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From Kazimierz Pogoda <mori...@ncdc.pl>
Subject Bug in cornerstone-scheduler release
Date Mon, 10 Jan 2005 12:16:04 GMT
Some time ago I've downloaded cornerstone-scheduler-impl-2.0.0.jar from
to use it in our project. New version of our project is using scheduling
very extensively.

We have noticed strange unreproducible scheduling problems affecting our
deployment, and after long investigation we have solve it. Here are the

Wrong order of elements in priority queue, because of wrong
compareTo(Object) method implementation.

Decompiled code:
            public int compareTo(Object object)
/* 119*/        TimeScheduledEntry other = (TimeScheduledEntry)object;
/* 120*/        return (int)(-(other.m_time - m_time));

In excalibur subversion repository this bug is fixed.

Please. Release new bugfix release of cornerstone components and provide
sources for 2.0.0. It was very annoying bug to solve. :(
How many other cornerstone users will face this problem?

"the spirit can only withdraw into a corner. And yet, it is not at all 
 worn out or superfluous, but, like an (eternal) witness, floats above 
 the rubble of culture - almost like an  avenger of God.  As though it 
 awaited a new incarnation."
                                        -- Ludwig Wittgenstein --
Kazimierz Pogoda
Nordic Consulting & Development Company

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