# initialise root logger with level DEBUG and call it A1 log4j.rootLogger=DEBUG, A1 # set the appender to be FileAppender log4j.appender.A1=org.apache.log4j.FileAppender # set set that layout to be SimpleLayout log4j.appender.A1.layout=org.apache.log4j.SimpleLayout
I have this in the java code:
Logger logger = Logger.getLogger(Helper.class);
PropertyConfigurator.configure("log4j.properties");I get the following exception:
java.io.FileNotFoundException: log4j.properties (No such file or directory)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:106)
at java.io.FileInputStream.<init>(FileInputStream.java:66)
at org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.j ava:297)
On Oct 28, 2004, at 4:56 PM, Ben Souther wrote:
Log4j looks on your class path for a properties file "log4j.properties". If you put the file in WEB-INF/classes it will find it.
Here's a real simple example: log4j.rootCategory=DEBUG, dest1 log4j.appender.dest1=org.apache.log4j.RollingFileAppender log4j.appender.dest1.file=/usr/local/tomcat/logs/myapp.log log4j.appender.dest1.layout=org.apache.log4j.PatternLayout log4j.appender.dest1.layout.ConversionPattern=%-5p: %m%n
On Thu, 2004-10-28 at 19:08, Mufaddal Khumri wrote:Hi,
Am new to log4j. Am using Tomcat 5 and my webapp-myNiceWebApp is in Tomcat/webapps/myNiceWebApp
I have a class that I have the following code in:
Logger logger = Logger.getLogger(Helper.class); SimpleLayout layout = new SimpleLayout(); FileAppender appender = null; try { appender = new FileAppender(layout,"output1.txt",false); } catch(Exception e) { e.printStackTrace(); } logger.addAppender(appender); logger.setLevel((Level)Level.DEBUG); logger.debug("some message");
Que 1. Where does the file output1.txt get created?
Que 2. How does log4j know where to create it and can it be controlled?
Que 3. I am going to use a configuration file either use the
DOMConfigurator or PropertyConfigurator to load the log4j properties.
Where do i place this file log4j configuration file?
Thanks,
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