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