log4j

How can I get log4j to delete old rotating log files?

How can I get log4j to delete old rotating log files? I know I can set up automated jobs (cron for UNIX and scheduled task for Windows), but I want it cross platform, and I want it in our application's log configuration as a part of our application, rather than in separate code outside in OS specific scripting languages. Our applicatio...

Spring, log4j and JBoss4

I'm running JBoss 4.2.3.GA, and have a web app that uses Spring and Log4j. I've set up Spring's Log4jConfigurer, but am having a problem since JBoss's log4j file is not on the classpath. It's at jboss.home/server/defaul/conf/jboss-log4j.xml. So, without hard-coding the path in Log4jConfigurer, how can I get Spring to use JBoss's log4j fi...

how to setup log4j to specific file for each error / warning/ info (in grails)

Hi, I am little bit confuse about log4j in grails. I need to log info into info.log, error into error.log and warning into warning.log if possible, all the files (info,warning and error) should be placed into web-app/ so that i can do check via internet (vpn) can someone help me to do that ? ...

Can eclipse monitor an arbitrary log file in the Console view?

I am launching my JBoss server in eclipse, and so standard out/err displays in the Console view. But there are other logs being generated by log4j, and so I need to be able to monitor some of those as well. Is there anyway to "tail" an arbitrary file - with the nice source code hyperlinks that the Console view provides, of course. (I am...

Restarting Log4J logging via JMX

It seems a Log4j rolling appender stopped logging because it hit the MaxBackupIndex limit. I've moved the old log files out of the way but Log4j doesn't seem to start logging again. Is there a way to restart Log4J logging via JMX? I'd like to leverage this insteaed of restarting a Tomcat instance. Thanks. ...

Eliminating unnecessary log4j setup output

I'm using log4j in an app I'm developing to eventually run inside Tomcat/JBoss, but right now I'm running it from inside Eclipse. I've configured it to write to a ConsoleAppender using a log4j.xml file and passed it as a system property, and all of my logging output works. The problem is that log4j spits out a bunch of bootstrap/startup...

how can i make log4j fileAppender correctly escape the contents of ${java.io.tmpdir}

Hi I have a log4j RollingFileAppender configured like this <appender name="fileAppender" class="org.apache.log4j.RollingFileAppender"> <param name="MaxBackupIndex" value="10" /> <param name="File" value="${java.io.tmpdir}\\myLogFile.log" /> </appender> my problem is that java.io.tmpdir is mapped to C:\Temp and log4j does not e...

How to initialize log4j properly?

After adding log4j to my application I get the following output every time I execute my application: log4j:WARN No appenders could be found for logger (slideselector.facedata.FaceDataParser). log4j:WARN Please initialize the log4j system properly. It seems this means a configuration file is missing. Where should this config file be l...

Why does log4j disable stack trace after (lots of) repetition of the same exception?

At one of our customer installations we had thousands of occurrences of the same exception. After a lot of well logged stacktraces (9332) the occurrence of the exception is still logged, but without stacktrace. After restarting the java process, the same thing: This time we had 17858 stacktraces and then only the exception occurrence its...

In memory 'list appender' for log4j

Is there an appender for log4j that only stores a list of the logging events (to be used in unit tests, to verify no error logs were written) ? ...

How to handle remote monitoring of log4j ?

I´ve been using chainsaw to remotely monitor an application that use log4j. I´m wondering if there are better ways to do it, or perhaps another logging framework. ...

log4j in grails : how to log into file ?

hi, I have this log4j configuration in my grails config.groovy log4j = { error 'org.codehaus.groovy.grails.web.servlet', // controllers 'org.codehaus.groovy.grails.web.pages' // GSP warn 'org.mortbay.log' appenders { rollingFile name:'infoLog', file:'info.log', threshold: org.apache.log4j....

How do I setup log4j properties so that each thread outputs to its own log file?

Hello all, I have multiple instances of a thread class running at any given time. I have log4j setup to be used for logging needs. I need a way to setup log4j so that every instance of my thread class outputs its log in a different log file. Here is what I have done ( in pseudo code) public class doSomething extends Thread { pri...

Are there logging frameworks or well-known design patterns for Ada in addition to Alog (http://www.nongnu.org/alog/)?

Such as something similar to log4j? ...

Log4j Maxfilesize

Hi, Problem i have with log4j is that when i specify maxfilesize it works properly for the files generated in the src folder of project, but the log files generated in tomcat bin, are not splited into seperate files and then i have a large log file which is not desirable. The following is log4j.xml: <?xml version="1.0" encoding="UTF-...

log4j redirect stdout to DailyRollingFileAppender

I have a java app that uses log4j. Config: log4j.rootLogger=info, file log4j.appender.file=org.apache.log4j.DailyRollingFileAppender log4j.appender.file.File=${user.home}/logs/app.log log4j.appender.file.layout=org.apache.log4j.PatternLayout log4j.appender.file.layout.ConversionPattern=%d [%t] %c %p %m%n So all the log statements a...

How do I adjust log4j levels at runtime?

I have a simple web app running on Tomcat 5.5 with log4j for logging. Occasionally I need to push the logging down to DEBUG but most of the time I'm happy with INFO. I can change my config xml and restart the app but I would prefer to switch the log levels on the fly. Is there a standard technique for this? ...

Log4J rerouting of Log Events

I would like to build an Appender (or something similar) that inspects Events and on certain conditions creates logs new Events. An example would be and Escalating Appender that checks if a certain amount of identical Events get logged and if so logs the Event with a higher logleve. So you could define something like: If you get more th...

Apache Ant JAR Task: not finding properties.

Hey guys, How exactly should I specify the location of all the properties files inside the ant manifest? My jar is not working because it can't find the log4j, Spring, etc properties. These files are all contained within a folder called "server-config" that sits at the same level as the source code, ie: META-INF com server-config ...

Junk from vendor libraries flooding log4j

How can I best prevent these libraries from flooding my own apps log4j bus? I do not want to set everything to ERROR, but at this rate the vendor library is flooding up the log file at a rate of about a gig/day. I do not want it to log anything to this file... ...