> From: Ravi116 [mailto:[EMAIL PROTECTED]
> Subject: RE: How to use catalina classloader
>
> Wondering if the code loads with Catalina
> classloader based on package structure ?
Looks to me like either that or the privileged flag should work. Here's
the relevant code snippets from StandardWrapper.java:
// Special case class loader for a container provided
servlet
if (isContainerProvidedServlet(actualClass) &&
! ((Context)getParent()).getPrivileged() ) {
// If it is a priviledged context - using its own
// class loader will work, since it's a child of the
container
// loader
classLoader = this.getClass().getClassLoader();
}
// Special handling for ContainerServlet instances
if ((servlet instanceof ContainerServlet) &&
(isContainerProvidedServlet(actualClass) ||
((Context)getParent()).getPrivileged() )) {
((ContainerServlet) servlet).setWrapper(this);
}
/**
* Return <code>true</code> if the specified class name represents a
* container provided servlet class that should be loaded by the
* server class loader.
*
* @param classname Name of the class to be checked
*/
private boolean isContainerProvidedServlet(String classname) {
if (classname.startsWith("org.apache.catalina.")) {
return (true);
}
try {
Class clazz =
this.getClass().getClassLoader().loadClass(classname);
return (ContainerServlet.class.isAssignableFrom(clazz));
} catch (Throwable t) {
return (false);
}
}
Not sure why the privileged flag by itself is insufficient. Perhaps the
"since it's a child of the container loader" comment isn't completely
accurate, or something isn't being inherited properly.
- Chuck
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