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From "kanaka kumar avvaru (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HDFS-8750) FIleSystem does not honor Configuration.getClassLoader() while loading FileSystem implementations
Date Fri, 10 Jul 2015 07:14:04 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8750?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

kanaka kumar avvaru reassigned HDFS-8750:
-----------------------------------------

    Assignee: kanaka kumar avvaru

> FIleSystem does not honor Configuration.getClassLoader() while loading FileSystem implementations
> -------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-8750
>                 URL: https://issues.apache.org/jira/browse/HDFS-8750
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: fs, HDFS
>            Reporter: Himanshu
>            Assignee: kanaka kumar avvaru
>
> In FileSystem.loadFileSystems(), at 
> https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileSystem.java#L2652
> a "scheme" -> "FileSystem implementation" map is created from the jars available on
classpath. It uses Thread.currentThread().getClassLoader() via ServiceLoader.load(FileSystem.class)
> Instead, loadFileSystems() should take Configuration as an argument and should first
check if a classloader is configured in configuration.getClassLoader(), if yes then ServiceLoader.load(FileSystem.class,
configuration.getClassLoader()) should be used.



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