Author: rjung
Date: Wed Dec 5 11:29:31 2012
New Revision: 1417363
URL: http://svn.apache.org/viewvc?rev=1417363&view=rev
Log:
Clarify ALV docs (log file name stuff).
Modified:
tomcat/trunk/webapps/docs/config/valve.xml
Modified: tomcat/trunk/webapps/docs/config/valve.xml
URL:
http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/config/valve.xml?rev=1417363&r1=1417362&r2=1417363&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/config/valve.xml (original)
+++ tomcat/trunk/webapps/docs/config/valve.xml Wed Dec 5 11:29:31 2012
@@ -80,6 +80,17 @@
<code>AccessLog</code> implementation found to log those requests that are
rejected before they are passed to a container.</p>
+ <p>The output file will be placed in the directory given by the
+ <code>directory</code> attribute. The name of the file is composed
+ by concatenation of the configured <code>prefix</code>, timestamp and
+ <code>suffix</code>. The format of the timestamp in the file name can be
+ set using the <code>fileDateFormat</code> attribute. This timestamp will
+ be omitted if the file rotation is switched off by setting
+ <code>rotatable</code> to <code>false</code>.</p>
+
+ <p><strong>Warning:</strong> If multiple AccessLogValve instances
+ are used, they should be configured to use different output files.</p>
+
<p>If sendfile is used, the response bytes will be written asynchronously
in a separate thread and the access log valve will not know how many bytes
were actually written. In this case, the number of bytes that was passed to
@@ -175,7 +186,7 @@
<attribute name="rotatable" required="false">
<p>Flag to determine if log rotation should occur.
If set to <code>false</code>, then this file is never rotated and
- <code>fileDateFormat</code> is ignored. Use with caution!
+ <code>fileDateFormat</code> is ignored.
Default value: <code>true</code>
</p>
</attribute>
@@ -223,11 +234,12 @@
</attribute>
<attribute name="fileDateFormat" required="false">
- <p>Allows a customized date format in the access log file name.
- The date format also decides how often the file is rotated.
+ <p>Allows a customized timestamp in the access log file name.
+ The file is rotated whenever the formatted timestamp changes.
+ The default value is <code>.yyyy-MM-dd</code>.
If you wish to rotate every hour, then set this value
- to: <code>.yyyy-MM-dd.HH</code>. The default value is
- <code>.yyyy-MM-dd</code>. The date format will always be localized
+ to <code>.yyyy-MM-dd.HH</code>.
+ The date format will always be localized
using the locale <code>en_US</code>.
</p>
</attribute>
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