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https://issues.apache.org/jira/browse/OOZIE-3422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16744647#comment-16744647
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Andras Piros commented on OOZIE-3422:
-------------------------------------
Thanks for the contribution [~asalamon74]! +1
> [client] Enhance logging of Oozie client connecting to the Oozie server
> -----------------------------------------------------------------------
>
> Key: OOZIE-3422
> URL: https://issues.apache.org/jira/browse/OOZIE-3422
> Project: Oozie
> Issue Type: Improvement
> Components: client
> Affects Versions: 5.1.0
> Reporter: Andras Salamon
> Assignee: Andras Salamon
> Priority: Major
> Attachments: OOZIE-3422-01.patch
>
>
> When the Oozie client tries to connect to the server and fails the error
> message is not always helpful.
> {noformat}
> $ oozie jobs -oozie http://thisisawrongurl
>
>
>
>
> Error: IO_ERROR : java.io.IOException: Error while connecting Oozie server.
> No of retries = 1. Exception = thisisawrongurl
> {noformat}
> A few examples with more helpful error messages:
> {noformat}
> $ oozie jobs -oozie http://localhost:11001
> Connection exception has occurred [ java.net.ConnectException Connection
> refused (Connection refused) ]. Trying after 1 sec. Retry count = 1
> Connection exception has occurred [ java.net.ConnectException Connection
> refused (Connection refused) ]. Trying after 2 sec. Retry count = 2
> Connection exception has occurred [ java.net.ConnectException Connection
> refused (Connection refused) ]. Trying after 4 sec. Retry count = 3
> Connection exception has occurred [ java.net.ConnectException Connection
> refused (Connection refused) ]. Trying after 8 sec. Retry count = 4
> Error: IO_ERROR : java.io.IOException: Error while connecting Oozie server.
> No of retries = 4. Exception = Connection refused (Connection refused)
> $ oozie jobs -oozie http://localhost:11000/oozietypo
> Error: IO_ERROR : java.io.IOException: Error while connecting Oozie server.
> No of retries = 1. Exception = Could not authenticate, Authentication failed,
> status: 404, message: Not Found
> {noformat}
> It is not enought to print out the {{getMessage()}} of the {{Exception}}, we
> should also print out the full stack trace in the
> {{ConnectionRetriableClient}} class.
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