Creating custom logger files for your portlet and also default logger file for server .
Disabling console appender .
Step 1:Create a ext portlet using liferay IDE .
Step 2: create a META-INF folder under ext-impl/src (src) and create a portal-log4j-ext .xml add log4j.dtd file
Example: portal-log4j-ext .xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
<!-- additional custom logging -->
<appender name="file" class="org.apache.log4j.RollingFileAppender">
<param name="File" value="${catalina.base}/logs/srikanthcustom.log"/>
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d{ABSOLUTE} %5p %c{1}:%L - %m%n"/>
</layout>
</appender>
<!-- general application log -->
<appender name="liferayFile" class="org.apache.log4j.RollingFileAppender">
<param name="File" value="${catalina.base}/logs/liferay.log"/>
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d{ABSOLUTE} %5p %c{1}:%L - %m%n"/>
</layout>
</appender>
<!—Custom portlet logging -->
<category name="com.test.sample">
<priority value="INFO" />
<appender-ref ref="file"/>
</category>
<!-- default logging -->
<root>
<priority value="INFO" />
<appender-ref ref="liferayFile"/>
</root>
</log4j:configuration>
Explaination: The above code will create a 2 log file under server(tomcat)\logs
1:liferay.log as default log file,It appends all the default logs .
2: srikanthcustom.log (newsroom in example below)file,this file appends only logs from the package which are metioned in the category,as shown below.
<category name="com.test.sample">
<priority value="INFO" />
<appender-ref ref="file"/>
</category>
Note: Once you create the ext portlet ,after deploying wait for few seconds and then restart the server to see the effects.
