[HADOOP-15838] Copy files from SFTP to HDFS using DistCp failed with error

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.5.0, 2.7.2
• Fix Version/s: 2.7.5
• Component/s: tools/distcp
• Labels: distcp hadoop-tools

Environment

Hadoop 2.5.0 + kerberos

• Target Version/s: 2.7.6
• Assignee: Unassigned
• Reporter: LinJi
• Created: 10/Oct/18 06:42
• Updated: 10/Oct/18 06:46

Description

1. When I run command:

hadoop distcp sftp://mysftp:1qaz_@WSX@192.168.1.44:/upload/hosts /tmp/JOY

 

I got error like:

 

2018-10-10 22:31:37,799 INFO util.KerberosUtil: Using principal pattern: HTTP/_HOST
2018-10-10 22:31:39,055 INFO tools.DistCp: Input Options: DistCpOptions{atomicCommit=false, syncFolder=false, deleteMissing=false, ignoreFailures=false, maxMaps=20, sslConfigurationFile='null', copyStrategy='uniformsize', sourceFileListing=null, sourcePaths=[sftp://mysftp:1qaz_@WSX@192.168.1.44:/upload/hosts], targetPath=/tmp/JOY, targetPathExists=false}
2018-10-10 22:31:39,365 ERROR tools.DistCp: Exception encountered
java.io.IOException: Invalid host specified
        at org.apache.hadoop.fs.sftp.SFTPFileSystem.initialize(SFTPFileSystem.java:67)
        at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2591)
        at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:89)
        at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2643)
        at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2625)
        at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:368)
        at org.apache.hadoop.fs.Path.getFileSystem(Path.java:296)
        at org.apache.hadoop.tools.GlobbedCopyListing.doBuildListing(GlobbedCopyListing.java:76)
        at org.apache.hadoop.tools.CopyListing.buildListing(CopyListing.java:84)
        at org.apache.hadoop.tools.DistCp.createInputFileListing(DistCp.java:353)
        at org.apache.hadoop.tools.DistCp.execute(DistCp.java:160)
        at org.apache.hadoop.tools.DistCp.run(DistCp.java:121)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
        at org.apache.hadoop.tools.DistCp.main(DistCp.java:401)

 

2. When I run command:

hadoop distcp sftp://mysftp:1qaz_%40WSX@192.168.1.44:/upload/hosts /tmp/JOY

I got error like:

2018-10-10 22:31:59,909 INFO util.KerberosUtil: Using principal pattern: HTTP/_HOST

2018-10-10 22:32:01,286 INFO tools.DistCp: Input Options: DistCpOptions{atomicCommit=false, syncFolder=false, deleteMissing=false, ignoreFailures=false, maxMaps=20, sslConfigurationFile='null', copyStrategy='uniformsize', sourceFileListing=null, sourcePaths=[sftp://mysftp:1qaz_%40WSX@192.168.1.44:/upload/hosts], targetPath=/tmp/JOY, targetPathExists=false}

2018-10-10 22:32:02,190 ERROR tools.DistCp: Exception encountered

java.io.IOException: SSH_MSG_DISCONNECT: 2 Too many authentication failures for mysftp

        at org.apache.hadoop.fs.sftp.SFTPFileSystem.connect(SFTPFileSystem.java:143)

        at org.apache.hadoop.fs.sftp.SFTPFileSystem.getFileStatus(SFTPFileSystem.java:371)

        at org.apache.hadoop.fs.Globber.getFileStatus(Globber.java:57)

        at org.apache.hadoop.fs.Globber.glob(Globber.java:252)

        at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:1623)

        at org.apache.hadoop.tools.GlobbedCopyListing.doBuildListing(GlobbedCopyListing.java:77)

        at org.apache.hadoop.tools.CopyListing.buildListing(CopyListing.java:84)

        at org.apache.hadoop.tools.DistCp.createInputFileListing(DistCp.java:353)

        at org.apache.hadoop.tools.DistCp.execute(DistCp.java:160)

        at org.apache.hadoop.tools.DistCp.run(DistCp.java:121)

        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)

        at org.apache.hadoop.tools.DistCp.main(DistCp.java:401)

The SFTP username is mysftp

password is 1qaz_@WSX