错误 App Engine Java 标准环境 JRE8 需要 Java 1.8

Question

I develop on mac a project in google app engine with eclipse version 12.2018 and i get error like this when i compile the project: "App Engine Java Standard Environment JRE8 requires Java 1.8"

I added JRE system library java se 1.8

the project will compile without error

Answer 1

You can check if java 1.8 is listening by going to (in eclipse):

Preferences > Java > Installed JREs

I would also recommend you to verify the file in order to know the version used:

/.settings/org.eclipse.wst.common.project.facet.core.xml