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Posted to hdfs-dev@hadoop.apache.org by "John Zhuge (JIRA)" <ji...@apache.org> on 2016/03/25 18:08:25 UTC
[jira] [Created] (HDFS-10216) distcp -diff relative path exception
John Zhuge created HDFS-10216:
---------------------------------
Summary: distcp -diff relative path exception
Key: HDFS-10216
URL: https://issues.apache.org/jira/browse/HDFS-10216
Project: Hadoop HDFS
Issue Type: Bug
Components: distcp
Affects Versions: 2.6.0
Reporter: John Zhuge
Assignee: John Zhuge
Priority: Critical
Got this exception when running {{distcp -diff}} with relative paths:
{code}
$ hadoop distcp -update -diff s1 s2 d1 d2
16/03/25 09:45:40 INFO tools.DistCp: Input Options: DistCpOptions{atomicCommit=false, syncFolder=true, deleteMissing=false, ignoreFailures=false, maxMaps=20, sslConfigurationFile='null', copyStrategy='uniformsize', sourceFileListing=null, sourcePaths=[d1], targetPath=d2, targetPathExists=true, preserveRawXattrs=false, filtersFile='null'}
16/03/25 09:45:40 INFO client.RMProxy: Connecting to ResourceManager at jzhuge-balancer-1.vpc.cloudera.com/172.26.21.70:8032
16/03/25 09:45:41 ERROR tools.DistCp: Exception encountered
java.lang.IllegalArgumentException: java.net.URISyntaxException: Relative path in absolute URI: hdfs://jzhuge-balancer-1.vpc.cloudera.com:8020./d1/.snapshot/s2
at org.apache.hadoop.fs.Path.initialize(Path.java:206)
at org.apache.hadoop.fs.Path.<init>(Path.java:197)
at org.apache.hadoop.tools.SimpleCopyListing.getPathWithSchemeAndAuthority(SimpleCopyListing.java:193)
at org.apache.hadoop.tools.SimpleCopyListing.addToFileListing(SimpleCopyListing.java:202)
at org.apache.hadoop.tools.SimpleCopyListing.doBuildListingWithSnapshotDiff(SimpleCopyListing.java:243)
at org.apache.hadoop.tools.SimpleCopyListing.doBuildListing(SimpleCopyListing.java:172)
at org.apache.hadoop.tools.CopyListing.buildListing(CopyListing.java:86)
at org.apache.hadoop.tools.DistCp.createInputFileListingWithDiff(DistCp.java:388)
at org.apache.hadoop.tools.DistCp.execute(DistCp.java:164)
at org.apache.hadoop.tools.DistCp.run(DistCp.java:123)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.hadoop.tools.DistCp.main(DistCp.java:436)
Caused by: java.net.URISyntaxException: Relative path in absolute URI: hdfs://jzhuge-balancer-1.vpc.cloudera.com:8020./d1/.snapshot/s2
at java.net.URI.checkPath(URI.java:1804)
at java.net.URI.<init>(URI.java:752)
at org.apache.hadoop.fs.Path.initialize(Path.java:203)
... 11 more
{code}
But theses commands worked:
* Absolute path: {{hadoop distcp -update -diff s1 s2 /user/systest/d1 /user/systest/d2}}
* No {{-diff}}: {{hadoop distcp -update d1 d2}}
However, everything was fine when I ran {{hadoop distcp -update -diff s1 s2 d1 d2}} again. I am not sure the problem only exists with option {{-diff}}. Trying to reproduce.
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