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From Alex Karasulu <>
Subject Re: [MINA] BindException on Unix
Date Sat, 07 Jan 2006 17:31:37 GMT wrote:

> Hi Alessandro,
>> I give my poor opinion on this. I think this is logically incorrect, 
>> because Java is potentially platform independent.
>> Setting some parameters on the platform I'm going to violate this 
>> kind of contract, so why don't use C++ ?
>> And sorry I don't understand a GUI implementation to stop a 
>> server...I want to do a unix service, I want to start, stop or
>> restart my service with the classic init.d concept...
> As the other unix daemon, you should use the signals (like SIGKILL) to 
> catch events
> from the OS and manage them as you want:
> I don't know how to do that, but I know that you can capture the 
> signal of kill and run your own
> events (i.e. do a correct shut-down disconnecting all the clients 
> connected and unbinding the ServerSockets,
> and then call your System.exit() )
> I've seen a snippit of code that work in this way for other java 
> programs, and I tested it on Winzoz and Linux in the same way.

Use a JVM shutdown hook which I think traps some signals.

@see Runtime.getRuntime().addShutdownHook( Thread hook )


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