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Please help. Mac Launcher Issues



Ho guys. Ive been trying to install this for days. I have JDK 8 and JRE 9 and the most recent mac os java installed and have my firewall off. I then download the launcher and open the file. i then get the logo come up with the install load bar for about 1 second and then it changes to only the logo and freezes forever. Please help. Thanks

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Hi guys,

I encounter the very same issue. Attached you can find the logs (java.lang.IllegalArgumentException: object is not an instance of declaring class)

Thanks a lot!

[B#353] 2017/10/07 12:48:16 [INFO] OS: mac os x
[B#353] 2017/10/07 12:48:16 [INFO] Identified as osx
[B#353] 2017/10/07 12:48:16 [SEVERE] java.lang.IllegalArgumentException: object is not an instance of declaring class
[B#353] 2017/10/07 12:48:16 [SEVERE] 	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[B#353] 2017/10/07 12:48:16 [SEVERE] 	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
[B#353] 2017/10/07 12:48:16 [SEVERE] 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
[B#353] 2017/10/07 12:48:16 [SEVERE] 	at java.base/java.lang.reflect.Method.invoke(Unknown Source)
[B#353] 2017/10/07 12:48:16 [SEVERE] 	at net.technicpack.launcher.LauncherMain.startLauncher(LauncherMain.java:299)
[B#353] 2017/10/07 12:48:16 [SEVERE] 	at net.technicpack.launcher.LauncherMain.main(LauncherMain.java:194)
[B#353] 2017/10/07 12:48:16 [SEVERE] Unhandled Exception in Thread[main,5,main]
java.lang.IllegalArgumentException: object is not an instance of declaring class
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.base/java.lang.reflect.Method.invoke(Unknown Source)
	at net.technicpack.launcher.LauncherMain.startLauncher(LauncherMain.java:299)
	at net.technicpack.launcher.LauncherMain.main(LauncherMain.java:194)


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