DEA runs Maven to compile project source code compile project compilation error: [ERROR] Source option 5 is no longer supported. Please use version 6 or higher. [ERROR] Target option 1.5 is no longer supported. Please use version 1.6 or higher.

1. The cause of the problem and the error picture

1. problem causes

   原因是有多个版本的jdk，导致maven不知道该用哪个

2. Error picture

   
   

2. Solution (configure pom.xml file)

• File→Settings→Maven→Runner→Select the corresponding JDK version

• 
  

• The pom.xml file is added to specify the corresponding JDK version

  <properties>
  	<maven.compiler.source>11</maven.compiler.source>
  	<maven.compiler.target>11</maven.compiler.target>
  </properties>
  

  

Summarize

Maven设置要和pom.xml配置文件指定的JDK版本要一致