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From "Liu, Raymond" <raymond....@intel.com>
Subject Executor could not connect to Driver?
Date Fri, 01 Nov 2013 07:14:46 GMT
Hi

I am encounter an issue that the executor actor could not connect to Driver actor. But I could
not figure out what's the reason.

Say the Driver actor is listening on :35838

root@sr434:~# netstat -lpv
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program
name
tcp        0      0 *:50075                 *:*                     LISTEN      18242/java
tcp        0      0 *:50020                 *:*                     LISTEN      18242/java
tcp        0      0 *:ssh                   *:*                     LISTEN      1325/sshd
tcp        0      0 *:50010                 *:*                     LISTEN      18242/java
tcp6       0      0 sr434:35838             [::]:*                  LISTEN      9420/java
tcp6       0      0 [::]:40390              [::]:*                  LISTEN      9420/java
tcp6       0      0 [::]:4040               [::]:*                  LISTEN      9420/java
tcp6       0      0 [::]:8040               [::]:*                  LISTEN      28324/java
tcp6       0      0 [::]:60712              [::]:*                  LISTEN      28324/java
tcp6       0      0 [::]:8042               [::]:*                  LISTEN      28324/java
tcp6       0      0 [::]:34028              [::]:*                  LISTEN      9420/java
tcp6       0      0 [::]:ssh                [::]:*                  LISTEN      1325/sshd
tcp6       0      0 [::]:45528              [::]:*                  LISTEN      9420/java
tcp6       0      0 [::]:13562              [::]:*                  LISTEN      28324/java


while the executor driver report errors as below :

13/11/01 13:16:43 INFO executor.CoarseGrainedExecutorBackend: Connecting to driver: akka://spark@sr434:35838/user/CoarseGrainedScheduler
13/11/01 13:16:43 ERROR executor.CoarseGrainedExecutorBackend: Driver terminated or disconnected!
Shutting down.

Any idea?

Best Regards,
Raymond Liu

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