Re: An I/O error occured while sending to the backend

From: wbrana <wbrana(at)gmail(dot)com>
To: Craig Ringer <ringerc(at)ringerc(dot)id(dot)au>
Cc: pgsql-jdbc(at)postgresql(dot)org
Subject: Re: An I/O error occured while sending to the backend
Date: 2012-06-11 10:14:41
Message-ID: CAJ7jCmkcGT511EjYQVnKLcta=46dL_QWYREq15dzHkOBn5wv3A@mail.gmail.com
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On Mon, Jun 11, 2012 at 4:28 AM, Craig Ringer <ringerc(at)ringerc(dot)id(dot)au> wrote:
>
>
> Check the PostgreSQL *server* logs, see if the connection got closed
> server-side and if so why.
>
> --
> Craig Ringer
2012-06-11 11:36:55.511
CEST,"forum","forum",5345,"127.0.0.1:40370",4fd5bc37.14e1,54,"PARSE",2012-06-11
11:36:55 CEST,10/3,6291,DEBUG,00000,"parse <unnamed>: analyze
posts",,,,,,"analyze posts",,"exec_parse_message, postgres.c:1146",""
2012-06-11 11:36:55.511
CEST,"forum","forum",5345,"127.0.0.1:40370",4fd5bc37.14e1,55,"PARSE",2012-06-11
11:36:55 CEST,10/3,6291,DEBUG,00000,"StartTransactionCommand",,,,,,"analyze
posts",,"start_xact_command, postgres.c:2426",""
2012-06-11 11:36:55.511
CEST,"forum","forum",5345,"127.0.0.1:40370",4fd5bc37.14e1,56,"PARSE",2012-06-11
11:36:55 CEST,10/3,6291,DEBUG,00000,"bind <unnamed> to
<unnamed>",,,,,,,,"exec_bind_message, postgres.c:1429",""
2012-06-11 11:36:55.511
CEST,"forum","forum",5345,"127.0.0.1:40370",4fd5bc37.14e1,57,"ANALYZE",2012-06-11
11:36:55 CEST,10/3,6291,LOG,00000,"execute <unnamed>: analyze
posts",,,,,,,,"exec_execute_message, postgres.c:1940",""
2012-06-11 11:36:55.511
CEST,"forum","forum",5345,"127.0.0.1:40370",4fd5bc37.14e1,58,"ANALYZE",2012-06-11
11:36:55 CEST,10/3,6291,DEBUG,00000,"ProcessUtility",,,,,,"analyze
posts",,"PortalRunUtility, pquery.c:1153",""
2012-06-11 11:36:55.511
CEST,"forum","forum",5345,"127.0.0.1:40370",4fd5bc37.14e1,59,"ANALYZE",2012-06-11
11:36:55 CEST,10/3,6291,DEBUG,00000,"analyzing
""forum.posts""",,,,,,"analyze posts",,"do_analyze_rel,
analyze.c:292",""
2012-06-11 11:36:55.532
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,91,"PARSE",2012-06-11
11:36:49 CEST,2/0,0,DEBUG,00000,"parse <unnamed>: SELECT forum_id,
cat_id, cat_name, forum_description, forum_name, login, post_count,
post_created, thread_count, thread_name FROM v_forums",,,,,,"SELECT
forum_id, cat_id, cat_name, forum_description, forum_name, login,
post_count, post_created, thread_count, thread_name FROM
v_forums",,"exec_parse_message, postgres.c:1146",""
2012-06-11 11:36:55.532
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,92,"PARSE",2012-06-11
11:36:49 CEST,2/0,0,DEBUG,00000,"StartTransactionCommand",,,,,,"SELECT
forum_id, cat_id, cat_name, forum_description, forum_name, login,
post_count, post_created, thread_count, thread_name FROM
v_forums",,"start_xact_command, postgres.c:2426",""
2012-06-11 11:36:55.532
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,93,"PARSE",2012-06-11
11:36:49 CEST,2/14,0,DEBUG,00000,"StartTransaction",,,,,,"SELECT
forum_id, cat_id, cat_name, forum_description, forum_name, login,
post_count, post_created, thread_count, thread_name FROM
v_forums",,"ShowTransactionState, xact.c:4316",""
2012-06-11 11:36:55.532
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,94,"PARSE",2012-06-11
11:36:49 CEST,2/14,0,DEBUG,00000,"name: unnamed; blockState:
DEFAULT; state: INPROGR, xid/subid/cid: 0/1/0, nestlvl: 1, children:
",,,,,,"SELECT forum_id, cat_id, cat_name, forum_description,
forum_name, login, post_count, post_created, thread_count, thread_name
FROM v_forums",,"ShowTransactionStateRec, xact.c:4354",""
2012-06-11 11:36:55.535
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,95,"PARSE",2012-06-11
11:36:49 CEST,2/14,0,DEBUG,00000,"bind <unnamed> to
<unnamed>",,,,,,,,"exec_bind_message, postgres.c:1429",""
2012-06-11 11:36:55.535
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,96,"SELECT",2012-06-11
11:36:49 CEST,2/14,0,LOG,00000,"execute <unnamed>: SELECT forum_id,
cat_id, cat_name, forum_description, forum_name, login, post_count,
post_created, thread_count, thread_name FROM
v_forums",,,,,,,,"exec_execute_message, postgres.c:1940",""
2012-06-11 11:36:55.535
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,97,"SELECT",2012-06-11
11:36:49 CEST,2/14,0,DEBUG,00000,"CommitTransactionCommand",,,,,,,,"finish_xact_command,
postgres.c:2450",""
2012-06-11 11:36:55.535
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,98,"SELECT",2012-06-11
11:36:49 CEST,2/14,0,DEBUG,00000,"CommitTransaction",,,,,,,,"ShowTransactionState,
xact.c:4316",""
2012-06-11 11:36:55.535
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,99,"SELECT",2012-06-11
11:36:49 CEST,2/14,0,DEBUG,00000,"name: unnamed; blockState:
STARTED; state: INPROGR, xid/subid/cid: 0/1/0, nestlvl: 1, children:
",,,,,,,,"ShowTransactionStateRec, xact.c:4354",""
2012-06-11 11:36:55.539
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,100,"PARSE",2012-06-11
11:36:49 CEST,2/0,0,DEBUG,00000,"parse <unnamed>: SET application_name
= ''",,,,,,"SET application_name = ''",,"exec_parse_message,
postgres.c:1146",""
2012-06-11 11:36:55.539
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,101,"PARSE",2012-06-11
11:36:49 CEST,2/0,0,DEBUG,00000,"StartTransactionCommand",,,,,,"SET
application_name = ''",,"start_xact_command, postgres.c:2426",""
2012-06-11 11:36:55.540
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,102,"PARSE",2012-06-11
11:36:49 CEST,2/15,0,DEBUG,00000,"StartTransaction",,,,,,"SET
application_name = ''",,"ShowTransactionState, xact.c:4316",""
2012-06-11 11:36:55.540
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,103,"PARSE",2012-06-11
11:36:49 CEST,2/15,0,DEBUG,00000,"name: unnamed; blockState:
DEFAULT; state: INPROGR, xid/subid/cid: 0/1/0, nestlvl: 1, children:
",,,,,,"SET application_name = ''",,"ShowTransactionStateRec,
xact.c:4354",""
2012-06-11 11:36:55.540
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,104,"PARSE",2012-06-11
11:36:49 CEST,2/15,0,DEBUG,00000,"bind <unnamed> to
<unnamed>",,,,,,,,"exec_bind_message, postgres.c:1429",""
2012-06-11 11:36:55.540
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,105,"SET",2012-06-11
11:36:49 CEST,2/15,0,LOG,00000,"execute <unnamed>: SET
application_name = ''",,,,,,,,"exec_execute_message,
postgres.c:1940",""
2012-06-11 11:36:55.540
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,106,"SET",2012-06-11
11:36:49 CEST,2/15,0,DEBUG,00000,"ProcessUtility",,,,,,"SET
application_name = ''",,"PortalRunUtility, pquery.c:1153",""
2012-06-11 11:36:55.540
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,107,"SET",2012-06-11
11:36:49 CEST,2/15,0,DEBUG,00000,"CommitTransactionCommand",,,,,,,,"finish_xact_command,
postgres.c:2450",""
2012-06-11 11:36:55.540
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,108,"SET",2012-06-11
11:36:49 CEST,2/15,0,DEBUG,00000,"CommitTransaction",,,,,,,,"ShowTransactionState,
xact.c:4316",""
2012-06-11 11:36:55.540
CEST,"forum","forum",5275,"127.0.0.1:40359",4fd5bc31.149b,109,"SET",2012-06-11
11:36:49 CEST,2/15,0,DEBUG,00000,"name: unnamed; blockState:
STARTED; state: INPROGR, xid/subid/cid: 0/1/0, nestlvl: 1, children:
",,,,,,,,"ShowTransactionStateRec, xact.c:4354",""
2012-06-11 11:36:55.614
CEST,"forum","forum",5345,"127.0.0.1:40370",4fd5bc37.14e1,60,"ANALYZE",2012-06-11
11:36:55 CEST,10/3,6291,DEBUG,00000,"""posts"": scanned 12763 of 12763
pages, containing 1200000 live rows and 27 dead rows; 30000 rows in
sample, 1200000 estimated total rows",,,,,,"analyze
posts",,"acquire_sample_rows, analyze.c:1244",""
2012-06-11 11:36:55.868
CEST,"forum","forum",5345,"127.0.0.1:40370",4fd5bc37.14e1,61,"ANALYZE",2012-06-11
11:36:55 CEST,10/3,6291,DEBUG,00000,"tsvector_stats: target # mces =
1000, bucket width = 144285, # lexemes = 45311, hashtable size =
29291, usable entries = 1483",,,,,,"analyze
posts",,"compute_tsvector_stats, ts_typanalyze.c:330",""
2012-06-11 11:36:55.868
CEST,"forum","forum",5345,"127.0.0.1:40370",4fd5bc37.14e1,62,"ANALYZE",2012-06-11
11:36:55 CEST,10/3,6291,LOG,08006,"could not send data to client:
Broken pipe",,,,,,"analyze posts",,"internal_flush, pqcomm.c:1245",""
2012-06-11 11:36:55.873
CEST,"forum","forum",5345,"127.0.0.1:40370",4fd5bc37.14e1,63,"ANALYZE",2012-06-11
11:36:55 CEST,10/3,6291,DEBUG,00000,"CommitTransactionCommand",,,,,,,,"finish_xact_command,
postgres.c:2450",""
2012-06-11 11:36:55.873
CEST,"forum","forum",5345,"127.0.0.1:40370",4fd5bc37.14e1,64,"idle in
transaction",2012-06-11 11:36:55
CEST,10/3,6291,DEBUG,00000,"shmem_exit(0): 7 callbacks to
make",,,,,,,,"shmem_exit, ipc.c:211",""
2012-06-11 11:36:55.873
CEST,"forum","forum",5345,"127.0.0.1:40370",4fd5bc37.14e1,65,"idle in
transaction",2012-06-11 11:36:55 CEST,,0,DEBUG,00000,"proc_exit(0): 4
callbacks to make",,,,,,,,"proc_exit_prepare, ipc.c:183",""
2012-06-11 11:36:55.873
CEST,"forum","forum",5345,"127.0.0.1:40370",4fd5bc37.14e1,66,"idle in
transaction",2012-06-11 11:36:55 CEST,,0,LOG,00000,"disconnection:
session time: 0:00:00.376 user=forum database=forum host=127.0.0.1
port=40370",,,,,,,,"log_disconnections, postgres.c:4375",""
2012-06-11 11:36:55.873
CEST,"forum","forum",5345,"127.0.0.1:40370",4fd5bc37.14e1,67,"idle in
transaction",2012-06-11 11:36:55
CEST,,0,DEBUG,00000,"exit(0)",,,,,,,,"proc_exit, ipc.c:135",""
2012-06-11 11:36:55.873
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0 callbacks to make",,,,,,,,"shmem_exit, ipc.c:211",""
2012-06-11 11:36:55.873
CEST,"forum","forum",5345,"127.0.0.1:40370",4fd5bc37.14e1,69,"idle in
transaction",2012-06-11 11:36:55 CEST,,0,DEBUG,00000,"proc_exit(-1): 0
callbacks to make",,,,,,,,"proc_exit_prepare, ipc.c:183",""

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