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List of contents of this article:

• 1,Binance Download for PCWhich log frameworks does springboot support
• 2, Where should the java program add logs
• 3, Understood the design and implementation of Java log system framework

sprin Which log frameworks does gboot support

1. As introduced earlier, the default log framework used by Spring Boot is Apache Commons Logging. In Spring x (i.e. Spring Boot x), we need to import dependencies manually.

2. The default integrated log system of SpringBoot is LogBaCk, logBack is introduced with spring-boot-starter-logging, as shown in the figure: Of course, SpringBoot also supports Log4j2. You just need to remove the dependence of logback and introduce Log4j2.

3. Specify the configuration. Place each log frame's own configuration file to the class path, and SpringBoot will not use the default configuration.

4. There are also two very important strategies in the SpringBoot framework: out-of-the-box and agreement is better than configuration. Out-of-the-box, Outofbox, refers to the development process, by adding relevant dependency packages to the pom file of the MAVEN project, and then using corresponding annotations to replace the tedious XML configuration file to manage the life cycle of the object.

where should the java program add logs

asynchronous thread writes to the log, so that It will neither affect the business code nor the system performance. For example, if you add the logging method directly in the main thread, if the writing is relatively slow, it will even cause the user to delay the use of normal functions and cause a page request timeout.

For example, if the INFO level is defined here, all DEBUG-level log information in the application will not be printed out. appenderName: It is to specify where the log information is output. You can specify multiple output destinations at the same time.

Define the configuration file. First of all, using the configuration file will make our application more flexible to configure the log log output method, including output priority, output destination and output format. Log4j supports two configuration file formats, one is an XML format file, and the other is a Java feature file log4j.properties (key = value).

To record the operation log and view it, you definitely need to save the operation record - just save it directly to the database.For the log management module, because there is a log record above, it should be easy to do the function of deleting and checking. I won't go into details about this piece. The most important thing: how to record the log.

Understand the design and implementation of the Java log system framework

Java log framework This set of courses is for friends with Java foundation, from shallow to deep to explain each Knowledge points and programming ideas, the system is complete to help friends establish a complete Java log system knowledge system and high-performance log framework selection.

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At the legal level, logs are also important electronic evidence. Advanced logging, monitoring and auditing means can help customers effectively reduce the problems of information destruction and information leakage, and play a certain deterrent role on illegal acts. If you want to know more information about java development, it is recommended to consult Qianfeng Education.