On 26/05/2010 21:33, Christopher Schultz wrote:
> I'd bet that Tomcat's "stop leaks" procedure is clearing-out a
> static Timer reference and /then/ the ServletContextListener is trying
> to access it.
I'll take that bet. How much ;)
> That's not supposed to happen, I'm guessing: the "stop
> leak
Hi Chris,
The initial submitter had a HttpServlet implementing
ServletContextListener with a non static timer, and in fact there were 2
instances of the class: the contextDestroyed method of the
servletContextListener instance can't cancel the timer of the
httpServlet instance (NullPointerExc
> From: Christopher Schultz [mailto:ch...@christopherschultz.net]
> Subject: Re: Stopping a Timer in contextDestroyed() to avoid memory
> leaks results in a NullPointerException
>
> I'd bet that Tomcat's "stop leaks" procedure is clearing-out a
>
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Hash: SHA1
Emeric,
On 5/26/2010 3:52 PM, Emeric Vernat wrote:
> You could also eliminate the mix & match and add a finally, with the
> following servlet code for example:
>
> public void init() throws ServletException {
>boolean initOk = false;
]
Subject: Re: Stopping a Timer in contextDestroyed() to avoid memory
leaks results in a NullPointerException
"You can optionally also let your servlet both extend
HttpServlet and implement ServletContextListener"
It is also said that "it is not always considered a
good practice."
Why
> From: roberto calosino [mailto:devn...@web.de]
> Subject: Re: Stopping a Timer in contextDestroyed() to avoid memory
> leaks results in a NullPointerException
>
> "You can optionally also let your servlet both extend
> HttpServlet and implement ServletContextListener"
but
others not ?
Thank you for your help.
-Ursprüngliche Nachricht-
Von: Pid
Gesendet: 26.05.2010 20:45:53
An: Tomcat Users List
Betreff: Re: Stopping a Timer in contextDestroyed() to avoid memory leaks
results in a NullPointerException
>On 26/05/2010 19:43, devn...@web.de wro
On 26/05/2010 19:43, devn...@web.de wrote:
> Hi,
>
> Thanks for reading this.
>
> I am developing a webapp and do not understand the following:
> In my app, I create a Timer when the servlet starts.
> When tomcat stops, I try to stop the timer in order to avoid memory leaks.
>
> My question is:
Hi,
Thanks for reading this.
I am developing a webapp and do not understand the following:
In my app, I create a Timer when the servlet starts.
When tomcat stops, I try to stop the timer in order to avoid memory leaks.
My question is: why do I get a NullPointerException while trying to access
m
