}
-- For more information [see general report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/744/General_20Nightly_20Build_20Report/]
(x) {color:red}-1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3) report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/744/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(x) {color:red}-1 jdk11 hadoop3 checks{color}
-- For more information [see jdk11 report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/744/JDK11_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> getClusterMetrics NullPointerException when ServerTask status null
> ------------------------------------------------------------------
>
> Key: HBASE-27390
> URL: https://issues.apache.org/jira/browse/HBASE-27390
> Project: HBase
> Issue Type: Bug
> Reporter: Bryan Beaudreault
> Assignee: Briana Augenreich
> Priority: Major
> Fix For: 2.6.0, 3.0.0-alpha-4, 2.5.3
>
>
> We had a situation where an hmaster had just started up and something started calling Admin.getClusterMetrics. It seems there were ServerTasks in memory, but at least one had no status. This resulted in a spam of NPE:
> {code:java}
> [RpcServer.default.FPBQ.Fifo.handler=29,queue=2,port=60000] ERROR org.apache.hadoop.hbase.ipc.RpcServer: Unexpected throwable object
> java.lang.NullPointerException
> at org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos$ServerTask$Builder.setStatus(ClusterStatusProtos.java:14352)
> at org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil.toServerTask(ProtobufUtil.java:3565)
> at org.apache.hadoop.hbase.ClusterMetricsBuilder.lambda$toClusterStatus$4(ClusterMetricsBuilder.java:80)
> at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
> at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655)
> at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
> at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
> at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
> at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
> at org.apache.hadoop.hbase.ClusterMetricsBuilder.toClusterStatus(ClusterMetricsBuilder.java:80)
> at org.apache.hadoop.hbase.master.MasterRpcServices.getClusterStatus(MasterRpcServices.java:980)
> at org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:385)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124)
> at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:102)
> at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:82) {code}
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