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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
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<title>
CMS MessageLogger: Guide To Issuing Messages
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<h1> <img src="header-public.gif" align="center"> </h1>
<font color=red>
<h1>CMS MessageLogger Service
<br>
Guide To Issuing Messages</h1>
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</center>
<p>
The CMS MessageLogger Service is meant to allow code in modules, other
services, and other framework "scaffolding" to log
messages to a unified message logging
and statistics facility.
<p>
The MessageLogger Service captures and coordinates messages originating in
multiple modules (which, under the CMS framework, will in general be running
in multiple threads) into a specified set of destinations.
The management of these destinations is
based on the ZOOM Error Logger package developed at Fermilab.
<p>
All users of the MessageLogger service should read the section on
<a href="MessageLogger.html#howSend"> Issuing Messages </a>.
<p>
The behavior of the MessageLogger can be adjusted via lines in the
job's configuration file (.cfg).
Users wishing to customize the behavior of the MessageLogger should read
the section on
<a href="parameters.html"> MessageLogger Parameters </a>.
<p>
<ul>
<li> <a href="MessageLogger.html#howSend"> Issuing Messages </a>
<li><a href="parameters.html"> MessageLogger Parameters </a> - Configuring
Destinations and their filtering behaviors
<li><a href="requirements.html">
Open Issues Concerning Features Wanted by CMS </a>
<!-- <li> <a href="parameters.html">
Modifying Behavior via the MessageLogger Service </a> -->
</ul>
<p><center>
<img src="bar.gif"></center>
<p><center>
<a href="http://www.uscms.org/SoftwareComputing/index.html">
USCMS Software and Computing Home Page </a>
</center>
<p>
<hr>
<address><a href="mailto:mf@fnal.gov">Mark Fischler</a></address>
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Last modified: December 5, 2005
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