Classloaders in Application Server

[noga knaz]

Hi,

I have several applications installed on one application server.
Does each application have its own Classloader? Or do they all use the same one?

Thanks

[Tim LeMaster]

Both - Each application has a stack of Classloaders.

You have classloaders for each module in the application (WAR, EJB modules, etc)
A classloader across the application (EAR)
and classloaders from Websphere (ws.ext.dirs) and Java system (CLASSPATH variable) - which would be shared by all apps

[noga knaz]

thanks