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Re: Strack traces with Exception::Class

by IlyaM (Parson)
on Nov 04, 2003 at 10:24 UTC ( #304369=note: print w/ replies, xml ) Need Help??


in reply to Strack traces with Exception::Class

From Exception::Class documentation:

* Trace($boolean) Each "Exception::Class::Base" subclass can be set individually to include a a stracktrace when the "as_string" method is called. The default is to not include a stacktrace. Calling this method with a value changes this behavior. It always returns the current value (after any change is applied). This value is inherited by any subclasses. However, if this value is set for a subclass, it will there- after be independent of the value in "Excep- tion::Class::Base". This is a class method, not an object method.

I.e if you need stacktraces for exception class MyException (and its childs) you need to add

MyException->Trace(1);

Alternatively you can just redefine as_string() method to print uncaught exceptions as you wish.

--
Ilya Martynov, ilya@iponweb.net
CTO IPonWEB (UK) Ltd
Quality Perl Programming and Unix Support UK managed @ offshore prices - http://www.iponweb.net
Personal website - http://martynov.org


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Re^2: Strack traces with Exception::Class
by je44ery (Hermit) on Dec 06, 2005 at 19:28 UTC

    Hopefully, this isn't too old to post to.

    I just had to solve this problem myself. I wanted all exceptions to show stack traces all the time. Since Trace($boolean) is a class method, I just did this (see below) once, and it worked for all child/sub classes and their objects.

    Exception::Class::Base->Trace(1);

    I put that right after my use statement.

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