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<TITLE>Tcl API Reference -- ns_log</TITLE>
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<a name="32344">
</a><h3>ns_log</h3>
<a name="3846">
</a><h4>Overview</h4>
<p><a name="3850">
</a>Write messages to the error log</p>
<a name="3852">
</a><h4>Syntax</h4>
<p><a name="3856">
</a><b>ns_log</b> <i>severity message</i></p>
<a name="3858">
</a><h4>Description</h4>
<p><a name="3860">
</a>While the AOLserver is running it logs various events from Notices to Fatal errors. Usually the AOLserver is running in the background, in which case these messages are placed in the server log. In absence of an ServerLog key in the AOLserver nsd.ini file, this file is the /log/error.log under the AOLserver installation directory. When the AOLserver is running in the foreground the messages are redirected to stderr.</p>
<p><a name="3865">
</a><b>ns_log</b> writes the <i>message</i> to the server error log file. Allowable values for <i>severity</i> are:<Table Border = "3">
<tr><td><p><a name="121">
</a>Notice</p>
<td><p><a name="123">
</a>Something interesting occurred.</p>
<tr><td><p><a name="129">
</a>Warning</p>
<td><p><a name="131">
</a>Something that could mean something bad occurred.</p>
<tr><td><p><a name="137">
</a>Error</p>
<td><p><a name="139">
</a>Something bad occurred.</p>
<tr><td><p><a name="145">
</a>Fatal</p>
<td><p><a name="147">
</a>Something extremely bad occurred. The server will shut down after logging the message.</p>
<tr><td><p><a name="153">
</a>Bug</p>
<td><p><a name="155">
</a>Something occurred that implies that there is a bug in the code.</p>
<tr><td><p><a name="26412">
</a>Debug</p>
<td><p><a name="26414">
</a>If the server is in Debug mode, the message is printed. Debug mode is specified in the [ns/parameters] section of the configuration file. Otherwise, the message is not printed.</p>
</Table></p>
<a name="3867">
</a><h4>Example</h4>
<p><a name="3869">
</a>This is an excerpt from an AOLserver error.log:</p>
<pre> <a name="3871"></a>[12/Jul/1995:18:10:13 -0700][1103] Notice: starting servers.
</pre><p><a name="49597">
</a><h4>See Also</h4>
<p><a name="49598">
</a>Ns_Log(), Ns_LogRaw() (C API)</p>
<p><a name="49602">
</a>nsd.ini (AOLserver Configuration File)</p>
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