Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
VÂ  [jvm.dll+0x1aa78b]
VÂ  [jvm.dll+0x1a2fd8]
VÂ  [jvm.dll+0x5ed84]
VÂ  [jvm.dll+0x5fa08]
VÂ  [jvm.dll+0x68641]
VÂ  [jvm.dll+0x2bbc56]
VÂ  [jvm.dll+0x2bbd24]
v  ~RuntimeStub::handle_exception_from_callee Runtime1 stub
J 1401 C1 com.jme3.util.ReflectionAllocator.allocate(I)Ljava/nio/ByteBuffer; (5 bytes)
J 2342 C1 com.jme3.util.BufferUtils.ensureLargeEnough(Ljava/nio/FloatBuffer;I)Ljava/nio/FloatBuffer; (70 bytes)
J 4017 C1 com.jme3.font.BitmapTextPage.assemble(Lcom/jme3/font/Letters;)V (489 bytes)
J 2343 C1 com.jme3.font.BitmapText.assemble()V (43 bytes)
J 3390 C1 com.jme3.font.BitmapText.getLineWidth()F (46 bytes)
J 3475 C1 de.jiw.gui.elements.Label.updateTextSize()V (340 bytes)
J 3532 C1 de.jiw.gui.elements.Label.refresh()V (9 bytes)
J 3463 C1 de.jiw.gui.core.Element.setSize(FFZ)V (97 bytes)
J 4286 C1 de.jiw.gui.elements.ElementSet.revalidate()V (724 bytes)
j  de.jiw.gui.elements.ElementSet.insert(ILde/jiw/gui/core/Element;)V+59
j  de.jiw.gui.elements.ElementSet.insert(Lde/jiw/gui/core/Element;)V+3
j  L.H.updateTickEvent(F)V+158
J 2630 C1 de.jiw.gui.core.Element.transferUpdateTick(F)V (72 bytes)
J 3015 C1 de.jiw.gui.core.Screen.update(F)V (215 bytes)
J 2494 C1 com.jme3.scene.Spatial.runControlUpdate(F)V (55 bytes)
J 2477 C1 com.jme3.scene.Node.updateLogicalState(F)V (55 bytes)
J 2477 C1 com.jme3.scene.Node.updateLogicalState(F)V (55 bytes)
j  commons.JIWApplication.update()V+188
j  com.jme3.system.lwjgl.LwjglAbstractDisplay.runLoop()V+22
j  com.jme3.system.lwjgl.LwjglDisplay.runLoop()V+104
j  com.jme3.system.lwjgl.LwjglAbstractDisplay.run()V+136
j  java.lang.Thread.run()V+11
v  ~StubRoutines::call_stub
VÂ  [jvm.dll+0x15af45]
VÂ  [jvm.dll+0x2213ae]
VÂ  [jvm.dll+0x15afde]
VÂ  [jvm.dll+0x15b166]
VÂ  [jvm.dll+0x15b1d7]
VÂ  [jvm.dll+0xff36f]
VÂ  [jvm.dll+0x17dc30]
VÂ  [jvm.dll+0x17e4aa]
VÂ  [jvm.dll+0x1c2ec6]
CÂ  [msvcr100.dll+0x5c556]
CÂ  [msvcr100.dll+0x5c600]
CÂ  [kernel32.dll+0x4ef8c]
CÂ  [ntdll.dll+0x6367a]
CÂ  [ntdll.dll+0x6364d]
CÂ  0x00000000
Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
v  ~RuntimeStub::handle_exception_from_callee Runtime1 stub
J 1401 C1 com.jme3.util.ReflectionAllocator.allocate(I)Ljava/nio/ByteBuffer; (5 bytes)
J 2342 C1 com.jme3.util.BufferUtils.ensureLargeEnough(Ljava/nio/FloatBuffer;I)Ljava/nio/FloatBuffer; (70 bytes)
J 4017 C1 com.jme3.font.BitmapTextPage.assemble(Lcom/jme3/font/Letters;)V (489 bytes)
J 2343 C1 com.jme3.font.BitmapText.assemble()V (43 bytes)
J 3390 C1 com.jme3.font.BitmapText.getLineWidth()F (46 bytes)
J 3475 C1 de.jiw.gui.elements.Label.updateTextSize()V (340 bytes)
J 3532 C1 de.jiw.gui.elements.Label.refresh()V (9 bytes)
J 3463 C1 de.jiw.gui.core.Element.setSize(FFZ)V (97 bytes)
J 4286 C1 de.jiw.gui.elements.ElementSet.revalidate()V (724 bytes)
j  de.jiw.gui.elements.ElementSet.insert(ILde/jiw/gui/core/Element;)V+59
j  de.jiw.gui.elements.ElementSet.insert(Lde/jiw/gui/core/Element;)V+3
j  L.H.updateTickEvent(F)V+158
J 2630 C1 de.jiw.gui.core.Element.transferUpdateTick(F)V (72 bytes)
J 3015 C1 de.jiw.gui.core.Screen.update(F)V (215 bytes)
J 2494 C1 com.jme3.scene.Spatial.runControlUpdate(F)V (55 bytes)
J 2477 C1 com.jme3.scene.Node.updateLogicalState(F)V (55 bytes)
J 2477 C1 com.jme3.scene.Node.updateLogicalState(F)V (55 bytes)
j  commons.JIWApplication.update()V+188
j  com.jme3.system.lwjgl.LwjglAbstractDisplay.runLoop()V+22
j  com.jme3.system.lwjgl.LwjglDisplay.runLoop()V+104
j  com.jme3.system.lwjgl.LwjglAbstractDisplay.run()V+136
j  java.lang.Thread.run()V+11
v  ~StubRoutines::call_stub
i hope this helps