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Article:		Reporting Application Errors by Email
Subject:		Errors in sample-code for log4j
Date:		2004-09-30 05:55:24
From:		HughG

Thanks for the article, I did not know about the handy SMTPAppender before! However, under log4j 1.2.8, the sample-code won't work, and you have to include the necessary JARs or you will get NoClassDefFound-errors when trying to configure the Logger in log4j: you have to specify a class for layout-declaration: in this case, you have to add ''class="org.apache.log4j.PatternLayout" '' to the definition the same applies to the filter-definition, where you have to add '' class="org.apache.log4j.varia.LevelRangeFilter" '' to be able to use the Level-filter-settings additionally, you can specify whether to filter OUT these Levels or ONLY log these Levels by specifying an additional parameter with '' <param name="AcceptOnMatch" value="true"/> '' As for the missing JARs, these are: activation.jar (SMTPAppender creates a DataSource-instance) mail.jar (for the message-handling)

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Errors in sample-code for log4j
2004-10-11 11:57:44 Chris Adamson | [View]

These errors have been corrected in the article. Thank you for your feedback.
--Chris Adamson, "invalidname", Editor