intellij idea - Could not determine java version from '10.0.2' while starting Grails 3.3.8 application

Question

I just installed Grails 3.3.8 but when I'm trying to run a sample application I got the below error :

Error |
Error initializing classpath: Could not determine java version from '10.0.2'.
java.lang.IllegalArgumentException: Could not determine java version from '10.0.2'.
at org.gradle.api.JavaVersion.toVersion(JavaVersion.java:68)
at org.gradle.api.JavaVersion.current(JavaVersion.java:78)
at org.gradle.internal.jvm.UnsupportedJavaRuntimeException.assertUsingVersion(UnsupportedJavaRuntimeException.java:29)
at org.gradle.tooling.internal.consumer.ConnectorServices.checkJavaVersion(ConnectorServices.java:66)
at org.gradle.tooling.internal.consumer.ConnectorServices.close(ConnectorServices.java:53)
at org.gradle.tooling.internal.consumer.DefaultGradleConnector.close(DefaultGradleConnector.java:57)
at org.grails.cli.gradle.cache.CachedGradleOperation.call(CachedGradleOperation.groovy:78)
at org.grails.cli.GrailsCli.populateContextLoader(GrailsCli.groovy:526)
at org.grails.cli.GrailsCli.initializeProfile(GrailsCli.groovy:509)
at org.grails.cli.GrailsCli.initializeApplication(GrailsCli.groovy:307)
at org.grails.cli.GrailsCli.execute(GrailsCli.groovy:270)
at org.grails.cli.GrailsCli.main(GrailsCli.groovy:159)

Error |
 Error initializing classpath: Could not determine java version from '10.0.2'.

Process finished with exit code 1

my java version is java version "10.0.2" 2018-07-17, Windows 10 64bit, the JAVA_HOME was already set and using intellj

Answer 1

Grails 3.3.8 does not support Java 10. You will have to use Java 7 or Java 8 if you want to use Grails 3.3.8.