[jira] [Commented] (HBASE-22607) TestExportSnapshotNoCluster fails intermittently

["HBase QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-22607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16868116#comment-16868116 ] 

HBase QA commented on HBASE-22607:
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|| Vote || Subsystem || Runtime || Comment ||
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| {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green}  0m  0s{color} | {color:green} Patch does not have any anti-patterns. {color} |
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| {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} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m  6s{color} | {color:green} master passed {color} |
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|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 15s{color} | {color:green} the patch passed {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce base: https://builds.apache.org/job/PreCommit-HBASE-Build/557/artifact/patchprocess/Dockerfile |
| JIRA Issue | HBASE-22607 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12972256/HBASE-22607.000.patch |
| Optional Tests |  dupname  asflicense  javac  javadoc  unit  findbugs  shadedjars  hadoopcheck  hbaseanti  checkstyle  compile  |
| uname | Linux 8732f3d4787b 4.4.0-139-generic #165-Ubuntu SMP Wed Oct 24 10:58:50 UTC 2018 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/hbase-personality.sh |
| git revision | master / 92ee197647 |
| maven | version: Apache Maven 3.5.4 (1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-17T18:33:14Z) |
| Default Java | 1.8.0_181 |
| findbugs | v3.1.11 |
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/557/testReport/ |
| Max. process+thread count | 5388 (vs. ulimit of 10000) |
| modules | C: hbase-mapreduce U: hbase-mapreduce |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/557/console |
| Powered by | Apache Yetus 0.9.0 http://yetus.apache.org |


This message was automatically generated.



> TestExportSnapshotNoCluster fails intermittently
> ------------------------------------------------
>
>                 Key: HBASE-22607
>                 URL: https://issues.apache.org/jira/browse/HBASE-22607
>             Project: HBase
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 3.0.0, 2.2.0, 2.0.6
>            Reporter: Mingliang Liu
>            Assignee: Mingliang Liu
>            Priority: Major
>         Attachments: HBASE-22607.000.patch
>
>
> In previous runs, test {{TestExportSnapshotNoCluster.testSnapshotWithRefsExportFileSystemState}} fails intermittently with {{java.net.ConnectException: Connection refused}} exception, see build [510|https://builds.apache.org/job/PreCommit-HBASE-Build/510/testReport/org.apache.hadoop.hbase.snapshot/TestExportSnapshotNoCluster/testSnapshotWithRefsExportFileSystemState/], [545|https://builds.apache.org/job/PreCommit-HBASE-Build/545/testReport/org.apache.hadoop.hbase.snapshot/TestExportSnapshotNoCluster/testSnapshotWithRefsExportFileSystemState/], and [556|https://builds.apache.org/job/PreCommit-HBASE-Build/556/testReport/org.apache.hadoop.hbase.snapshot/TestExportSnapshotNoCluster/testSnapshotWithRefsExportFileSystemState/].
> So one sample exception is like:
> {quote}
> at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:155)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:346)
> 	at com.sun.proxy.$Proxy20.getListing(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.listPaths(DFSClient.java:1630)
> 	at org.apache.hadoop.hdfs.DFSClient.listPaths(DFSClient.java:1614)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.listStatusInternal(DistributedFileSystem.java:900)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.access$600(DistributedFileSystem.java:114)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:964)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:961)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.listStatus(DistributedFileSystem.java:961)
> 	at org.apache.hadoop.fs.FileSystem.listStatus(FileSystem.java:1537)
> 	at org.apache.hadoop.fs.FileSystem.listStatus(FileSystem.java:1580)
> 	at org.apache.hadoop.hbase.util.CommonFSUtils.listStatus(CommonFSUtils.java:693)
> 	at org.apache.hadoop.hbase.util.FSTableDescriptors.getCurrentTableInfoStatus(FSTableDescriptors.java:448)
> 	at org.apache.hadoop.hbase.util.FSTableDescriptors.getTableInfoPath(FSTableDescriptors.java:429)
> 	at org.apache.hadoop.hbase.util.FSTableDescriptors.getTableInfoPath(FSTableDescriptors.java:410)
> 	at org.apache.hadoop.hbase.util.FSTableDescriptors.createTableDescriptorForTableDirectory(FSTableDescriptors.java:763)
> 	at org.apache.hadoop.hbase.snapshot.SnapshotTestingUtils$SnapshotMock.createTable(SnapshotTestingUtils.java:675)
> 	at org.apache.hadoop.hbase.snapshot.SnapshotTestingUtils$SnapshotMock.createSnapshot(SnapshotTestingUtils.java:653)
> 	at org.apache.hadoop.hbase.snapshot.SnapshotTestingUtils$SnapshotMock.createSnapshot(SnapshotTestingUtils.java:647)
> 	at org.apache.hadoop.hbase.snapshot.SnapshotTestingUtils$SnapshotMock.createSnapshotV2(SnapshotTestingUtils.java:637)
> 	at org.apache.hadoop.hbase.snapshot.TestExportSnapshotNoCluster.testSnapshotWithRefsExportFileSystemState(TestExportSnapshotNoCluster.java:80)
> {quote}
> This seems that, somehow the rootdir filesystem is not LocalFileSystem, but on HDFS. I have not dig deeper why this happens since it's failing intermittently and I can not reproduce it locally. Since this is testing export snapshot tool without cluster, we can enforce it using LocalFileSystem; no breaking change.



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