O2O: logback tutorial

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Logback

Description

Logback is a log module.
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logger, appender, layout are tags of logback

Configuration

  1. Create a logback.xml in resources package

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  1. Defines some properties of the logback configuration.

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  1. Defines the appenders.

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Info, Error is the same as Debug.
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  1. Defines the logger

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Debug: We should change all MaxHistory to maxHistory in the appenders.
Debug: We should change all append-ref to appender-ref in the appenders.

Practice

  1. Initialize a Logger instance in the AreaController.

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  1. Add some test info statements in the function.

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  1. Check the console and the file.
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Here we can search catalina.base to get to the directory of our log files.
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