The maven project reports an error java: Source option 6 is no longer supported. Please use version 8 or higher.

My mistake

java: Source option 6 is no longer supported. Please use version 8 or higher.

my environment

IDEA 2023.1.2

jdk 20

maven 3.9.3

Solution

Change the properties section in the pom.xml file to the following (20 is the jdk version)

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
    <java.version>20</java.version>
    <maven.compiler.source>20</maven.compiler.source>
    <maven.compiler.target>20</maven.compiler.target>
  </properties>