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From "Koji Noguchi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3138) distcp fail copying to /user/<username>/<newtarget> (with permission on)
Date Mon, 31 Mar 2008 17:54:24 GMT
distcp fail copying to /user/<username>/<newtarget> (with permission on)
------------------------------------------------------------------------

                 Key: HADOOP-3138
                 URL: https://issues.apache.org/jira/browse/HADOOP-3138
             Project: Hadoop Core
          Issue Type: Bug
          Components: util
    Affects Versions: 0.16.1
            Reporter: Koji Noguchi


When distcp-ing to /user/<username>/<newtarget>, I get an error with 

Copy failed: org.apache.hadoop.ipc.RemoteException: org.apache.hadoop.fs.permission.AccessControlException:
Permission denied: user=knoguchi, access=WRITE, inode="user":superuser:superusergroup:rwxr-xr-x

{noformat} 
        at org.apache.hadoop.dfs.PermissionChecker.check(PermissionChecker.java:173)
        at org.apache.hadoop.dfs.PermissionChecker.check(PermissionChecker.java:154)
        at org.apache.hadoop.dfs.PermissionChecker.checkPermission(PermissionChecker.java:102)
        at org.apache.hadoop.dfs.FSNamesystem.checkPermission(FSNamesystem.java:4037)
        at org.apache.hadoop.dfs.FSNamesystem.checkAncestorAccess(FSNamesystem.java:4007)
        at org.apache.hadoop.dfs.FSNamesystem.mkdirsInternal(FSNamesystem.java:1576)
        at org.apache.hadoop.dfs.FSNamesystem.mkdirs(FSNamesystem.java:1559)
        at org.apache.hadoop.dfs.NameNode.mkdirs(NameNode.java:422)
        at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)

        at org.apache.hadoop.ipc.Client.call(Client.java:512)
        at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:198)
        at org.apache.hadoop.dfs.$Proxy0.mkdirs(Unknown Source)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82)
        at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59)
        at org.apache.hadoop.dfs.$Proxy0.mkdirs(Unknown Source)
        at org.apache.hadoop.dfs.DFSClient.mkdirs(DFSClient.java:550)
        at org.apache.hadoop.dfs.DistributedFileSystem.mkdirs(DistributedFileSystem.java:184)
        at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:980)
        at org.apache.hadoop.util.CopyFiles.setup(CopyFiles.java:735)
        at org.apache.hadoop.util.CopyFiles.copy(CopyFiles.java:525)
        at org.apache.hadoop.util.CopyFiles.run(CopyFiles.java:596)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
        at org.apache.hadoop.util.CopyFiles.main(CopyFiles.java:612)
{noformat} 

In distcp set up, we have 
{noformat} 
      if (!dstExists || !dstIsDir) {
        Path parent = destPath.getParent();
        dstfs.mkdirs(parent);
        logPath = new Path(parent, filename);
      }
{noformat} 
We should check if parent path exists before calling mkdir? 


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