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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-3857) Add reconnect attempt to Elasticsearch host
Date Fri, 06 May 2016 04:00:15 GMT

    [ https://issues.apache.org/jira/browse/FLINK-3857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15273608#comment-15273608

ASF GitHub Bot commented on FLINK-3857:

Github user sbcd90 commented on the pull request:

    Hello @rmetzger ,
    Looking at the test case `ElasticsearchSinkItCase.testTransportClient`, I think to test
the re-connect scenario the `hasFailure` may need to be made `public` so that the test-method
can set it.
    Can you kindly provide some suggestions?

> Add reconnect attempt to Elasticsearch host
> -------------------------------------------
>                 Key: FLINK-3857
>                 URL: https://issues.apache.org/jira/browse/FLINK-3857
>             Project: Flink
>          Issue Type: Improvement
>          Components: Streaming Connectors
>    Affects Versions: 1.1.0, 1.0.2
>            Reporter: Fabian Hueske
>            Assignee: Subhobrata Dey
> Currently, the connection to the Elasticsearch host is opened in {{ElasticsearchSink.open()}}.
In case the connection is lost (maybe due to a changed DNS entry), the sink fails.
> I propose to catch the Exception for lost connections in the {{invoke()}} method and
try to re-open the connection for a configurable number of times with a certain delay.

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