[jira] [Updated] (HADOOP-8573) Configuration tries to read from an inputstream resource multiple times.

["Robert Joseph Evans (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-8573?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Joseph Evans updated HADOOP-8573:
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    Attachment: HADOOP-8573.txt

This patch just does basic caching on the parsed properties for an InputStream.  It replaces the InputStream in the resources array with the properties themselves.
                
> Configuration tries to read from an inputstream resource multiple times. 
> -------------------------------------------------------------------------
>
>                 Key: HADOOP-8573
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8573
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: conf
>    Affects Versions: 1.0.2, 0.23.3, 2.0.1-alpha, 3.0.0
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>         Attachments: HADOOP-8573.txt
>
>
> If someone calls Configuration.addResource(InputStream) and then reloadConfiguration is called for any reason, Configruation will try to reread the contents of the InputStream, after it has already closed it.
> This never showed up in 1.0 because the framework itself does not call addResource with an InputStream, and typically by the time user code starts running that might call this, all of the default and site resources have already been loaded.
> In 0.23 mapreduce is now a client library, and mapred-site.xml and mapred-default.xml are loaded much later in the process.

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