[pgpool-general: 4869] Re: Pgpool2-ERROR: unable to read data from frontend

Tatsuo Ishii ishii at sraoss.co.jp
Fri Aug 5 08:31:06 JST 2016


It seems it's client side issue, rather than Pgpool-II issue.  You
could verify it by using another client machine or psql on the host
Pgpool-II is running on.

Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp

> Hi,
> While making connection the pgool2 is giving error like:
> DETAIL: socket read failed with an error "Connection reset by peer"
> And the connection are getting rejected.
> Is it an issue from pgpool2 end..or is it a connection issue as we are trying to make connection from the windows environment in order to test the load balancing through PGPOOL2.
> 
> 
> Below are the specified logs:
> 
> 
> Aug 4
> 
> 19:12:51
> 
> HOSTNAME pgpool[8149]:
> 
> 2016-08-04 19:12:51: pid 8195: LOG: DB node id: 0 backend pid: 10402 statement: BEGIN
> 
> Aug 4
> 
> 19:12:51
> 
> HOSTNAME pgpool[8149]:
> 
> 2016-08-04 19:12:51: pid 8195: LOG: DB node id: 1 backend pid: 55023 statement: BEGIN
> 
> Aug 4
> 
> 19:12:51
> 
> HOSTNAME pgpool[8149]:
> 
> 2016-08-04 19:12:51: pid 8195: LOG: statement: SELECT * FROM topic WHERE name = 'painters' and ent_id = 1
> 
> Aug 4
> 
> 19:12:51
> 
> HOSTNAME pgpool[8149]:
> 
> 2016-08-04 19:12:51: pid 8195: LOG: DB node id: 0 backend pid: 10402 statement: SELECT count(*) FROM pg_class AS c, pg_namespace AS n WHERE c.relname = 'topic' AND c.relnamespace = n.oid AND n.nspname ~ '^pg_temp_'
> 
> Aug 4
> 
> 19:12:51
> 
> HOSTNAME pgpool[8149]:
> 
> 2016-08-04 19:12:51: pid 8195: LOG: DB node id: 1 backend pid: 55023 statement: SELECT * FROM topic WHERE name = 'painters' and ent_id = 1
> 
> Aug 4
> 
> 19:12:51
> 
> HOSTNAME pgpool[8149]:
> 
> 2016-08-04 19:12:51: pid 8195: ERROR: unable to read data from frontend
> 
> Aug 4
> 
> 19:12:51
> 
> HOSTNAME pgpool[8149]:
> 
> 2016-08-04 19:12:51: pid 8195: DETAIL: socket read failed with an error "Connection reset by peer"
> 
> Aug 4
> 
> 19:12:51
> 
> HOSTNAME pgpool[8149]:
> 
> 2016-08-04 19:12:51: pid 8195: LOG: statement: ABORT
> 
> Aug 4
> 
> 19:12:51
> 
> HOSTNAME pgpool[8149]:
> 
> 2016-08-04 19:12:51: pid 8195: LOG: DB node id: 1 backend pid: 55023 statement: ABORT
> 
> Aug 4
> 
> 19:12:51
> 
> HOSTNAME pgpool[8149]:
> 
> 2016-08-04 19:12:51: pid 8195: LOG: DB node id: 0 backend pid: 10402 statement: ABORT
> 
> Aug 4
> 
> 19:12:51
> 
> HOSTNAME pgpool[8149]:
> 
> 2016-08-04 19:12:51: pid 8195: LOG: statement: DISCARD ALL
> 
> Aug 4
> 
> 19:12:51
> 
> HOSTNAME pgpool[8149]:
> 
> 2016-08-04 19:12:51: pid 8195: LOG: DB node id: 0 backend pid: 10402 statement: DISCARD ALL
> 
> Aug 4
> 
> 19:12:51
> 
> HOSTNAME pgpool[8149]:
> 
> 2016-08-04 19:12:51: pid 8195: LOG: DB node id: 1 backend pid: 55023 statement: DISCARD ALL
> 
> 
> 
> Thanks in advance.
> 
> Thanks and Regards,
> Kanak Upadhyay
> Xavient Information Systems
> 
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