Mingliang Liu created HBASE-22607:
-------------------------------------
Summary: TestExportSnapshotNoCluster fails intermittently
Key: HBASE-22607
URL: https://issues.apache.org/jira/browse/HBASE-22607
Project: HBase
Issue Type: Bug
Components: test
Affects Versions: 2.2.0, 3.0.0, 2.0.6
Reporter: Mingliang Liu
Assignee: Mingliang Liu
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 happen 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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