Idle in transaction state.

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От Peter L. Berghold
Тема Idle in transaction state.
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Msg-id 4503046F.7030901@Berghold.Net
обсуждение исходный текст
Ответы Re: Idle in transaction state.  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: Idle in transaction state.  (Dave Cramer <pg@fastcrypt.com>)
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Hi folks,

I've run into an issue that I'm sure there's a fix for, I just haven't
quite figured it out on my own.

First the overview of the environment:
    Linux (CentOS release 4.2)
    Tomcat 5.x application server
    Struts/Tiles MVC
    Hibernate 3.1 Object Persistence
    postgresql-8.2dev-500.jdbc2.jar for JDBC drivers

What I'm seeing is the first time my web application is being run there
is a bunch of processes running around that look like:
"postgres: peter peter_trialdb 127.0.0.1(46222) idle"

in the process table.  What's worse, is if I try to modify my database
schema while these processes are running (and they seem to stick around
forever) the psql session running the SQL script to do the modifications
hangs on the first statement that modifies or drops an existing table.

I'm not even sure what part of this puzzle is the root cause of the
problem. JDBC drivers? Hibernate configuration? Elvis?

Any insight is welcome and appreciated.


- --
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Peter L. Berghold                                     Peter@Berghold.Net
"Those who fail to learn from history are condemned to repeat it."
AIM: redcowdawg        Yahoo IM: blue_cowdawg              ICQ: 11455958
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