This is very useful for me slightly different circumstance.
+1
On Thu, Jul 22, 2010 at 10:17 AM, Pid wrote:
> On 22/07/2010 05:58, Eric P wrote:
> > Hi all,
> >
> > In my Tomcat app I'm looking for a good (or commonly used) method for
> > firing off an asynchronous task. For example, a user re
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André,
On 7/23/2010 2:22 PM, André Warnier wrote:
> You can of course imagine which language I was thinking of.
#!/usr/bin/perl
use Perl::MailSendFromDbQueue;
go("mydb", "user", "pass");
#end
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Christopher Schultz wrote:
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Eric,
On 7/22/2010 7:41 PM, Eric P wrote:
I'll probably go w/the email queue/database table approach. All the
points André and Christopher raised gave me further insight into the
robustness of this approach (loose coupli
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Eric,
On 7/22/2010 7:41 PM, Eric P wrote:
> I'll probably go w/the email queue/database table approach. All the
> points André and Christopher raised gave me further insight into the
> robustness of this approach (loose coupling w/the app, no extra l
Christopher Schultz wrote:
> Oh, and one more thing: any in-memory solution you come up with (that
is, without writing to a database) is likely to suffer from loss of jobs
in the event of a crash or poorly-coded exception-handling.
This isn't necessarily a case for using a separate process just
On 22/07/2010 15:37, André Warnier wrote:
> Mikolaj Rydzewski wrote:
>> On 07/22/2010 03:49 PM, Martin Gainty wrote:
>>> //i wasnt able to determine JMX ability to schedule a specific task
>>> for a specific time?
>>>
>>
>> I was referring to Andre's sentence:
>> "[using database] makes it easi
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Eric,
On 7/22/2010 12:56 PM, Christopher Schultz wrote:
> Eric,
>
> On 7/22/2010 12:58 AM, Eric P wrote:
>> One idea would be to insert a record into a database table that
>> signifies an email should be sent to the user. This table could be
>> regu
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André,
On 7/22/2010 4:33 AM, André Warnier wrote:
> André Warnier wrote:
> Talking further to myself, I'll add that it also makes it easier to
> suspend/resume the sending of emails separately if you need to for some
> reason, without having to change
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Eric,
On 7/22/2010 12:58 AM, Eric P wrote:
> One idea would be to insert a record into a database table that
> signifies an email should be sent to the user. This table could be
> regularly checked by a scheduled job (e.g., a TimerTask) that runs eve
Mikolaj Rydzewski wrote:
On 07/22/2010 03:49 PM, Martin Gainty wrote:
//i wasnt able to determine JMX ability to schedule a specific task
for a specific time?
I was referring to Andre's sentence:
"[using database] makes it easier to suspend/resume the sending of
emails separately if you n
On 07/22/2010 03:49 PM, Martin Gainty wrote:
//i wasnt able to determine JMX ability to schedule a specific task for a
specific time?
I was referring to Andre's sentence:
"[using database] makes it easier to suspend/resume the sending of
emails separately if you need to for some reason, w
nt donné que les email peuvent facilement
être sujets à la manipulation, nous ne pouvons accepter aucune responsabilité
pour le contenu fourni.
> Date: Thu, 22 Jul 2010 11:19:19 +0200
> From: m...@ceti.pl
> To: users@tomcat.apache.org
> Subject: Re: Fire off asynch task in
On 07/22/2010 10:33 AM, André Warnier wrote:
Talking further to myself, I'll add that it also makes it easier to
suspend/resume the sending of emails separately if you need to for
some reason, without having to change anything to your running webapp.
I know, it is certainly less exciting than
André Warnier wrote:
Eric P wrote:
Hi all,
In my Tomcat app I'm looking for a good (or commonly used) method for
firing off an asynchronous task. For example, a user registers for an
account, and an a task to send a verification email to the user is
triggered w/o delaying the response to th
On 07/22/2010 10:17 AM, Pid wrote:
Have a look at Executors.class in java.util.concurrent. You can
start/stop an ExecutorService in the init/destroy methods of your
Servlet, submit a Runnable to the ExecutorService representing the
job(s) you want to execute.
Timer / TimerTask might be an
On 22/07/2010 05:58, Eric P wrote:
> Hi all,
>
> In my Tomcat app I'm looking for a good (or commonly used) method for
> firing off an asynchronous task. For example, a user registers for an
> account, and an a task to send a verification email to the user is
> triggered w/o delaying the response
Eric P wrote:
Hi all,
In my Tomcat app I'm looking for a good (or commonly used) method for
firing off an asynchronous task. For example, a user registers for an
account, and an a task to send a verification email to the user is
triggered w/o delaying the response to the user (i.e., task hap
Eric,
You can use a simple Consumer/Producer pattern here.
See the java.util.Queue classes. What I have done in a similar situation
is create a single Queue, multiple consumer threads all blocking on the
same queue. A user action puts something in the queue, and one of the
thread comes out of
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