Use Maven to import other springboot modules, modify the JDK and compiler of the module to 11, and run with an error:

(original JDK version of this module: 1.8, spring boot starter parent version 2.5.0 in POM file)

Solution:

Modify the version of spring boot starter parent in POM file to 2.6.7 (or other suitable version) and run successfully.

Possible causes of error:

Version mismatch……