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POConfiguring RollingFileAppender in log4j
 

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    <p>I'm working on a set of web services and we'd like to have a daily rotated log.</p> <p>I'm trying to get <code>org.apache.log4j.rolling.RollingFileAppender</code> from the log4j extras companion working, since the documentation suggests this is best for production environments.</p> <p>I have both the main log4J library (<code>log4j-1.2.15.jar</code>) and the log4j extras library (<code>apache-log4j-extras-1.1.jar</code>) on the classpath.</p> <p>I have the following configuration for the appender in the <code>log4j.properties</code> file:</p> <pre><code>### SOAP Request Appender log4j.appender.request=org.apache.log4j.rolling.RollingFileAppender log4j.appender.request.File=SOAPmessages.log log4j.appender.request.RollingPolicy=org.apache.log4j.rolling.TimeBasedRollingPolicy log4j.appender.request.RollingPolicy.ActiveFileName =SOAPmessages-%d.log log4j.appender.request.RollingPolicy.FileNamePattern=SOAPmessages-%d.log.zip log4j.appender.request.layout = org.apache.log4j.PatternLayout log4j.appender.request.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n </code></pre> <p>However, when I start the web service with log4j in debug mode I get these error messages:</p> <pre><code>log4j: Parsing appender named "request". log4j: Parsing layout options for "request". log4j: Setting property [conversionPattern] to [%d{ABSOLUTE} %5p %c{1}:%L - %m%n]. log4j: End of parsing for "request". log4j: Setting property [file] to [/logs/SOAPmessages.log]. log4j:WARN Failed to set property [rollingPolicy] to value "org.apache.log4j.rolling.TimeBasedRollingPolicy". log4j:WARN Please set a rolling policy for the RollingFileAppender named 'request' log4j: Parsed "request" options. </code></pre> <p>I've found documentation about how to configure this appender a little sparse, so <strong>can anyone help me fix my configuration?</strong></p> <p><strong>EDIT0:</strong> Added debug mode output, rather than just the standard warnings</p>
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    1. COTo troubleshoot this problem, I think you could try to turn on Log4j debug mode to see if there are any more detailed error messages
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    2. CONot an answer, just a suggestion. You really should look into logback. Its so much more flexible that log4j.
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    3. COFYI: This problem was fixed in log4j v1.2.16. it now supports setting rollingPolicy via the properties file. https://issues.apache.org/bugzilla/show_bug.cgi?id=36384
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