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https://issues.apache.org/jira/browse/HADOOP-15217?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joseph Fourny updated HADOOP-15217:
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    Attachment:     (was: TestCase.java)

> org.apache.hadoop.fs.FsUrlConnection does not handle paths with spaces
> ----------------------------------------------------------------------
>
>                 Key: HADOOP-15217
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15217
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 2.6.5
>            Reporter: Joseph Fourny
>            Priority: Major
>         Attachments: TestCase.java
>
>
> When _FsUrlStreamHandlerFactory_ is registered with _java.net.URL_ (ex: when 
> Spark is initialized), it breaks URLs with spaces (even though they are 
> properly URI-encoded). I traced the problem down to 
> _FSUrlConnection.connect()_ method. It naively gets the path from the URL, 
> which contains encoded spaces, and pases it to 
> _org.apache.hadoop.fs.Path(String)_ constructor. This is not correct, because 
> the docs clearly say that the string must NOT be encoded. Doing so causes 
> double encoding within the Path class (ie: %20 becomes %2520). 
> See attached JUnit test. 
> This test case mimics and issue I ran into when trying to use Commons 
> Configuration 1.9 AFTER initializing Spark. Commons Configuration uses URL 
> class to load configuration files, but Spark installs 
> _FsUrlStreamHandlerFactory_, which hits this issue. For now, we are using an 
> AspectJ aspect to "patch" the bytecode at load time to work-around the issue. 
> The real fix is quite simple. All you need to do is replace this line in 
> _org.apache.hadoop.fs.FsUrlConnection.connect()_:
>         is = fs.open(new Path(url.getPath()));
> with this line:
>      is = fs.open(new Path(url.*toUri()*.getPath()));
> URI.getPath() will correctly decode the path, which is what is expected by 
> _org.apache.hadoop.fs.Path(String)_ constructor.
>  



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