错误信息：
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APPLICATION FAILED TO START
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Description:
Failed to bind properties under 'spring.datasource' to javax.sql.DataSource:
Property: spring.datasource.filters
Value: stat,wall,log4j
Origin: class path resource [application.yml]:24:14
Reason: org.apache.log4j.Logger
Action:
Update your application's configuration
看报错原因Reason: org.apache.log4j.Logger，于是猜想少了log4j的相关依赖，在pom中引入相关依赖
<dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency>