Error content:

information:using javac 1.8.0_ 73 to compile Java sources
information:java: javactask: source release 1.8 requires target release 1.8
information:java: errors occurred while compiling module 'ezsonar'
information:module "ezsonar" was fully rebuilt due to project configuration/dependencies changes
Information:2016/11/21 14:08 - Compilation completed with 1 error and 0 warnings in 5s 242ms
Error:java: Compilation failed: internal java compiler error

Error reporting diagram:

Solution:

If it is not the same as the one in the figure, click the one on the right to add the module of your project and select the corresponding version of JDK required by your project. Just compile it again.