Alarm Thread Monitor messages in Websphere Application server 8.0.0.4

I noticed the following messages in my console after keeping the server idle for a day or so


[4/30/13 7:28:55:045 CDT] 0000002c AlarmThreadMo W   UTLS0008W: The return of alarm thread "Deferrable Alarm : 3" (0000002a) to the alarm thread pool has been delayed for 10281 milliseconds. This may be preventing normal alarm function within the application server. The alarm listener stack trace is as follows:
at java.io.WinNTFileSystem.getLastModifiedTime(Native Method)
at java.io.File.lastModified(File.java:837)
at com.ibm.ws.classloader.ReloadableClassLoader.checkForUpdate(ReloadableClassLoader.java:241)
at com.ibm.ws.classloader.ClassLoaderManager.checkAndNotify(ClassLoaderManager.java:543)
at com.ibm.ws.classloader.ClassLoaderManager.access$000(ClassLoaderManager.java:82)
at com.ibm.ws.classloader.ClassLoaderManager$ReloadTimerTask.alarm(ClassLoaderManager.java:586)
at com.ibm.ejs.util.am._Alarm.run(_Alarm.java:133)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1659).

Here is what I found from IBM

http://www-01.ibm.com/support/docview.wss?uid=swg21623512

Adding -Dcom.ibm.websphere.alarmthreadmonitor.threshold.millis=140000 to JVM args suppresses the warning successfully.
http://stackoverflow.com/questions/18860737/alarm-thread-warning-every-60-seconds

How to set JVM args on server

Application Server

1. In the Administration Console select Servers
2. Expand Server Type and select WebSphere application servers
3. Click on the name of your server
4. Expand Java and Process Management and select Process Definition.
5. Under the Additional Properties section, click Java Virtual Machine.
6. Scroll down and locate the textbox for Generic JVM arguments.