Обсуждение: Server Crash

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Server Crash

От
"Anjul Tyagi"
Дата:
Hi All,

We have recently deployed couple of new plperl SPROC in our postgres production server and after that server start throwing error. Currently we are using postgres 9.1 and planning to upgrade with PG 10. 

But we are not sure if that will cause the same error in PG 10 as well. We really need help.

Error Message:

2018-06-21 13:43:29 EDT [22212]: [4-1] user=cmsuser,db=forte ,host=10.10.1.3,port=10.10.1.3(56601),id=5b2bdea5.56c4,line=4DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.

 

2018-06-21 13:43:29 EDT [3673]: [5-1] user=cmsuser,db=forte ,host=10.10.1.3,port=10.10.1.3(55649),id=5b2bd568.e59,line=5DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.


Server Details: 
Linux - Red Hat Enterprise Linux Server release 6.3 (Santiago)
Postgres -  Postgres 9.1.13

below are the sample SPROC code:


CREATE OR REPLACE FUNCTION getauthcode(
    claim character varying,
    oflag character varying,
    pacode character varying,
    dispos character varying)
  RETURNS text AS
$BODY$
use strict;
use warnings;
use SOAP::Lite;
use JSON;


try
{
    my $host = `hostname`;
    my $rv = spi_exec_query("select * from getsprocurl('getauthcode','".$host."')");
    my $url = $rv->{rows}[0]->{ret_url};
    elog(NOTICE, 'Host Name  ' . $host . ' URL '. $url );
   
    my $soap = SOAP::Lite->new();
    my $service = $soap->service($url);
    my %params =  ("claim" => $_[0], "oflag" => $_[1], "pacode" => $_[2], "dispos" => $_[3]);
    my $response = $service->getAuthCode(%params);
    my $json_array = decode_json($response);
   
    for my $report ( $json_array) {
    my $status =  $report->{status}, '\n';
        if ($status eq 'success')
        {
            return $report->{PriorApprovalCode};
        }
        else{
            return $report->{message};
        }
    }   
}
catch Exception with
{
    my $ex = shift;
    return 'SOAPFAULT: ' . date('H:i:s') . ' ' . exception($ex);
}
 
$BODY$
  LANGUAGE plperlu VOLATILE STRICT
  COST 100;

Appreciate for your help in advance.
 

Regards,

Anjul TYAGI

 

ü Go Green


Re: Server Crash

От
"Anjul Tyagi"
Дата:
Hi All,

can you please suggest on the issue we are facing?
 
 
 

Regards,

Anjul TYAGI

 

ü Go Green


------ Original Message ------
From: "Anjul Tyagi" <anjul@ibosstech-us.com>
To: "pgsql-bugs@lists.postgresql.org" <pgsql-bugs@lists.postgresql.org>
Sent: 26-06-2018 18:17:26
Subject: Server Crash

Hi All,

We have recently deployed couple of new plperl SPROC in our postgres production server and after that server start throwing error. Currently we are using postgres 9.1 and planning to upgrade with PG 10. 

But we are not sure if that will cause the same error in PG 10 as well. We really need help.

Error Message:

2018-06-21 13:43:29 EDT [22212]: [4-1] user=cmsuser,db=forte ,host=10.10.1.3,port=10.10.1.3(56601),id=5b2bdea5.56c4,line=4DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.

 

2018-06-21 13:43:29 EDT [3673]: [5-1] user=cmsuser,db=forte ,host=10.10.1.3,port=10.10.1.3(55649),id=5b2bd568.e59,line=5DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.


Server Details: 
Linux - Red Hat Enterprise Linux Server release 6.3 (Santiago)
Postgres -  Postgres 9.1.13

below are the sample SPROC code:


CREATE OR REPLACE FUNCTION getauthcode(
    claim character varying,
    oflag character varying,
    pacode character varying,
    dispos character varying)
  RETURNS text AS
$BODY$
use strict;
use warnings;
use SOAP::Lite;
use JSON;


try
{
    my $host = `hostname`;
    my $rv = spi_exec_query("select * from getsprocurl('getauthcode','".$host."')");
    my $url = $rv->{rows}[0]->{ret_url};
    elog(NOTICE, 'Host Name  ' . $host . ' URL '. $url );
   
    my $soap = SOAP::Lite->new();
    my $service = $soap->service($url);
    my %params =  ("claim" => $_[0], "oflag" => $_[1], "pacode" => $_[2], "dispos" => $_[3]);
    my $response = $service->getAuthCode(%params);
    my $json_array = decode_json($response);
   
    for my $report ( $json_array) {
    my $status =  $report->{status}, '\n';
        if ($status eq 'success')
        {
            return $report->{PriorApprovalCode};
        }
        else{
            return $report->{message};
        }
    }   
}
catch Exception with
{
    my $ex = shift;
    return 'SOAPFAULT: ' . date('H:i:s') . ' ' . exception($ex);
}
 
$BODY$
  LANGUAGE plperlu VOLATILE STRICT
  COST 100;

Appreciate for your help in advance.
 

Regards,

Anjul TYAGI

 

ü Go Green


Re: Server Crash

От
"Anjul Tyagi"
Дата:
Hi All,

can you please suggest on the issue we are facing?
 
 
 

Regards,

Anjul TYAGI

 

ü Go Green


------ Original Message ------
From: "Anjul Tyagi" <anjul@ibosstech-us.com>
To: "pgsql-bugs@lists.postgresql.org" <pgsql-bugs@lists.postgresql.org>
Sent: 26-06-2018 18:17:26
Subject: Server Crash

Hi All,

We have recently deployed couple of new plperl SPROC in our postgres production server and after that server start throwing error. Currently we are using postgres 9.1 and planning to upgrade with PG 10. 

But we are not sure if that will cause the same error in PG 10 as well. We really need help.

Error Message:

2018-06-21 13:43:29 EDT [22212]: [4-1] user=cmsuser,db=forte ,host=10.10.1.3,port=10.10.1.3(56601),id=5b2bdea5.56c4,line=4DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.

 

2018-06-21 13:43:29 EDT [3673]: [5-1] user=cmsuser,db=forte ,host=10.10.1.3,port=10.10.1.3(55649),id=5b2bd568.e59,line=5DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.


Server Details: 
Linux - Red Hat Enterprise Linux Server release 6.3 (Santiago)
Postgres -  Postgres 9.1.13

below are the sample SPROC code:


CREATE OR REPLACE FUNCTION getauthcode(
    claim character varying,
    oflag character varying,
    pacode character varying,
    dispos character varying)
  RETURNS text AS
$BODY$
use strict;
use warnings;
use SOAP::Lite;
use JSON;


try
{
    my $host = `hostname`;
    my $rv = spi_exec_query("select * from getsprocurl('getauthcode','".$host."')");
    my $url = $rv->{rows}[0]->{ret_url};
    elog(NOTICE, 'Host Name  ' . $host . ' URL '. $url );
   
    my $soap = SOAP::Lite->new();
    my $service = $soap->service($url);
    my %params =  ("claim" => $_[0], "oflag" => $_[1], "pacode" => $_[2], "dispos" => $_[3]);
    my $response = $service->getAuthCode(%params);
    my $json_array = decode_json($response);
   
    for my $report ( $json_array) {
    my $status =  $report->{status}, '\n';
        if ($status eq 'success')
        {
            return $report->{PriorApprovalCode};
        }
        else{
            return $report->{message};
        }
    }   
}
catch Exception with
{
    my $ex = shift;
    return 'SOAPFAULT: ' . date('H:i:s') . ' ' . exception($ex);
}
 
$BODY$
  LANGUAGE plperlu VOLATILE STRICT
  COST 100;

Appreciate for your help in advance.
 

Regards,

Anjul TYAGI

 

ü Go Green


Re: Server Crash

От
Sergei Kornilov
Дата:
Hello

> 2018-06-21 13:43:29 EDT [22212]: [4-1] user=cmsuser,db=forte
,host=10.10.1.3,port=10.10.1.3(56601),id=5b2bdea5.56c4,line=4DETAIL: The postmaster has commanded this server process
toroll back the current transaction and exit, because another server process exited abnormally and possibly corrupted
sharedmemory.
 
This is just consequence of error. Similar message is reported by every client connect process. Real error was before
allof these messages.
 

> Postgres -  Postgres 9.1.13
You are using unsupported major version and even very old minor. Last released 9.1 was 9.1.24 (Release Date:
2016-10-27).You missed bug fixes for 2.5 years.
 
According versioning policy [1] bug fixing ceases for EOL versions.

I suggest upgrade to one of supported version. Postgresql 10 is good choice.
If error still occurs on supported version - we need exact error message from failed backend.

regards, Sergei

[1] https://www.postgresql.org/support/versioning/


Re: Server Crash

От
"Anjul Tyagi"
Дата:
Hi Sergei,

thanks for your response. We have already plan to upgrade the same in PG 10, but i am scared if we faced the same issue with upgraded version as well. 

 
 
 

Regards,

Anjul TYAGI

 

ü Go Green


------ Original Message ------
From: "Sergei Kornilov" <sk@zsrv.org>
To: "Anjul Tyagi" <anjul@ibosstech-us.com>; "pgsql-bugs@lists.postgresql.org" <pgsql-bugs@lists.postgresql.org>
Sent: 27-06-2018 15:01:15
Subject: Re: Server Crash

Hello
 
2018-06-21 13:43:29 EDT [22212]: [4-1] user=cmsuser,db=forte ,host=10.10.1.3,port=10.10.1.3(56601),id=5b2bdea5.56c4,line=4DETAIL: The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.
This is just consequence of error. Similar message is reported by every client connect process. Real error was before all of these messages.
 
Postgres - Postgres 9.1.13
You are using unsupported major version and even very old minor. Last released 9.1 was 9.1.24 (Release Date: 2016-10-27). You missed bug fixes for 2.5 years.
According versioning policy [1] bug fixing ceases for EOL versions.
 
I suggest upgrade to one of supported version. Postgresql 10 is good choice.
If error still occurs on supported version - we need exact error message from failed backend.
 
regards, Sergei
 
 
Вложения

Re: Server Crash

От
Alexey Bashtanov
Дата:
Hello Anjul,

The first line of the log looks relevant.
My only guess is a stored procedure written in an untrusted language may send a backend signal 14.
Do you have any of these, like pl/perl?

Best,
 Alex

On 27/06/18 11:58, Anjul Tyagi wrote:
Hi Sergei,

thanks for your response. We have already plan to upgrade the same in PG 10, but i am scared if we faced the same issue with upgraded version as well. 

 
 
 

Regards,

Anjul TYAGI

 

ü Go Green


------ Original Message ------
From: "Sergei Kornilov" <sk@zsrv.org>
Sent: 27-06-2018 15:01:15
Subject: Re: Server Crash

Hello
 
2018-06-21 13:43:29 EDT [22212]: [4-1] user=cmsuser,db=forte ,host=10.10.1.3,port=10.10.1.3(56601),id=5b2bdea5.56c4,line=4DETAIL: The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.
This is just consequence of error. Similar message is reported by every client connect process. Real error was before all of these messages.
 
Postgres - Postgres 9.1.13
You are using unsupported major version and even very old minor. Last released 9.1 was 9.1.24 (Release Date: 2016-10-27). You missed bug fixes for 2.5 years.
According versioning policy [1] bug fixing ceases for EOL versions.
 
I suggest upgrade to one of supported version. Postgresql 10 is good choice.
If error still occurs on supported version - we need exact error message from failed backend.
 
regards, Sergei