[ https://issues.apache.org/jira/browse/HDFS-10216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Takashi Ohnishi updated HDFS-10216: ----------------------------------- Attachment: HDFS-10216.1.patch Attached patch. > 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: Takashi Ohnishi > Priority: Critical > Attachments: HDFS-10216.1.patch > > > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)