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+1  Q: 

Do the JBoss attributes ActiveThreadCount and ActiveThreadGroupCount have maximums?

Hi,

In JBoss 5, there is the mbean

jboss.system:type=ServerInfo

Which has the properties ActiveThreadCount and ActiveThreadGroupCount.

Does anyone know if there are maximum values for either or both of these properties, and if there are, how to find them out? I am happy parsing configuration files if necessary.

Looking at the source code of org.jboss.system.server.ServerInfo, getActiveThreadCount returns the number of active threads in a ThreadGroup, not a ThreadPoolExecutor; therefore there is no maximum.

Perhaps someone who really knows the innards of JBoss 5.1.0 GA would know whether all members of that ThreadGroup are created by a single ThreadPoolExecutor which obviously does have a maximum?

Thanks in advance for any suggestions or pointers!

Rich

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