[jira] Commented: (HADOOP-1373) checkPath() throws IllegalArgumentException

["Edward J. Yoon (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-1373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12585032#action_12585032 ] 

Edward J. Yoon commented on HADOOP-1373:
----------------------------------------

I think HOSTNAME should be changed from upper to lower case as describe below.

{code}
    if (thisScheme.equals(thatScheme)) {          // schemes match
      if(thisAuthority != null && thatAuthority != null) {
        thisAuthority = thisAuthority.toLowerCase();
        thatAuthority = thatAuthority.toLowerCase();
      }
    ...
{code}

Is it create any problems?

> checkPath() throws IllegalArgumentException
> -------------------------------------------
>
>                 Key: HADOOP-1373
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1373
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.12.3
>         Environment: Windows, Linux
>            Reporter: Konstantin Shvachko
>            Assignee: Edward J. Yoon
>
> This was introduced recently in one of the patches committed around 05/15 or 05/14.
> I am running TestDFSIO on a two node cluster. Here is the exception I get
> 07/05/15 19:14:53 INFO mapred.TaskInProgress: Error from task_0001_m_000007_0: java.lang.IllegalArgumentException: Wrong FS: hdfs://MY-HOST:7017/benchmarks/TestDFSIO/io_control/in_file_test_io_7, expected: hdfs://my-host:7017
>     at org.apache.hadoop.fs.FileSystem.checkPath(FileSystem.java:230)
>     at org.apache.hadoop.dfs.DistributedFileSystem$RawDistributedFileSystem.getPath(DistributedFileSystem.java:110)
>     at org.apache.hadoop.dfs.DistributedFileSystem$RawDistributedFileSystem.exists(DistributedFileSystem.java:170)
>     at org.apache.hadoop.fs.FilterFileSystem.exists(FilterFileSystem.java:168)
>     at org.apache.hadoop.fs.ChecksumFileSystem.open(ChecksumFileSystem.java:335)
>     at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1162)
>     at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1156)
>     at org.apache.hadoop.mapred.SequenceFileRecordReader.<init>(SequenceFileRecordReader.java:40)
>     at org.apache.hadoop.mapred.SequenceFileInputFormat.getRecordReader(SequenceFileInputFormat.java:54)
>     at org.apache.hadoop.mapred.MapTask.run(MapTask.java:149)
>     at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1709)
> I confess, my config on one of the machines specifies name-node "MY-HOST:7017" and on the other one "my-host:7017".
> But that was acceptable before and should stay that way in the future afaiu.

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