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Hadoop QA commented on HBASE-21800: ----------------------------------- | (/) *{color:green}+1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 14s{color} | {color:blue} Docker mode activated. {color} | || || || || {color:brown} Prechecks {color} || | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m 0s{color} | {color:blue} Findbugs executables are not available. {color} | | {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green} 0m 0s{color} | {color:green} Patch does not have any anti-patterns. {color} | | {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s{color} | {color:green} The patch does not contain any @author tags. {color} | | {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 0s{color} | {color:green} The patch appears to include 1 new or modified test files. {color} | || || || || {color:brown} branch-1 Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 45s{color} | {color:green} branch-1 passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 35s{color} | {color:green} branch-1 passed with JDK v1.8.0_202 {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 38s{color} | {color:green} branch-1 passed with JDK v1.7.0_211 {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 15s{color} | {color:green} branch-1 passed {color} | | {color:green}+1{color} | {color:green} shadedjars {color} | {color:green} 2m 28s{color} | {color:green} branch has no errors when building our shaded downstream artifacts. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 27s{color} | {color:green} branch-1 passed with JDK v1.8.0_202 {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 35s{color} | {color:green} branch-1 passed with JDK v1.7.0_211 {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 34s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 36s{color} | {color:green} the patch passed with JDK v1.8.0_202 {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 36s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 38s{color} | {color:green} the patch passed with JDK v1.7.0_211 {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 38s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 14s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s{color} | {color:green} The patch has no whitespace issues. {color} | | {color:green}+1{color} | {color:green} shadedjars {color} | {color:green} 2m 26s{color} | {color:green} patch has no errors when building our shaded downstream artifacts. {color} | | {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 1m 34s{color} | {color:green} Patch does not cause any errors with Hadoop 2.7.4. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 26s{color} | {color:green} the patch passed with JDK v1.8.0_202 {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 35s{color} | {color:green} the patch passed with JDK v1.7.0_211 {color} | || || || || {color:brown} Other Tests {color} || | {color:green}+1{color} | {color:green} unit {color} | {color:green}110m 44s{color} | {color:green} hbase-server in the patch passed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 23s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black}128m 36s{color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:61288f8 | | JIRA Issue | HBASE-21800 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12963202/hbase-21800.branch-1.004.patch | | Optional Tests | dupname asflicense javac javadoc unit findbugs shadedjars hadoopcheck hbaseanti checkstyle compile | | uname | Linux cd0b9e527749 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh | | git revision | branch-1 / 530bd6f | | maven | version: Apache Maven 3.0.5 | | Default Java | 1.7.0_211 | | Multi-JDK versions | /usr/lib/jvm/java-8-openjdk-amd64:1.8.0_202 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_211 | | Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/16457/testReport/ | | Max. process+thread count | 4890 (vs. ulimit of 10000) | | modules | C: hbase-server U: hbase-server | | Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/16457/console | | Powered by | Apache Yetus 0.8.0 http://yetus.apache.org | This message was automatically generated. > RegionServer aborted due to NPE from MetaTableMetrics coprocessor > ----------------------------------------------------------------- > > Key: HBASE-21800 > URL: https://issues.apache.org/jira/browse/HBASE-21800 > Project: HBase > Issue Type: Bug > Components: Coprocessors, meta, metrics, Operability > Reporter: Sakthi > Assignee: Sakthi > Priority: Critical > Labels: Meta > Fix For: 3.0.0, 2.1, 2.2 > > Attachments: hbase-21800.branch-1.001.patch, > hbase-21800.branch-1.002.patch, hbase-21800.branch-1.003.patch, > hbase-21800.branch-1.004.patch, hbase-21800.master.001.patch, > hbase-21800.master.002.patch, hbase-21800.master.003.patch > > > I was just playing around the code, trying to capture "Top k" table metrics > from MetaMetrics, when I bumped into this issue. Though currently we are not > capturing "Top K" table metrics, but we can encounter this issue because of > the "Top k Clients" that is implemented using the LossyAlgo. > > RegionServer gets aborted due to a NPE from MetaTableMetrics coprocessor. The > log looks somewhat like this: > {code:java} > 2019-01-28 23:31:10,311 ERROR > [RpcServer.priority.FPBQ.Fifo.handler=19,queue=1,port=16020] > coprocessor.CoprocessorHost: The coprocessor > org.apache.hadoop.hbase.coprocessor.MetaTableMetrics threw > java.lang.NullPointerException > java.lang.NullPointerException > at > org.apache.hadoop.hbase.coprocessor.MetaTableMetrics$ExampleRegionObserverMeta.markMeterIfPresent(MetaTableMetrics.java:123) > at > org.apache.hadoop.hbase.coprocessor.MetaTableMetrics$ExampleRegionObserverMeta.tableMetricRegisterAndMark2(MetaTableMetrics.java:233) > at > org.apache.hadoop.hbase.coprocessor.MetaTableMetrics$ExampleRegionObserverMeta.preGetOp(MetaTableMetrics.java:82) > at > org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$19.call(RegionCoprocessorHost.java:840) > at > org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$19.call(RegionCoprocessorHost.java:837) > at > org.apache.hadoop.hbase.coprocessor.CoprocessorHost$ObserverOperationWithoutResult.callObserver(CoprocessorHost.java:551) > at > org.apache.hadoop.hbase.coprocessor.CoprocessorHost.execOperation(CoprocessorHost.java:625) > at > org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.preGet(RegionCoprocessorHost.java:837) > at > org.apache.hadoop.hbase.regionserver.RSRpcServices.get(RSRpcServices.java:2608) > at > org.apache.hadoop.hbase.regionserver.RSRpcServices.get(RSRpcServices.java:2547) > at > org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:41998) > at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:413) > at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:130) > at > org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324) > at > org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304) > 2019-01-28 23:31:10,314 ERROR > [RpcServer.priority.FPBQ.Fifo.handler=19,queue=1,port=16020] > regionserver.HRegionServer: ***** ABORTING region server > 10.0.0.24,16020,1548747043814: The coprocessor > org.apache.hadoop.hbase.coprocessor.MetaTableMetrics threw > java.lang.NullPointerException ***** > java.lang.NullPointerException > at > org.apache.hadoop.hbase.coprocessor.MetaTableMetrics$ExampleRegionObserverMeta.markMeterIfPresent(MetaTableMetrics.java:123) > at > org.apache.hadoop.hbase.coprocessor.MetaTableMetrics$ExampleRegionObserverMeta.tableMetricRegisterAndMark2(MetaTableMetrics.java:233) > at > org.apache.hadoop.hbase.coprocessor.MetaTableMetrics$ExampleRegionObserverMeta.preGetOp(MetaTableMetrics.java:82) > at > org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$19.call(RegionCoprocessorHost.java:840) > at > org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$19.call(RegionCoprocessorHost.java:837) > at > org.apache.hadoop.hbase.coprocessor.CoprocessorHost$ObserverOperationWithoutResult.callObserver(CoprocessorHost.java:551) > at > org.apache.hadoop.hbase.coprocessor.CoprocessorHost.execOperation(CoprocessorHost.java:625) > at > org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.preGet(RegionCoprocessorHost.java:837) > at > org.apache.hadoop.hbase.regionserver.RSRpcServices.get(RSRpcServices.java:2608) > at > org.apache.hadoop.hbase.regionserver.RSRpcServices.get(RSRpcServices.java:2547) > at > org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:41998) > at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:413) > at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:130) > at > org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324) > at > org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304) > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)