Bug #436: backend closed the channel unexpectedly

Michael Ablass (ma@netresearch.de) reports a bug with a severity of 1
The lower the number the more severe it is.

Short Description
backend closed the channel unexpectedly

Long Description
Using Postgresql 7.1.3 on Redhat 7.1 and 6.2, currently we have 2 projects running. a few days the databases do work perfectly - then we get error message following. it seems not to be the problem of certain sql queries as sometimes everything works and sometimes it does. we increased the amount of connections but it did not help. next thing: on redhat 6.2 the database seems to work more unstable than on the redhat 7.1 server.

Warning: PostgreSQL query failed: FATAL 1: This connection has been terminated by the administrator. pqReadData() -- backend closed the channel unexpectedly. This probably means the backend terminated abnormally before or while processing the request. in /shares/maxtor1/home/httpd/server/global_classes/db_pgsql.inc on line 69
Database error: Invalid SQL: SELECT * from offen where o_id='1' AND o_offen='J'
PostgreSQL Error: 1 (FATAL 1: This connection has been terminated by the administrator. pqReadData() -- backend closed the channel unexpectedly. This probably means the backend terminated abnormally before or while processing the request. )
Session halted.

Sample Code

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