Mac 版本IDEA "Class JavaLaunchHelper is implemented in both /Library/Java/JavaVirtualMachie

objc[1111]: Class JavaLaunchHelper is implemented in both /Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/bin/java (0x10d6c34c0) and /Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/libinstrument.dylib (0x10d79f4e0). One of the two will be used. Which one is undefined.

Stack Overflow說這是Mac上面Java的一個老Bug了，會在那些使用了Java Agent的IDE上運行應用時觸發，但這個Error對程序是無影響的，可以無視。在Java 9和Java 1.8.152版本里已經修復了。