Hi!
The same thing to me... I'm Running Windows 7 and latest version of Spine
The Program Crashes when I try to change the alpha of an image, unexpectedly close it.
This is the error data:
Spine Launcher 2.2.01
Windows 7 x86 6.1
Java 1.7.0-u6-unofficial Oracle Corporation
OpenJDK Server VM
WARNING: Not using the Java bundled with Spine.
Launching: 2.1.12
Spine 2.1.12 Essential, LWJGL
Licensed to: *****, *****
ATI Technologies Inc.
AMD Radeon HD 6800 Series
4.3.12618 Compatibility Profile Context 13.251.0.0
Started.
Automatic backup complete.
Automatic backup complete.
An unexpected error has occurred:
java.lang.NullPointerException
at com.badlogic.gdx.scenes.scene2d.ui.Slider.g(SourceFile:115)
at fl.a(SourceFile:67)
at eq.a(SourceFile:55)
at ek.a(SourceFile:181)
at ek.a(SourceFile:146)
at es.a(SourceFile:277)
at o.a(SourceFile:90)
at av.e(SourceFile:303)
at ah.run(SourceFile:231)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:711)
at java.awt.EventQueue.access$000(EventQueue.java:104)
at java.awt.EventQueue$3.run(EventQueue.java:672)
at java.awt.EventQueue$3.run(EventQueue.java:670)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:681)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:244)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:147)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:139)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:97)
