web.xml deployment descriptors. Servlet version 2.3, 2.4, 2.5, 3.0 and 3.1.

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How to configure Tomcat with Eclipse. Simple steps to configure Tomcat working within Eclipse IDE.

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How to fix Cannot change version of project facet Dynamic Web Module to 3.1 Error in Eclipse. 5 simple steps.

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This tutorial presents log4j 1.2.x basic examples. How to log a message and an exception.

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Log4j Logging Levels explained. For the standard levels, this is the order: ALL

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How to send emails using JavaMail. Simple example using a gmail account and proxy settings if needed.

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