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https://issues.apache.org/jira/browse/HADOOP-8653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy updated HADOOP-8653:
----------------------------------
Fix Version/s: (was: 2.0.1-alpha)
3.0.0
> FTPFileSystem rename broken
> ---------------------------
>
> Key: HADOOP-8653
> URL: https://issues.apache.org/jira/browse/HADOOP-8653
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.20.2, 2.0.0-alpha
> Reporter: Karel Kolman
> Fix For: 3.0.0
>
> Attachments: HDFS-8653-1.patch
>
>
> The FTPFileSystem.rename(FTPClient client, Path src, Path dst) method is
> broken.
> The changeWorkingDirectory command underneath is being passed a string with
> file:// uri prefix (which FTP server does not understand obviously)
> {noformat}
> INFO [2012-08-06 12:59:39] (DefaultSession.java:297) - Received command: [CWD
> ftp://localhost:61246/tmp/myfile]
> WARN [2012-08-06 12:59:39] (AbstractFakeCommandHandler.java:213) - Error
> handling command: Command[CWD:[ftp://localhost:61246/tmp/myfile]];
> org.mockftpserver.fake.filesystem.FileSystemException:
> /ftp://localhost:61246/tmp/myfile
> org.mockftpserver.fake.filesystem.FileSystemException:
> /ftp://localhost:61246/tmp/myfile
> at
> org.mockftpserver.fake.command.AbstractFakeCommandHandler.verifyFileSystemCondition(AbstractFakeCommandHandler.java:264)
> at
> org.mockftpserver.fake.command.CwdCommandHandler.handle(CwdCommandHandler.java:44)
> at
> org.mockftpserver.fake.command.AbstractFakeCommandHandler.handleCommand(AbstractFakeCommandHandler.java:76)
> at
> org.mockftpserver.core.session.DefaultSession.readAndProcessCommand(DefaultSession.java:421)
> at
> org.mockftpserver.core.session.DefaultSession.run(DefaultSession.java:384)
> at java.lang.Thread.run(Thread.java:680)
> {noformat}
> The solution would be this:
> {noformat}
> --- a/FTPFileSystem.java
> +++ b/FTPFileSystem.java
> @@ -549,15 +549,15 @@ public class FTPFileSystem extends FileSystem {
> throw new IOException("Destination path " + dst
> + " already exist, cannot rename!");
> }
> - String parentSrc = absoluteSrc.getParent().toUri().toString();
> - String parentDst = absoluteDst.getParent().toUri().toString();
> + URI parentSrc = absoluteSrc.getParent().toUri();
> + URI parentDst = absoluteDst.getParent().toUri();
> String from = src.getName();
> String to = dst.getName();
> - if (!parentSrc.equals(parentDst)) {
> + if (!parentSrc.toString().equals(parentDst.toString())) {
> throw new IOException("Cannot rename parent(source): " + parentSrc
> + ", parent(destination): " + parentDst);
> }
> - client.changeWorkingDirectory(parentSrc);
> + client.changeWorkingDirectory(parentSrc.getPath().toString());
> boolean renamed = client.rename(from, to);
> return renamed;
> }
> {noformat}
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