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From "Saurabh Agrawal" <saurabh.agra...@criticalpath.net>
Subject Cannot configure apache-log4j-extras-1.0 with apache-log4j-1 for time based log rotation
Date Mon, 19 Jul 2010 16:57:11 GMT
Hi Friends,


Tomcat version: apache-tomcat-5.5.27 

Operating System: SunOS 10.0 / Linux



I've tried many times to configure apache-log4j-extras-1.0 with
apache-log4j-1.2.16, but it is still failing to load classes from configure
apache-log4j-extras-1.0 JAR file. 

What I want to do: Actually I want to do time based log rotation the my
application specific log files. I could able to configure using
'net.cp.ps.sdk.util.log.DailyRollingFileAppender' class, but few problems
are reported on Apache site for this class. 

Solution I can think of: So, I have to look for another option for
'net.cp.ps.sdk.util.log.DailyRollingFileAppender' class, and I found
'org.apache.log4j.rolling.RollingFileAppender' class and can use
'org.apache.log4j.rolling.TimeBasedRollingPolicy' in that. 


Steps I performed so far: 

1. Downloaded apache-log4j-extras-1.0 with apache-log4j-1.2.16 JAR files
from web. 

2. Renamed apache-log4j-1.2.16.jar to simple 'log4j.jar'. 

3. Copied apache-log4j-extras-1.0.jar in ~/WEB-INF/lib directory, where my
old log4j is present. 

4. Extracted new log4j.jar (1.2.16). 

5. Edited the pom.xml file from new 'log4j.jar' to include
'apache-log4j-extras-1.0'. Steps are described here: (

6. Created jar file again, after editing pom.xml. 

7. Then I added following configuration block, in my application specific
log-conf.xml (present in ~/WEB-INF/etc/):

<!-- Presentation Server Access log appender -->  

<appender name="access-log"



ttern> </rollingPolicy> 

      <layout class="org.apache.log4j.PatternLayout"> 

      <param name="ConversionPattern" value="%d{dd.MM.yyyy HH:mm:ss,SSS}
[%t] %c %x%n %-5p - %m%n"/> </layout>


</appender> but, still I am getting following exception: 


7202 [main] WARN net.cp.ps.sdk.server.ServerConfig - thread[main] Unable to
parse invite request mappings: [The XPath='invite-requests/invite-mapping'
does not exist] 

7214 [main] WARN net.cp.ps.sdk.server.ServerConfig - thread[main] Unable to
parse known profiles request mappings: [The
XPath='known-profiles-requests/known-profiles-mapping' does not exist] 

8114 [main] ERROR net.cp.ps.sdk.server.ServerConfig - thread[main] Missing
configuration: couldn't find value for /ps-conf/regex-whitespace-keyword 

log4j:ERROR Could not create an Appender. Reported error follows. 




at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) at
java.lang.Class.forName0(Native Method) 

at java.lang.Class.forName(Class.java:164) at


Can someone please help me with this, what's going wrong and what I am
missing here? 


Thanks in advance. 



Saurabh Agrawal 

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