Обсуждение: BUG #5044: error: message type 0x5a arrived from server while idle

The following bug has been logged online:

Bug reference:      5044
Logged by:          vyouzhi
Email address:      vyouzhi@gmail.com
PostgreSQL version: 8.4.0
Operating system:   linux 2.6.25
Description:        error: message type 0x5a arrived from server while idle
Details:

hi all:

i use Python and PyGreSQL to link  PostgreSQL
but the Python give me the error

the error here :
--------------------------------------------
...
95
93
95
97
94
96
94
message type 0x43 arrived from server while idle
message type 0x5a arrived from server while idle
INSERT INTO  code (stock_name ,stock_code)values('bbbbb','bbbbb')

95
93
92
93
99
--------------------------------------------

and the PostgreSQL log error like here

-------------------------------------------
...
LOG:  unexpected EOF on client connection
...
------------------------------------------

me python code_me.py

--------------------------------------------
#!/usr/bin/env python
#coding=utf-8
import _pg
import threading

con =
_pg.connect(host='127.0.0.1',user='work',dbname='work',passwd='123',port=543
2)

def link_url():
    global con
    for i in range(100):
        print i
        stock_sql = "INSERT INTO  code (stock_name
,stock_code)values('bbbbb','bbbbb')"
        try:
            con.query(stock_sql)
        except:
            print stock_sql

if __name__=='__main__':
    for i in range(0,32):
        print i
        i = threading.Thread(target = link_url)
        i.start()

-----------------------------------------------


who can help me ?  thanks

vyouzhi escribió:

> #!/usr/bin/env python
> #coding=utf-8
> import _pg
> import threading
>
> con =
> _pg.connect(host='127.0.0.1',user='work',dbname='work',passwd='123',port=543
> 2)
>
> def link_url():
>     global con
>     for i in range(100):
>         print i
>         stock_sql = "INSERT INTO  code (stock_name
> ,stock_code)values('bbbbb','bbbbb')"
>         try:
>             con.query(stock_sql)
>         except:
>             print stock_sql
>
> if __name__=='__main__':
>     for i in range(0,32):
>         print i
>         i = threading.Thread(target = link_url)
>         i.start()
>
> -----------------------------------------------

Not a bug.  Using a connection from more than one thread is not allowed.

--
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support