From: Justin Lee <justin.d.lee_at_oracle.com>
Date: Mon, 22 Mar 2010 14:18:48 -0400

See this recent thread for details:
http://forums.java.net/jive/thread.jspa?messageID=391178&#391178

On 3/22/10 1:06 PM, glassfish_at_javadesktop.org wrote:
> Hi,
>
> When a Glassfish v3 server starts up with the default settings and an AJP connector enabled, the following message appears in the server.log:
>
> [#|2010-03-22T14:09:52.462+0100|WARNING|glassfishv3.0|org.apache.tomcat.util.threads.ThreadPool|_ThreadID=11;_ThreadName=Thread-2;|threadpool.max_threads_too_low|#]
>
> Looking at the source of org.apache.tomcat.util.threads.ThreadPool.java, it would appear to be because:
>
> /*
> * Default values ...
> */
> public static final int MAX_THREADS = 200;
> public static final int MAX_THREADS_MIN = 10;
> ....
> if(maxThreads&lt;= 0) {
> maxThreads = MAX_THREADS;
> } else if (maxThreads&lt; MAX_THREADS_MIN) {
> log.warning(sm.getString("threadpool.max_threads_too_low",
> Integer.valueOf(maxThreads),
> Integer.valueOf(MAX_THREADS_MIN)));
> maxThreads = MAX_THREADS_MIN;
> }
>
> And the max threads default for the http-thread-pool is 5. If I change this number to 10, the warning goes away.
>
> Is this a bug, and what are the implications of ignoring the warning versus raising the max to 10?
>
> Thanks.
>
> Richard
> [Message sent by forum member 'richardss']
>
> http://forums.java.net/jive/thread.jspa?messageID=393158
>
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>