Anuj Phadke created IMPALA-7555:
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Summary: 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
# 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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