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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13532) Make UnknownScannerException logging less scary
Date Wed, 11 May 2016 07:54:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15279738#comment-15279738
] 

Hadoop QA commented on HBASE-13532:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {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:red}-1{color} | {color:red} test4tests {color} | {color:red} 0m 0s {color} | {color:red}
The patch doesn't appear to include any new or modified tests. Please justify why no new tests
are needed for this patch. Also please list what manual steps were performed to verify this
patch. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 4m 29s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 11s {color} |
{color:green} master passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 59s {color} |
{color:green} master passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 16s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 22s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 53s {color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 49s {color} |
{color:green} master passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 59s {color} |
{color:green} master passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 5s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 10s {color} |
{color:green} the patch passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 10s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 58s {color} |
{color:green} the patch passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 58s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 18s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 22s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s {color}
| {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 12m 37s {color}
| {color:green} Patch does not cause any errors with Hadoop 2.4.1 2.5.2 2.6.0. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m 20s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 51s {color} |
{color:green} the patch passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 0s {color} | {color:green}
the patch passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 134m 39s {color} | {color:green}
hbase-server in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 19s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 171m 13s {color} | {color:black}
{color} |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12803359/HBASE-13532-master.patch
|
| JIRA Issue | HBASE-13532 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  |
| uname | Linux pomona.apache.org 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12
UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/test_framework/yetus-0.2.1/lib/precommit/personality/hbase.sh
|
| git revision | master / a11091c |
| Default Java | 1.7.0_79 |
| Multi-JDK versions |  /home/jenkins/tools/java/jdk1.8.0:1.8.0 /usr/local/jenkins/java/jdk1.7.0_79:1.7.0_79
|
| findbugs | v3.0.0 |
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/1861/testReport/ |
| modules | C: hbase-server U: hbase-server |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/1861/console |
| Powered by | Apache Yetus 0.2.1   http://yetus.apache.org |


This message was automatically generated.



> Make UnknownScannerException logging less scary
> -----------------------------------------------
>
>                 Key: HBASE-13532
>                 URL: https://issues.apache.org/jira/browse/HBASE-13532
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Appy
>            Assignee: Appy
>            Priority: Trivial
>         Attachments: HBASE-13532-master.patch, HBASE-13532.patch
>
>
> A customer reported seeing client-side UnknownScannerExceptions after an HBase upgrade/restart.
Restarting a RS will expire leases on the server side. So, given that there was no actual
problem and everything was working as it should, reworking this exception for more appropriate
logging.
> {code}
> org.apache.hadoop.hbase.UnknownScannerException: org.apache.hadoop.hbase.UnknownScannerException:
Name: 10092964, already closed? 
> at org.apache.hadoop.hbase.regionserver.HRegionServer.scan(HRegionServer.java:3043) 
> at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:29497)

> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2012) 
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:98) 
> at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.consumerLoop(SimpleRpcScheduler.java:160)

> at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.access$000(SimpleRpcScheduler.java:38)

> at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler$1.run(SimpleRpcScheduler.java:110)

> at java.lang.Thread.run(Thread.java:724) 
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) 
> at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)

> at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

> at java.lang.reflect.Constructor.newInstance(Constructor.java:526) 
> at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:106)

> at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:95)

> at org.apache.hadoop.hbase.protobuf.ProtobufUtil.getRemoteException(ProtobufUtil.java:284)

> at org.apache.hadoop.hbase.client.ScannerCallable.close(ScannerCallable.java:287) 
> at org.apache.hadoop.hbase.client.ScannerCallable.call(ScannerCallable.java:153) 
> at org.apache.hadoop.hbase.client.ScannerCallable.call(ScannerCallable.java:57) 
> at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:114)

> at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:90)

> at org.apache.hadoop.hbase.client.ClientScanner.close(ClientScanner.java:431) 
> at com.squareup.moco.persistence.TransactionTable.scan(TransactionTable.java:207) 
> at com.squareup.moco.persistence.TransactionTable$$EnhancerByGuice$$a12c1766.CGLIB$scan$9(<generated>)

> at com.squareup.moco.persistence.TransactionTable$$EnhancerByGuice$$a12c1766$$FastClassByGuice$$606c8773.invoke(<generated>)

> at com.google.inject.internal.cglib.proxy.$MethodProxy.invokeSuper(MethodProxy.java:228)

> at com.google.inject.internal.InterceptorStackCallback$InterceptedMethodInvocation.proceed(InterceptorStackCallback.java:75)

> at com.squareup.common.metrics.TimedHistogramInterceptor.invoke(TimedHistogramInterceptor.java:29)

> at com.google.inject.internal.InterceptorStackCallback$InterceptedMethodInvocation.proceed(InterceptorStackCallback.java:75)

> at com.google.inject.internal.InterceptorStackCallback.intercept(InterceptorStackCallback.java:55)

> at com.squareup.moco.persistence.TransactionTable$$EnhancerByGuice$$a12c1766.scan(<generated>)

> at com.squareup.moco.persistence.TransactionTable$1.run(TransactionTable.java:180) 
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) 
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) 
> at java.util.concurrent.FutureTask.run(FutureTask.java:166) 
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) 
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) 
> at java.lang.Thread.run(Thread.java:724) 
> Caused by: org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(org.apache.hadoop.hbase.UnknownScannerException):
org.apache.hadoop.hbase.UnknownScannerException: Name: 10092964, already closed? 
> at org.apache.hadoop.hbase.regionserver.HRegionServer.scan(HRegionServer.java:3043) 
> at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:29497)

> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2012) 
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:98) 
> at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.consumerLoop(SimpleRpcScheduler.java:160)

> at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.access$000(SimpleRpcScheduler.java:38)

> at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler$1.run(SimpleRpcScheduler.java:110)

> at java.lang.Thread.run(Thread.java:724)
> {code}



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