RE: Running out of tomcat threads - why many threads in RUNNABLEstageeven with no activity

["Caldarale, Charles R" <Ch...@unisys.com>]

> From: Christopher Schultz [mailto:chris@christopherschultz.net]
> Subject: Re: Running out of tomcat threads - why many threads in
> RUNNABLEstageeven with no activity
> 
> Or, maybe Java's thread states don't differentiate between 
> actually runnable and runnable but blocked (as opposed to
> WAITING which means waiting on a synchronization monitor).

Correct; there is no BLOCKED state from the point of view of a Java thread.  When in native code, such as reading from a socket or any other JNI method, the thread is still considered RUNNABLE, since the VM has no control over when it might be executing.

 - Chuck


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