Knowledge Drop
Last tested:
This is caused by trying to run Looker version 7.14 or earlier with a newer Java version that isn’t supported yet. Make sure the jar is Looker version 7.16+ you’re using Java 9+, or downgrade Java to JDK 8
https://docs.looker.com/setup-and-management/on-prem-install/installation?version=7.16
Example full error
NoMethodError: undefined method getURLs’ for #Java::JdkInternalLoader::ClassLoaders::AppClassLoader:0x58cda03f`
Did you mean? getClass