- Original Message -
From: "Christopher Schultz" <[EMAIL PROTECTED]>
To: "Tomcat Users List"
Sent: Monday, September 22, 2008 3:14 PM
Subject: Re: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
increasing
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Johnny,
Johnny Kewl wrote:
> If a datasource in DBCP represents the pool... you cant, you'd make a
> million data pools...
No, the DataSource object does not represent the pool per se. It's just
a factory that produces Connection objects (which, in t
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Sinoea,
sinoea kaabi wrote:
> Christopher Schultz wrote:
>> You aren't using any class-level members in your static methods so
>> you should be fine.
>
> This means that I cannot declare a:
>
> public class Data {
>
> private static DataSource data
Heres the blurb on the stuff...
http://java.sun.com/docs/books/tutorial/essential/concurrency/index.html/01/
Where I spoke about the "New Trick"... they blab on about immutable..
The stuff you prbably want to look at is
Synchronized Statements
In C they talk about semisphores and stuff... if yo
- Original Message -
From: "sinoea kaabi" <[EMAIL PROTECTED]>
To: "Tomcat Users List"
Sent: Friday, September 19, 2008 9:18 AM
Subject: RE: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
increasing
You aren't using any class-level
ource;
}
}
> Date: Thu, 18 Sep 2008 11:56:33 -0400
> From: [EMAIL PROTECTED]
> To: users@tomcat.apache.org
> Subject: Re: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
> increasing
>
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>
> sinoe
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sinoea,
sinoea kaabi wrote:
> Collection branches = new BranchData().loadBranches(Data.getDataSource(), 1);
>
> Can the getDataSource method be static?
Not only can the getDataSource method be static, you could also call it
directly from your loadBr
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sinoea,
sinoea kaabi wrote:
> The static methods are not thread-safe you say!
No, your static methods are perfectly threadsafe. Johnny is just getting
itchy because it's not what he'd do. You aren't using any class-level
members in your static method
bers appear to be coming from the DBCP BasicDataSource itself.
--David
Caldarale, Charles R wrote:
>> From: Johnny Kewl [mailto:[EMAIL PROTECTED]
>> Subject: Re: Tomcat 5.5, JNDI Connection Pooling, Active
>> connections keep increasing
>>
>> sinoea, of course yo
> From: Johnny Kewl [mailto:[EMAIL PROTECTED]
> Subject: Re: Tomcat 5.5, JNDI Connection Pooling, Active
> connections keep increasing
>
> sinoea, of course you can... that looks thread safe... but
> what I'm trying to do, is just make it bullet proof...
Your sug
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Sinoea,
Oh, and I always always /always/ set my connection pool size to a fixed
size of 1 (yes, a single connection) in development. This can help find
places where you are requesting two connections from the pool by a
single thread, which exposes yo
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Sinoea,
sinoea kaabi wrote:
> } finally {
> results.close();
> }
>
> } finally {
> statement.close();
> }
>
> } finally {
- Original Message -
From: "André Warnier" <[EMAIL PROTECTED]>
To: "Tomcat Users List"
Sent: Wednesday, September 17, 2008 10:18 PM
Subject: Re: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
increasing
Caldarale, Charles R wrote:
T
- Original Message -
From: "sinoea kaabi" <[EMAIL PROTECTED]>
To: "Tomcat Users List"
Sent: Wednesday, September 17, 2008 9:56 PM
Subject: RE: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
increasing
Right, I have attached the source
Caldarale, Charles R wrote:
That's completely erroneous.
Shame, Johnny's story was so nice..
-
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Johnny Kewl wrote:
>> So, what exactly does it mean when we say that Tomcat is thread
safe >> for
>> requests.
>> Tomcat creates a new thread for each request, so somehow my static
>> methods
>> are then thread safe (incdirectly, since it is managed by Tomcat).
I actually searched all over
- Original Message -
From: "sinoea kaabi" <[EMAIL PROTECTED]>
To: "Tomcat Users List"
Sent: Wednesday, September 17, 2008 4:48 PM
Subject: RE: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
increasing
This question about static variabl
- Original Message -
From: "sinoea kaabi" <[EMAIL PROTECTED]>
To: "Tomcat Users List"
Sent: Wednesday, September 17, 2008 4:48 PM
Subject: RE: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
increasing
This question about static variabl
on);
>
> throw new RuntimeException(namingException);
>
> } catch (SQLException sqlException) {
>
> log.fatal(sqlException);
>
> throw new RuntimeException(sqlException);
>
> }
>
> }
>
>
>
>
>
>
>> Date:
still on topic.
--David
Johnny Kewl wrote:
>
> - Original Message - From: "David Smith" <[EMAIL PROTECTED]>
> To: "Tomcat Users List"
> Sent: Wednesday, September 17, 2008 3:40 PM
> Subject: Re: Tomcat 5.5, JNDI Connection Pooling, Active
Wed, 17 Sep 2008 09:40:16 -0400
> From: [EMAIL PROTECTED]
> To: users@tomcat.apache.org
> Subject: Re: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
> increasing
>
> Comments inline ...
>
> Johnny Kewl wrote:
> >
> >> >> So, what exact
- Original Message -
From: "David Smith" <[EMAIL PROTECTED]>
To: "Tomcat Users List"
Sent: Wednesday, September 17, 2008 3:40 PM
Subject: Re: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
increasing
Comments inline ...
Johnny Kewl wro
> From: Johnny Kewl [mailto:[EMAIL PROTECTED]
> Subject: Re: Tomcat 5.5, JNDI Connection Pooling, Active
> connections keep increasing
>
> Sineoa, my feeling is dont use static, unless you really want
> it in a multithreaded environment
> It pumps all the threads thr
Comments inline ...
Johnny Kewl wrote:
>
>> >> So, what exactly does it mean when we say that Tomcat is thread
>> safe >> for
>> >> requests.
>> >> Tomcat creates a new thread for each request, so somehow my static
>> >> methods
>> >> are then thread safe (incdirectly, since it is managed by Tomca
>> So, what exactly does it mean when we say that Tomcat is thread safe
>> for
>> requests.
>> Tomcat creates a new thread for each request, so somehow my static
>> methods
>> are then thread safe (incdirectly, since it is managed by Tomcat).
I actually searched all over to try find somethi
ent: Wednesday, September 17, 2008 12:48 PM
> Subject: RE: Tomcat 5.5, JNDI Connection Pooling, Active connections
> keep increasing
>
>
>
> Just a question here,
> I am using a Data class to retrieve the datasource
>
> public class Data {
>
> /**
> * Gets a [EMAIL P
Thanks!
> Date: Wed, 17 Sep 2008 08:01:01 -0400
> From: [EMAIL PROTECTED]
> To: users@tomcat.apache.org
> Subject: Re: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
> increasing
>
> A static method can't have access to class instance variables.
- Original Message -
From: "sinoea kaabi" <[EMAIL PROTECTED]>
To: "Tomcat Users List"
Sent: Wednesday, September 17, 2008 12:48 PM
Subject: RE: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
increasing
Just a question here,
I am usin
; Collection branches = new BranchData().loadBranches(Data.getDataSource(), 1);
>
>
> Can the getDataSource method be static?
>
> Thanks,
> Sinoea
>
>
>> From: [EMAIL PROTECTED]
>> To: users@tomcat.apache.org
>> Subject: Re: Tomcat 5.5, JNDI Connection Poo
a
> From: [EMAIL PROTECTED]
> To: users@tomcat.apache.org
> Subject: Re: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
> increasing
> Date: Wed, 17 Sep 2008 12:25:17 +0200
>
>
> - Original Message -
> From: "sinoea kaabi"
> To: "Tomcat
Sounds reasonable, I will give it a try with non-static methods instead, new
Dao() basically.
Thanks,
Sinoea
> From: [EMAIL PROTECTED]
> To: users@tomcat.apache.org
> Subject: Re: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
> increasing
> Date: Wed, 17 Se
- Original Message -
From: "sinoea kaabi" <[EMAIL PROTECTED]>
To: "Tomcat Users List"
Sent: Wednesday, September 17, 2008 11:31 AM
Subject: RE: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
increasing
Thanks,
First I will try to close
pache.org
> Subject: Re: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
> increasing
> Date: Tue, 16 Sep 2008 18:58:25 +0200
>
>
> - Original Message -
> From: "Johnny Kewl" <[EMAIL PROTECTED]>
> To: "Tomcat Users List"
&g
- Original Message -
From: "Johnny Kewl" <[EMAIL PROTECTED]>
To: "Tomcat Users List"
Sent: Tuesday, September 16, 2008 5:41 PM
Subject: Re: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
increasing
- Original Message -
From
8:37 AM
To: Tomcat Users List
Subject: Re: Tomcat 5.5, JNDI Connection Pooling, Active connections
keep increasing
sinoea I dont use the JNDI pools, but I've marked a possible issue
below...
Dont think its getting to finally guess ;)
On the dB pools I use... connections will not inc
- Original Message -
From: "Johnny Kewl" <[EMAIL PROTECTED]>
To: "Tomcat Users List"
Sent: Tuesday, September 16, 2008 5:17 PM
Subject: Re: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
increasing
- Original Message -
Fr
rwise it wont
increase...
... why it resets at 37 I dont know, but I think you are leaking
connections...
- Original Message -
From: "sinoea kaabi" <[EMAIL PROTECTED]>
To:
Sent: Tuesday, September 16, 2008 11:23 AM
Subject: Tomcat 5.5, JNDI Connection Pooling, Ac
- Original Message -
From: "Brantley Hobbs" <[EMAIL PROTECTED]>
To: "Tomcat Users List"
Sent: Tuesday, September 16, 2008 5:27 PM
Subject: Re: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
increasing
"return" statements d
kaabi [mailto:[EMAIL PROTECTED]
Sent: Tuesday, September 16, 2008 10:10 AM
To: Tomcat Users List
Subject: RE: Tomcat 5.5, JNDI Connection Pooling, Active connections
keep increasing
Yes, as I said in the first post, that I have checked through all the
code, and I am closing all the connections
t"
Sent: Tuesday, September 16, 2008 5:10 PM
Subject: RE: Tomcat 5.5, JNDI Connection Pooling, Active connections
keep increasing
Yes, as I said in the first post, that I have checked through all the
code,
and I am closing all the connections (in a finally block) after they
have been u
- Original Message -
From: "sinoea kaabi" <[EMAIL PROTECTED]>
To: "Tomcat Users List"
Sent: Tuesday, September 16, 2008 5:10 PM
Subject: RE: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
increasing
Yes, as I said in the first post, t
ect: RE: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
> increasing
> Date: Tue, 16 Sep 2008 11:02:46 -0400
> From: [EMAIL PROTECTED]
> To: users@tomcat.apache.org
>
> At the end of the servlet or JSP or whichever, you need to kill off
> connections cr
, Active connections
keep increasing
How exaclt do you mean?
Anywhere in my code where you have seen that?
Thanks!
> Subject: RE: Tomcat 5.5, JNDI Connection Pooling, Active connections
keep increasing
> Date: Tue, 16 Sep 2008 10:26:03 -0400
> From: [EMAIL PROTECTED]
&g
How exaclt do you mean?
Anywhere in my code where you have seen that?
Thanks!
> Subject: RE: Tomcat 5.5, JNDI Connection Pooling, Active connections keep
> increasing
> Date: Tue, 16 Sep 2008 10:26:03 -0400
> From: [EMAIL PROTECTED]
> To: users@tomcat.apache.org
>
> S
Sounds like you're not explicitly killing off the connections you set in
the first place.
-Original Message-
From: sinoea kaabi [mailto:[EMAIL PROTECTED]
Sent: Tuesday, September 16, 2008 4:24 AM
To: users@tomcat.apache.org
Subject: Tomcat 5.5, JNDI Connection Pooling, A
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