Question Trying to set up IntelliJ on Mac

Currently trying to setup in IntelliJ. I've followed a couple of tutorials and tried searching other forums for answers, but to no avail. I've gotten all the way through (added library from RuneMate.jar), but the console is telling me this:

Spoiler: Console

[Debug] Java Home: /Library/Java/JavaVirtualMachines/jdk1.8.0_121.jdk/Contents/Home/jre
[Debug] Java Version: 8u121 x64 (Oracle Corporation)
[Debug] RuneMate Version: 2.5.0
[Debug] Operating System: Mac OS X x64
Exception in Application start method
Exception in thread "JavaFX Application Thread" java.lang.NullPointerException
at nul.iiiiiIiiiIiI.float(ena:11815)
at com.sun.javafx.application.PlatformImpl.lambda$null$173(PlatformImpl.java:295)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl.lambda$runLater$174(PlatformImpl.java:294)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
Exception in thread "main" java.lang.RuntimeException: Exception in Application start method
at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:917)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication$155(LauncherImpl.java:182)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoSuchMethodError: sun.jvmstat.perfdata.monitor.CountedTimerTaskUtils.this(Ljava/lang/StringLjava/lang/String;
at nul.IIIiiiIIiiiI.<clinit>(uub:216)
at nul.iIIIIiIiIiiI.this(uub:13884)
at nul.iiiiiiIiIIIi.<init>(fu:303)
at nul.IIiIiiIiiiII.<init>(fu:21694)
at nul.iIIIIiIiIiiI.this(uub:11149)
at nul.IiiiIIiIIIii.<init>(npb:180)
at nul.IiiIiIiiiIII.<clinit>(bqb:162)
at nul.iiIiiIiiIiii.<clinit>(spa:218)
at nul.iiiiiIiiiIiI.initialize(ena:16218)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2548)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2441)
at javafx.fxml.FXMLLoader.load(FXMLLoader.java:2409)
at nul.iIiiiIiIIiII.this(mma:144)
at nul.iIiiiIiIIiII.<init>(mma:79)
at nul.iIiiiIiIIiII.<init>(mma:155)
at nul.iiiiiIiiiIiI.<init>(ena:32)
at nul.iiiiiIiiiIiI.this(ena:15828)
at com.runemate.boot.Boot.start(gmb:100)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$162(LauncherImpl.java:863)
at com.sun.javafx.application.PlatformImpl.lambda$runAndWait$175(PlatformImpl.java:326)
at com.sun.javafx.application.PlatformImpl.lambda$null$173(PlatformImpl.java:295)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl.lambda$runLater$174(PlatformImpl.java:294)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
java.lang.NoSuchMethodError: com.sun.tools.attach.AttachPermission.this(Ljava/lang/StringLjava/lang/String;
at nul.iIIiIIiIIiIi.<clinit>(dma:130)
at nul.iiiiIIiIIiii.<clinit>(dna:199)
at nul.IIiiiIiiiIIi.run(lua:223)
Exception in thread "RMShutdownHook" java.lang.NoSuchMethodError: com.sun.tools.attach.AttachOperationFailedException.this(Ljava/lang/StringLjava/lang/String;
at nul.IIiiiIiiiIIi.run(lua:176)

Process finished with exit code 0

Also here are my Configuration Settings:

Spoiler: Config

2017-03-18_1415

--- Double Post Merged, Mar 18, 2017, Original Post Date: Mar 17, 2017 ---

UPDATE and FIX: Added "/jre" to the end of my JRE configuration so it's now "*/Contents/Home/jre"