[jira] Commented: (HADOOP-6624) Hadoop conf/ servlet is serving up an invalid JSON file

["Steve Loughran (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-6624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12843044#action_12843044 ] 

Steve Loughran commented on HADOOP-6624:
----------------------------------------

It may make sense to write the props to a buffer and then include a content-length header, make it easier for things to detect breakage en-route, proxy servers playing up, etc, etc. 

> Hadoop conf/ servlet is serving up an invalid JSON file
> -------------------------------------------------------
>
>                 Key: HADOOP-6624
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6624
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: conf
>    Affects Versions: 0.22.0
>         Environment: Suse, Java 6, virtual infrastructure.
>            Reporter: Steve Loughran
>            Priority: Minor
>         Attachments: jtconf.xml
>
>
> Seeing this on a machine hosting both the NN and JT. The NN's conf/ servlet works as both XML and JSON, but the JT's conf is only coming back as XML, when I ask for JSON I see
> {code}
> {"properties":[
> {code}
> To make sure nothing was interfering I connected to the box, did a direct telnet
> {code}
> masterc0-vif0:~ # telnet masterc0-vif0 50030
> Trying 10.144.175.2...
> Connected to masterc0-vif0.
> Escape character is '^]'.
> GET /conf?format=json HTTP/1.0
> HTTP/1.1 200 OK
> Content-Type: text/javascript; charset=utf-8
> Server: Jetty(6.1.14)
> {"properties":[Connection closed by foreign host.
> masterc0-vif0:~ # 
> {code}

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