IntelliJ IDEA tells me “Error:java: Compilation failed: internal java compiler error idea”

Question

When I compile a Java project using IntelliJ IDEA, it gives me the following output (and error):

Information:Eclipse compiler 4.6.2 was used to compile java          


        

Answer 1

1. On Intellij IDEA Ctrl + Alt + S to open settings.
2. Build, Execution, Deployment -> Compiler -> Java Compiler
3. choose your java version from Project bytecode version
4. Uncheck Use compiler from module target JDK when possible
5. click apply and ok.