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From David kerber <dcker...@verizon.net>
Subject Re: Terminating Timer Thread Gracefully
Date Tue, 12 Jul 2011 14:03:09 GMT
On 7/12/2011 9:59 AM, Kris Schneider wrote:
> On Tue, Jul 12, 2011 at 7:59 AM, Caldarale, Charles R
> <Chuck.Caldarale@unisys.com>  wrote:
>>> From: Terence M. Bandoian [mailto:terence@tmbsw.com]
>>> Subject: Terminating Timer Thread Gracefully
>>
>>> Finally, in contextDestroyed, I inserted a call to
>>> Thread.sleep after canceling the timer and the error
>>> message disappeared.
>>
>> You should be able to do a Thread.join() using the timer's Thread object rather than
sleeping.
>
> But Timer doesn't expose its thread. An alternative would be use
> something like Executors.newSingleThreadScheduledExecutor() to get a
> ScheduledExecutorService. The executor can be used to schedule a
> Runnable with a fixed rate or delay. When the context is destroyed,
> shutdown the executor and await its termination.

No need even to do that; just .cancel() the timer.

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