Interesting. Yeah, I was going to suggest writing some "trigger" code
for startup, and it looks like that's what you have done. Also, you're
not stuck with DBCP. There are many DataSource implementations out
there, including others that are open source. I was hoping to get around
to reviewing them all one day. . . I have had problems with DBCP leaking
connections when used with some databases (Oracle and SQL Server 2000).
It could be a vendor-specific problem though, because DBCP seems to work
great with ConnectorJ/MySQL.
Erik
Brian McGovern wrote:
Eric Thanks for response. I wrote a follow up that explained my work around. But to your points, in using commons-dbcp and specifying the initial pool size of 5, you'd think that it would fire up the pool on application start but it doesnt. In code, you have to request a connection from the JNDI resource in order for the pool to be created.
-----Original Message-----
From: Erik Weber [mailto:[EMAIL PROTECTED]
Sent: Tuesday, March 29, 2005 2:58 PM
To: Struts Users Mailing List
Subject: Re: Struts , hibernate, and DBCP
In my opinion, the question is on topic.
I'm not sure whether by "instantiated" you mean the pool class or the
connection class. If it's the former, I'm not sure of the answer, but I
would assume that the pool class typically is instantiated at server
startup. If not, wouldn't the JNDI lookup fail? If it's the latter, I
think specifying the minimum connection count property (> 0) in your
datasource config should cause the pool to be primed right after
startup. But, it's up to the pool implementation of course. But the
minimum connection count is supposed to keep the pool from going dry.
Erik
N G wrote:
This has nothing to do with Struts:
http://jakarta.apache.org/tomcat/tomcat-5.0-doc/jndi-datasource-examples-howto.html
Good luck,
NG.
On Tue, 29 Mar 2005 13:40:56 -0500, Brian McGovern
<[EMAIL PROTECTED]> wrote:
Im using struts, hibernate and dbcp connection pooling. Everything works fine
but regarding my connection pool. It gets intantiated on the first time I
request a connection from the DBCP pool. I want it to create the pool when
tomcat starts. I think i can do this with struts, but im not sure how. If
using struts config for htis is not the answer i;d still like to know what is.
-thanks
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