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Date: Wed, 5 Oct 2011 16:14:40 +0000 (UTC)
From: "Hudson (Commented) (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HADOOP-7703) WebAppContext should also be
 stopped and cleared
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    [ https://issues.apache.org/jira/browse/HADOOP-7703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13121092#comment-13121092 ] 

Hudson commented on HADOOP-7703:
--------------------------------

Integrated in Hadoop-Common-trunk-Commit #1022 (See [https://builds.apache.org/job/Hadoop-Common-trunk-Commit/1022/])
    HADOOP-7703. Improved excpetion handling of shutting down web server.
(Devaraj K via Eric Yang)

eyang : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1179286
Files : 
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/http/TestHttpServerLifecycle.java

                
> WebAppContext should also be stopped and cleared
> ------------------------------------------------
>
>                 Key: HADOOP-7703
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7703
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 0.24.0
>            Reporter: Devaraj K
>            Assignee: Devaraj K
>             Fix For: 0.24.0
>
>         Attachments: HADOOP-7703.patch
>
>
> 1. If listener stop method throws any exception then the webserver stop method will not be called
> {code}
> public void stop() throws Exception {
>     listener.close();
>     webServer.stop();
> }
> {code}
> 2. also, WebAppContext stores all the context attributes, which does not get cleared if only webServer is stopped.
> so following calls are necessary to ensure clean and complete stop.
> {code}
> webAppContext.clearAttributes();
> webAppContext.stop();
> {code}
> 3. Also the WebAppContext display name can be the name passed to HttpServer instance.
> {code}
> webAppContext.setDisplayName(name);
> {code}
> instead of
> {code}
> webAppContext.setDisplayName("WepAppsContext");
> {code}

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