Обсуждение: Connection problem

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Connection problem

От
"A B"
Дата:
I get a lot of
Error server closed the connection unexpectedly This probably means
the server terminated abnormally before or while processing the
request.

and I think I need some help finding out what is the  problem. Any
suggestions on where to start? I think I have maximum logging on
(debug5) but prior to the crash I get no log. I connect to the server
with php/apache and I use pg_pconnect to get persistent connections.

The first log message for a working request to the server says:

LOG:  00000: connection received: host=[local]
LOCATION:  BackendInitialize, postmaster.c:2755
DEBUG:  00000: forked new backend, pid=6961 socket=8
LOCATION:  BackendStartup, postmaster.c:2581
DEBUG:  00000: received password packet
LOCATION:  recv_password_packet, auth.c:940
LOG:  00000: connection authorized: user=myuser database=mydb
LOCATION:  BackendInitialize, postmaster.c:2825
DEBUG:  00000: postmaster child[6961]: starting with (
LOCATION:  BackendRun, postmaster.c:2925
DEBUG:  00000:  postgres
LOCATION:  BackendRun, postmaster.c:2928
DEBUG:  00000:  -v196608
LOCATION:  BackendRun, postmaster.c:2928
DEBUG:  00000:  -y
LOCATION:  BackendRun, postmaster.c:2928
DEBUG:  00000:  mydb
LOCATION:  BackendRun, postmaster.c:2928
DEBUG:  00000: )
LOCATION:  BackendRun, postmaster.c:2930
DEBUG:  00000: InitPostgres
LOCATION:  PostgresMain, postgres.c:3142
DEBUG:  00000: StartTransaction
LOCATION:  ShowTransactionState, xact.c:4001
DEBUG:  00000: name: unnamed; blockState:       DEFAULT; state:
INPROGR, xid/subid/cid: 8513010/1/0, nestlvl: 1, children: <>
LOCATION:  ShowTransactionStateRec, xact.c:4026
DEBUG:  00000: CommitTransaction
LOCATION:  ShowTransactionState, xact.c:4001
DEBUG:  00000: name: unnamed; blockState:       STARTED; state:
INPROGR, xid/subid/cid: 8513010/1/0, nestlvl: 1, children: <>
LOCATION:  ShowTransactionStateRec, xact.c:4026
DEBUG:  00000: StartTransactionCommand
LOCATION:  start_xact_command, postgres.c:2200
STATEMENT:  SELECT count(*) FROM Users
DEBUG:  00000: StartTransaction
LOCATION:  ShowTransactionState, xact.c:4001

Re: Connection problem

От
Zdenek Kotala
Дата:
Do you have any core dump? Stack trace should help.

    Zdenek

A B napsal(a):
> I get a lot of
> Error server closed the connection unexpectedly This probably means
> the server terminated abnormally before or while processing the
> request.
>
> and I think I need some help finding out what is the  problem. Any
> suggestions on where to start? I think I have maximum logging on
> (debug5) but prior to the crash I get no log. I connect to the server
> with php/apache and I use pg_pconnect to get persistent connections.
>
> The first log message for a working request to the server says:
>
> LOG:  00000: connection received: host=[local]
> LOCATION:  BackendInitialize, postmaster.c:2755
> DEBUG:  00000: forked new backend, pid=6961 socket=8
> LOCATION:  BackendStartup, postmaster.c:2581
> DEBUG:  00000: received password packet
> LOCATION:  recv_password_packet, auth.c:940
> LOG:  00000: connection authorized: user=myuser database=mydb
> LOCATION:  BackendInitialize, postmaster.c:2825
> DEBUG:  00000: postmaster child[6961]: starting with (
> LOCATION:  BackendRun, postmaster.c:2925
> DEBUG:  00000:  postgres
> LOCATION:  BackendRun, postmaster.c:2928
> DEBUG:  00000:  -v196608
> LOCATION:  BackendRun, postmaster.c:2928
> DEBUG:  00000:  -y
> LOCATION:  BackendRun, postmaster.c:2928
> DEBUG:  00000:  mydb
> LOCATION:  BackendRun, postmaster.c:2928
> DEBUG:  00000: )
> LOCATION:  BackendRun, postmaster.c:2930
> DEBUG:  00000: InitPostgres
> LOCATION:  PostgresMain, postgres.c:3142
> DEBUG:  00000: StartTransaction
> LOCATION:  ShowTransactionState, xact.c:4001
> DEBUG:  00000: name: unnamed; blockState:       DEFAULT; state:
> INPROGR, xid/subid/cid: 8513010/1/0, nestlvl: 1, children: <>
> LOCATION:  ShowTransactionStateRec, xact.c:4026
> DEBUG:  00000: CommitTransaction
> LOCATION:  ShowTransactionState, xact.c:4001
> DEBUG:  00000: name: unnamed; blockState:       STARTED; state:
> INPROGR, xid/subid/cid: 8513010/1/0, nestlvl: 1, children: <>
> LOCATION:  ShowTransactionStateRec, xact.c:4026
> DEBUG:  00000: StartTransactionCommand
> LOCATION:  start_xact_command, postgres.c:2200
> STATEMENT:  SELECT count(*) FROM Users
> DEBUG:  00000: StartTransaction
> LOCATION:  ShowTransactionState, xact.c:4001
>

Re: Connection problem

От
"A B"
Дата:
I have not found any core dumps. The server seems not to stop
completely but continue to run.

2008/5/30 Zdenek Kotala <Zdenek.Kotala@sun.com>:
> Do you have any core dump? Stack trace should help.
>
>        Zdenek
>
> A B napsal(a):
>>
>> I get a lot of
>> Error server closed the connection unexpectedly This probably means
>> the server terminated abnormally before or while processing the
>> request.
>>
>> and I think I need some help finding out what is the  problem. Any
>> suggestions on where to start? I think I have maximum logging on
>> (debug5) but prior to the crash I get no log. I connect to the server
>> with php/apache and I use pg_pconnect to get persistent connections.
>>
>> The first log message for a working request to the server says:
>>
>> LOG:  00000: connection received: host=[local]
>> LOCATION:  BackendInitialize, postmaster.c:2755
>> DEBUG:  00000: forked new backend, pid=6961 socket=8
>> LOCATION:  BackendStartup, postmaster.c:2581
>> DEBUG:  00000: received password packet
>> LOCATION:  recv_password_packet, auth.c:940
>> LOG:  00000: connection authorized: user=myuser database=mydb
>> LOCATION:  BackendInitialize, postmaster.c:2825
>> DEBUG:  00000: postmaster child[6961]: starting with (
>> LOCATION:  BackendRun, postmaster.c:2925
>> DEBUG:  00000:  postgres
>> LOCATION:  BackendRun, postmaster.c:2928
>> DEBUG:  00000:  -v196608
>> LOCATION:  BackendRun, postmaster.c:2928
>> DEBUG:  00000:  -y
>> LOCATION:  BackendRun, postmaster.c:2928
>> DEBUG:  00000:  mydb
>> LOCATION:  BackendRun, postmaster.c:2928
>> DEBUG:  00000: )
>> LOCATION:  BackendRun, postmaster.c:2930
>> DEBUG:  00000: InitPostgres
>> LOCATION:  PostgresMain, postgres.c:3142
>> DEBUG:  00000: StartTransaction
>> LOCATION:  ShowTransactionState, xact.c:4001
>> DEBUG:  00000: name: unnamed; blockState:       DEFAULT; state:
>> INPROGR, xid/subid/cid: 8513010/1/0, nestlvl: 1, children: <>
>> LOCATION:  ShowTransactionStateRec, xact.c:4026
>> DEBUG:  00000: CommitTransaction
>> LOCATION:  ShowTransactionState, xact.c:4001
>> DEBUG:  00000: name: unnamed; blockState:       STARTED; state:
>> INPROGR, xid/subid/cid: 8513010/1/0, nestlvl: 1, children: <>
>> LOCATION:  ShowTransactionStateRec, xact.c:4026
>> DEBUG:  00000: StartTransactionCommand
>> LOCATION:  start_xact_command, postgres.c:2200
>> STATEMENT:  SELECT count(*) FROM Users
>> DEBUG:  00000: StartTransaction
>> LOCATION:  ShowTransactionState, xact.c:4001
>>
>
>

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