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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4212) New lines and leading spaces are not trimmed of a value when configuration is read
Date Fri, 24 Oct 2008 18:37:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12642508#action_12642508

Chris Douglas commented on HADOOP-4212:

bq. User looks at the ./hadoop queue list and finds out there is a job queue A, and does not
notice the extra space which is hidden in output in console and in web. And mentions in his
jobconf to submit to job queue A, the system checks for queue information in job sees that
there is no queue called A(without space i.e.) and submits the job to the default queue. Which
is wrong.
bq. You might argue that as an implementer, I should do checking with trimming the space,
but then again this can cause bugs to due accidental mis-configuration.

I don't follow. Configuration should call trim before returning the queue name, but if the
callee(s) were to call trim on the same String, it "can cause bugs [due to] accidental misconfiguration?"

> New lines and leading spaces are not trimmed of a value when configuration is read
> ----------------------------------------------------------------------------------
>                 Key: HADOOP-4212
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4212
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: conf
>    Affects Versions: 0.18.1
>         Environment: Generic
>            Reporter: Sreekanth Ramakrishnan
>            Assignee: Sreekanth Ramakrishnan
>            Priority: Minor
>         Attachments: HADOOP-4212-1.patch, HADOOP-4212-TESTCASE.patch
> While configuration value is read the leading and trailing spaces and new line characters
are taken into account.

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