What server do you use? This should be part of your server documentation, but
if it's Weblogic I might be able to tell you. But that also depends on the
server version.
Jake
On Tue, 20 Jul 2010 00:00:37 +0530
"Saurabh Agrawal" <saurabh.agra...@criticalpath.net> wrote:
Dear Jake,
Thanks for replying this query.
Could you please tell me how to configure the application to use child-first
classloading?
Regards,
Saurabh Agrawal
-----Original Message-----
From: Jacob Kjome [mailto:h...@visi.com]
Sent: Monday, July 19, 2010 10:54 PM
To: Log4J Users List; saurabh.agra...@criticalpath.net
Subject: Re: Cannot configure apache-log4j-extras-1.0 with apache-log4j-1
for time based log rotation
My guess is that you have classloading issues. What server are you using?
I'll bet it is not configured to use child-first (a.k.a parent-last)
classloading and that the server has a copy of log4j.jar in the server
classpath.
In this situation, the log4j.jar in the server classpath would take
precedence to any log4j.jar you included in WEB-INF/lib and be unable to
find the rolling.RollingFileAppender located in the extras jar stored in
WEB-INF/lib.
You can resolve this either by placing the extras jar in the server
classpath alongside the log4j.jar already there or configure your
application to use child-first classloading.
Jake
On Mon, 19 Jul 2010 22:27:11 +0530
"Saurabh Agrawal" <saurabh.agra...@criticalpath.net> wrote:
Hi Friends,
Tomcat version: apache-tomcat-5.5.27
Operating System: SunOS 10.0 / Linux
Problem:
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: (
<https://wiki.jasig.org/display/UPM30/log4j.xml>
https://wiki.jasig.org/display/UPM30/log4j.xml).
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"
class="org.apache.log4j.rolling.RollingFileAppender">
<File>WEB-INF/log-files/access.log</File>
<rollingPolicy
class="org.apache.log4j.rolling.TimeBasedRollingPolicy">
<FileNamePattern>WEB-INF/log-files/access.log.%d{yyyy-MM-dd}.log</File
NamePa
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.
java.lang.ClassNotFoundException:
org.apache.log4j.rolling.RollingFileAppender
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoad
er.jav
a:1386)
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoad
er.jav
a:1232)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) at
java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:164) at
org.apache.log4j.helpers.Loader.loadClass(Loader.java:160)
Can someone please help me with this, what's going wrong and what I am
missing here?
Thanks in advance.
Regards,
Saurabh Agrawal
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