I've created an JSP errorPage and now I want to know which
exception has been thrown.

On the errorPage, exception.getClass() only gives
"class org.apache.jasper.JasperException"

I want the "Root cause" exception (as seen without errorPage).

Fortunately, in the javax.servlet API, I saw the getRootCause() method
but (unfortunately), it doesn't work with JasperException.

I've three questions:

1) How do I get the Root cause of an exception?

2) Where is the JavaDoc of org.apache.jasper? (I searched the whole
Tomcat website and Tomcat doc and couldn't find it)

3) Isn't this a FAQ?

Bye,
Edwin Martin.

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