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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3477) TimelineClientImpl swallows exceptions
Date Thu, 19 Nov 2015 13:10:11 GMT

    [ https://issues.apache.org/jira/browse/YARN-3477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15013503#comment-15013503
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Steve Loughran commented on YARN-3477:
--------------------------------------

test runner host looks a mess; something is picking up what appears to be ipv6 addresses as
hostnames
{code}
Invalid host name: local host is: (unknown); destination host is: "6b5b453fea76":8033; java.net.UnknownHostException;
For more details see:  http://wiki.apache.org/hadoop/UnknownHost
{code}

> TimelineClientImpl swallows exceptions
> --------------------------------------
>
>                 Key: YARN-3477
>                 URL: https://issues.apache.org/jira/browse/YARN-3477
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: timelineserver
>    Affects Versions: 2.6.0, 2.7.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>         Attachments: YARN-3477-001.patch, YARN-3477-002.patch
>
>
> If timeline client fails more than the retry count, the original exception is not thrown.
Instead some runtime exception is raised saying "retries run out"
> # the failing exception should be rethrown, ideally via NetUtils.wrapException to include
URL of the failing endpoing
> # Otherwise, the raised RTE should (a) state that URL and (b) set the original fault
as the inner cause



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