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https://issues.apache.org/jira/browse/HDDS-8857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sadanand Shenoy resolved HDDS-8857.
-----------------------------------
Resolution: Fixed
> [snapshot] UnsupportedOperationException for snapshot distcp operation
> ----------------------------------------------------------------------
>
> Key: HDDS-8857
> URL: https://issues.apache.org/jira/browse/HDDS-8857
> Project: Apache Ozone
> Issue Type: Bug
> Components: Ozone Manager
> Reporter: Jyotirmoy Sinha
> Assignee: Sadanand Shenoy
> Priority: Major
> Labels: ozone-snapshot, pull-request-available
>
> UnsupportedOperationException for snapshot distcp operation
> Exception stacktrace -
> {code:java}
> [root@jssnap-1 ~]# sudo -u hdfs hadoop distcp -update -diff snap1 snap2
> ofs://ozone1/vol1/buck1 ofs://ozone1/voldest1/buckdest1
> 23/06/15 10:29:20 INFO tools.DistCp: Input Options:
> DistCpOptions{atomicCommit=false, syncFolder=true, deleteMissing=false,
> ignoreFailures=false, overwrite=false, append=false, useDiff=true,
> useRdiff=false, fromSnapshot=snap1, toSnapshot=snap2, skipCRC=false,
> blocking=true, numListstatusThreads=0, maxMaps=20, mapBandwidth=0.0,
> copyStrategy='uniformsize', preserveStatus=[], atomicWorkPath=null,
> logPath=null, sourceFileListing=null, sourcePaths=[ofs://ozone1/vol1/buck1],
> targetPath=ofs://ozone1/voldest1/buckdest1, filtersFile='null',
> blocksPerChunk=0, copyBufferSize=8192, verboseLog=false, directWrite=false,
> useiterator=false}, sourcePaths=[ofs://ozone1/vol1/buck1],
> targetPathExists=true, preserveRawXattrsfalse
> 23/06/15 10:29:21 INFO client.RMProxy: Connecting to ResourceManager at
> jssnap-2.jssnap.root.hwx.site/172.27.29.84:8032
> 23/06/15 10:29:21 ERROR tools.DistCp: Exception encountered
> java.lang.UnsupportedOperationException: The source file system ofs does not
> support snapshot.
> at
> org.apache.hadoop.tools.DistCpSync.checkFilesystemSupport(DistCpSync.java:164)
> at org.apache.hadoop.tools.DistCpSync.preSyncCheck(DistCpSync.java:110)
> at org.apache.hadoop.tools.DistCpSync.sync(DistCpSync.java:193)
> at org.apache.hadoop.tools.DistCp.prepareFileListing(DistCp.java:88)
> at org.apache.hadoop.tools.DistCp.createAndSubmitJob(DistCp.java:216)
> at org.apache.hadoop.tools.DistCp.execute(DistCp.java:193)
> at org.apache.hadoop.tools.DistCp.run(DistCp.java:155)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:81)
> at org.apache.hadoop.tools.DistCp.main(DistCp.java:445) {code}
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