Thursday January 30, 2003
Thursday January 30, 2003
How To: Configure Log4j to notify you of errors
A couple of weeks ago, I mentioned that I was interested in using Log4j's SMTPAppender to e-mail me messages when errors occured in my webapp. I discovered how easy it is a couple of days ago. Here's how to configure it.
1. Add mail to the log4j.rootCategory in log4j.properties: log4j.rootCategory=INFO, stdout, mail
2. Add the following configuration settings to log4j.properties:
# Configuration for receiving e-mails when ERROR messages occur.
log4j.appender.mail=org.apache.log4j.net.SMTPAppender
log4j.appender.mail.To=@ERROR-MAILTO@
log4j.appender.mail.From=@ERROR-MAILFROM@
log4j.appender.mail.SMTPHost=@ERROR-MAILHOST@
log4j.appender.mail.Threshold=ERROR
log4j.appender.mail.BufferSize=1
log4j.appender.mail.Subject=CCT Application Error
log4j.appender.mail.layout=org.apache.log4j.PatternLayout
log4j.appender.mail.layout.ConversionPattern=%p [%t] %C{1}.%M(%L) | %m%n
One question I have is that the ConversionPattern is kinda funky - where the line breaks don't seem to be carried into the e-mail (from exception.printStackTrace()). Any suggestions for a better configuration are appreciated. The To, From, and SMTPHost are all replaced with values from Ant during the build process.
Posted in Java
at Jan 30 2003, 06:25:43 AM MST
5 Comments
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