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Posted to issues@impala.apache.org by "bharath v (JIRA)" <ji...@apache.org> on 2018/11/15 00:51:01 UTC

[jira] [Resolved] (IMPALA-7555) impala-shell can hang in connect in certain cases

     [ https://issues.apache.org/jira/browse/IMPALA-7555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

bharath v resolved IMPALA-7555.
-------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 3.1.0

> impala-shell can hang in connect in certain cases
> -------------------------------------------------
>
>                 Key: IMPALA-7555
>                 URL: https://issues.apache.org/jira/browse/IMPALA-7555
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Clients
>    Affects Versions: Impala 3.1.0
>            Reporter: Anuj Phadke
>            Assignee: Anuj Phadke
>            Priority: Major
>             Fix For: Impala 3.1.0
>
>
> # Open a random listening port using netcat (nc -l 1234). 
>  # When I connect through impala-shell to this port, it hangs in the connect call. I think this is similar to impala-shell connecting a load balancer port and the connection between LB and impala going down.
>  # Connect in impala-shell also calls PingImpalaService which does more than a normal TCP connect and can hang. Since there is no timeout set on this socket, connect can hang in this call.
>  # We should set a timeout on the client socket to prevent hangs during the connect phase of session creation.



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