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From "Marcelo Vanzin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-16071) Spark remote driver misuses the timeout in RPC handshake
Date Wed, 01 Mar 2017 18:42:45 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15890770#comment-15890770
] 

Marcelo Vanzin commented on HIVE-16071:
---------------------------------------

re: the timeout used in 2 places, it's been a while since I closely looked at that code, but
I think in the end only one of them matters (i.e. the second one ends up being pre-empted
by the first one firing). The idea is that once you start a Spark app, you have that much
time before the app starts and registers (i.e. completes the handshake).

> Spark remote driver misuses the timeout in RPC handshake
> --------------------------------------------------------
>
>                 Key: HIVE-16071
>                 URL: https://issues.apache.org/jira/browse/HIVE-16071
>             Project: Hive
>          Issue Type: Bug
>          Components: Spark
>            Reporter: Chaoyu Tang
>            Assignee: Chaoyu Tang
>         Attachments: HIVE-16071.patch
>
>
> Based on its property description in HiveConf and the comments in HIVE-12650 (https://issues.apache.org/jira/browse/HIVE-12650?focusedCommentId=15128979&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15128979),
hive.spark.client.connect.timeout is the timeout when the spark remote driver makes a socket
connection (channel) to RPC server. But currently it is also used by the remote driver for
RPC client/server handshaking, which is not right. Instead, hive.spark.client.server.connect.timeout
should be used and it has already been used by the RPCServer in the handshaking.
> The error like following is usually caused by this issue, since the default hive.spark.client.connect.timeout
value (1000ms) used by remote driver for handshaking is a little too short.
> {code}
> 17/02/20 08:46:08 ERROR yarn.ApplicationMaster: User class threw exception: java.util.concurrent.ExecutionException:
javax.security.sasl.SaslException: Client closed before SASL negotiation finished.
> java.util.concurrent.ExecutionException: javax.security.sasl.SaslException: Client closed
before SASL negotiation finished.
>         at io.netty.util.concurrent.AbstractFuture.get(AbstractFuture.java:37)
>         at org.apache.hive.spark.client.RemoteDriver.<init>(RemoteDriver.java:156)
>         at org.apache.hive.spark.client.RemoteDriver.main(RemoteDriver.java:556)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:606)
>         at org.apache.spark.deploy.yarn.ApplicationMaster$$anon$2.run(ApplicationMaster.scala:542)
> Caused by: javax.security.sasl.SaslException: Client closed before SASL negotiation finished.
>         at org.apache.hive.spark.client.rpc.Rpc$SaslClientHandler.dispose(Rpc.java:453)
>         at org.apache.hive.spark.client.rpc.SaslHandler.channelInactive(SaslHandler.java:90)
> {code}



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