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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:
-----------------------------------
Affects Version/s: 2.8.3
2.7.5
> 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: 3.0.0
> 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 an 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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