log4j

dynamically creating & destroying logging appenders

I have a legacy PSVM application which I'd like to redirect its logging output to unique files per execution. So, if I invoke it at 10:00, then have it redirect it's output to {thread-id}-10:00.log; and another thread of execution may begin an execution at 10:01, and its output would go to {thread-id}-10:01.log. I understand that this i...

log4j logging to catalina.out in unix instead of log file

Hi, In my web application I am inititalizing logging in my web application by using the PropertyConfigurator.configure(filepath) function in a servlet which is loaded on startup. String log4jfile = getInitParameter("log4j-init-file"); if (log4jfile != null) { String propfile = getServletContext().getRealPath(log4jfile); ...

Disable Axis log4j logging in jboss

Hi, I have small application that is uploading pictures to another website via webservice. My current problem is, that Axis is logging the whole xml message (including the binary data of the picture!) via STDOUT and I can't seem to figure out, how to disable it. My log4j settings for jboss (jboss-log4j.xml) includes an appender for nor...

log4j directs all log output to stdout even though it's not supposed to

In my log4j.properties I have: log4j.rootLogger=DEBUG,stdout log4j.logger.notRootLogger=DEBUG,somewhereelse The appenders stdout and somewhereelse are both configured properly, stdout writes to the console and somewhereelse writes to a file. In my code in each class either I set either: static Logger log = Logger.getLogger("notRoo...

How do I turn logging off using log4j?

Hi, I am using a third-party library which has a log4j.xml configuration - what's the best way to turn off the logging? ...

Obtaining the "Receivers Companion" for Apache Log4j

Does anyone know where I can get a compiled distribution of the Receivers Companion for Log4j? The Apache project information for it is cryptically short. I've found the SVN repository, but I've had some trouble getting it to build. ...

Where is the log4j javadoc jar hiding?

It's not in apache-log4j-1.2.15.tar.gz available from the Apache website and the mirrors, and Google returns nothing. Apache Commons Lang had a javadoc jar within the tar.gz file for the release, but no luck finding the same inside the log4j tarball unfortunately. ...

Dependency among log4j appenders

I'm writing a custom log4j appender, and I want to rely on another configured appender as a fallback, in case my (Database) appender fails. How can I guarantee order of construction of the appenders? My appender's activateOptions() method tries to access another appender and fails because it's not constructed/registered yet. ...

Can two log4j fileappenders write to the same file?

Forget for a second the question of why on earth would you do such a thing - if, for whatever reason, two FileAppenders are configured with the same file - will this setup work? ...

Why chose XML over properties files for Log4J configuration?

Are there any reasons to use XML over properties files for Log4J configuration? ...

Can't set LevelRangeFilter for log4j

I am using this property file to setup log4j in Spring: log4j.appender.EMAIL=org.apache.log4j.net.SMTPAppender log4j.appender.EMAIL.filter=org.apache.log4j.varia.LevelRangeFilter log4j.appender.EMAIL.filter.levelMin=FATAL but getting: log4j:WARN Failed to set property [filter] to value "org.apache.log4j.varia.LevelRangeFilter". Any...

Configuring Java FileHandler Logging to create directories if they do not exist

I'm trying to configure the Java Logging API's FileHandler to log my server to a file within a folder in my home directory, but I don't want to have to create those directories on every machine it's running. For example in the logging.properties file I specify: java.util.logging.FileHandler java.util.logging.FileHandler.pattern=%h/app-...

How to create log file in in tomcat/logs folder

Hi all, I'm using log4j to log in application. Now the log file is created in the some location, like j:/logs/mylog.log, I want the log file mylog.log to be created in the tomcat/logs foder. How to set this? Now current log4j property is as follows log4j.appender.fileAppender=org.apache.log4j.DailyRollingFileAppender log4j.appender...

log4j:WARN No appenders could be found for logger in web.xml

I already put the log4jConfigLocation in web.xml, but still, i get warning log4j:WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader). log4j:WARN Please initialize the log4j system properly. what did i missed out? <context-param> <param-name>contextConfigLocation</param-name> <par...

How can I see Log4J output from a Java class started with Ant?

When running a Java class through Ant, I was having a lot of trouble getting Log4J output, even though the log4.properties was on the classpath. Documenting it here in case anyone else has the same problem. E.g. <java classname="Hello" fork="true"> <classpath> <fileset dir="${lib.dir}"> <include name="**/*.jar"/...

Why isn't my log4j.properties file getting used?

I have a log4j.properties file in my current directory that specifies some things to log at DEBUG level, and everything else as INFO: log4j.rootLogger=WARN, stdout log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=[%5p] %d{mm:...

java logging vs Log4j in Spring framework. Which one is the most suitable.

Hi, We are developing a web-based application in Java using the Spring framework. We are wondering which Logging system would be the most appropriate for it, whether Log4j or JUL (java.util.Logging), which is integrated with jdk. As far as I'm concerned, the former is more popular among developers and offers higher customization option...

What is the best size for a log file in LOG4J?

I have an application that runs slow. This is because of a huge amount of loggings at DEBUG and INFO levels inside the code. I have made some modifications in the code and changed the log level to WARN and it works well now. But there is only one log file (currently at 1.6GB). I want to use a RollingFileAppender to have more, smaller, ...

Tomcat6 webapp using log4j for logging, unable to log to syslog

Hello, I am trying to log my webapp logs into syslog at local4 level. Environment: Tomcat6, OpenSolaris, Struts2, log4j. Content of my log4j.properties is as follows- log4j.rootLogger=INFO, SYSLOG log4j.appender.SYSLOG=org.apache.log4j.net.SyslogAppender log4j.appender.SYSLOG.syslogHost=localhost log4j.appender.SYSLOG.layout=org.apache...

Log4j encoding problem

I configured log4j SMTPAppender to send emails to me on errors. It works, but I have problem with non ASCII data. Configuration uses HTMLLayout and their documentation states: Appenders using this layout should have their encoding set to UTF-8 or UTF-16, otherwise events containing non ASCII characters could result in corrupted log fil...