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| <div class="block"><P>Chainsaw is a GUI log viewer and filter for the log4j |
| package. By default it listens for <a href="../spi/LoggingEvent.html">LoggingEvent</A> objects sent using |
| the <A href="../net/SocketAppender.html">SocketAppender</A> and |
| displays them in a table. The events can be filtered based on:</P> |
| |
| <UL> |
| <LI>Level </li> |
| |
| <LI>Thread name</li> |
| |
| <LI>Logger</li> |
| <LI>Message</li> |
| |
| <LI>NDC</LI> |
| </UL> |
| |
| <P>All the details for each event can be displayed by selecting |
| the event in the table.</P> |
| |
| <P>Chainsaw also supports loading a events logged to a file using |
| the <A href="../xml/XMLLayout.html">XMLLayout</A> format. This |
| is great for analysing log files, and means you do not need to |
| keep Chainsaw running continously. It is easy to add support |
| for loading events from other sources like JDBC.</P> |
| |
| <P>A picture is worth a thousand words: </P> |
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| <P align=center><A href="doc-files/Chainsawv2.gif"><IMG height="50%" alt="Screen shot of chainsaw" src="doc-files/Chainsawv2.gif" width="50%"></A>.</P> |
| |
| <P>Finally, why is it called chainsaw? |
| Because it cuts your log (file) down to size. :-) |
| </P> |
| |
| |
| <H2>Requirements</H2> |
| |
| <P>Chainsaw is based on the Swing API and requires JDK 1.4 or later.</P> |
| |
| |
| <H2>Running chainsaw</H2> |
| |
| <H3>Setup</H3> |
| <P>You need to include the <code>log4j.jar</code> and <code>xstream.jar</code> in the classpath. |
| |
| <H3>Usage</H3> |
| |
| <P>The command line usage is:</P> |
| |
| <PRE> java -D<property>=<value> org.apache.log4j.chainsaw.LogUI </PRE> |
| |
| <H2>Configuring Log4J</H2> |
| |
| <P>You will need to configure log4j to send logging events to |
| Chainsaw. There is an example Log4j xml configuration file included with Chainsaw, you can view it inside |
| the Chainsaw GUI by clicking on the button in the welcome screen.</P></div> |
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| <p class="legalCopy"><small><p align="center">Copyright © 2002-2020 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All Rights Reserved.<br /> Apache Logging, Apache Log4j, Log4j, Apache Chainsaw, Chainsaw, Apache, the Apache feather logo, the Apache Logging project logo, and the Apache Log4j logo are trademarks of The Apache Software Foundation.</p></small></p> |
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