Hvordan dræbes en tråd der står og venter på io?

Du har fårhåbentligt en reference til den og kan kalde interrupt på den ?

Det har jeg. Men vil det virke?

Eller jeg mener kan man det? jeg troede kun man kunne interrupte en thread der var i sleep eller wait.

Jeg mener også at du kan hvis den venter på IO.

If this thread is blocked in an invocation of the wait(), wait(long), or wait(long, int) methods of the Object  class, or of the join(), join(long), join(long, int), sleep(long), or sleep(long, int), methods of this class, then its interrupt status will be cleared and it will receive an InterruptedException.

    If this thread is blocked in an I/O operation upon an interruptible channel then the channel will be closed, the thread's interrupt status will be set, and the thread will receive a ClosedByInterruptException.

    If this thread is blocked in a Selector then the thread's interrupt status will be set and it will return immediately from the selection operation, possibly with a non-zero value, just as if the selector's wakeup method were invoked.

    If none of the previous conditions hold then this thread's interrupt status will be set.

Så spørgsmålet er nok om det er en "interruptible channel" ?

I nyere Java version bør du kunne ændre timeout med:

System.setProperty( "sun.net.client.defaultConnectTimeout", "100");
System.setProperty( "sun.net.client.defaultReadTimeout ", "100");

OK ?