So having re-done my modding setup and updated to the latest version of Intellij I can't seem to get minecraft running.

 

running either of MinecraftClient of MinecraftServer configurations results in the following error (with GradleStart replaced by GradleStartServer in MinecraftServer):

"C:\Program Files\Java\jdk1.8.0_31\bin\java" -Didea.launcher.port=7532 "-Didea.launcher.bin.path=C:\Program Files (x86)\JetBrains\IntelliJ IDEA 2016.1\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_31\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_31\jre\lib\rt.jar;C:\Program Files (x86)\JetBrains\IntelliJ IDEA 2016.1\lib\idea_rt.jar" com.intellij.rt.execution.application.AppMain GradleStart
Exception in thread "main" java.lang.ClassNotFoundException: GradleStart
at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:260)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:122)

Process finished with exit code 1

 

as far as I can tell all the relevant files exist in my libraries

 

 

 

all steps involved with setting up forge have been tried,having run setupDecompWorkspace and genIntellijRuns, also having tried --refresh-dependencies

the problem seems to be present for me with previous versions of the forge install (through old versions of minecraft), suggesting that this isn't a direct result of forge but more likely a problem with my intellij setup.

 

If anyone has any ideas on how to fix this it would be greatly appreciated

Good evening,

 

If you recently updated IntelliJ to 2016.1 version, you should follow diesieben tip !

Thanks would've taken me ages to notice that change