|
|
最近在用repast s 建模做供应链管理的问题，对于repast s 中网络结构的使用很不了解+ p, v# n6 v. w: ?7 ?9 T
写完代码之后编译出现错误，应该是显示方面的错误，我实在弄不懂5 x: l8 q$ S, F8 K- |
0 }2 y0 B% {$ `) `; q有没有哪位牛人帮我看看错误，或者给我个适用network结构的demo让我学习下
0 E; ]8 i0 _1 R
* [% q" U: t. C! K感谢感谢
9 q# g2 ^: B+ F错误如下：6 X4 f# E. ?+ S d; _- F5 {
! h% e" |4 i5 @8 `- F+ t. N& sException in thread "Thread-4" javax.media.opengl.GLException: java.lang.NullPointerException- W4 k# J/ Y R! `
at javax.media.opengl.Threading.invokeOnOpenGLThread(Threading.java:271)
. V* S, m l4 ~- ? at javax.media.opengl.GLCanvas.maybeDoSingleThreadedWorkaround(GLCanvas.java:410): r5 r- L' S' m
at javax.media.opengl.GLCanvas.display(GLCanvas.java:244)8 D7 W0 [. E t9 W$ ^- M5 I+ y
at saf.v3d.Canvas2D.update(Canvas2D.java:113)5 y) R4 k- B$ H/ z
at repast.simphony.visualizationOGL2D.DisplayOGL2D.setPause(DisplayOGL2D.java:358)
* C m$ v3 q( A$ E ]6 {# { at repast.simphony.render.RendererManager.setPause(RendererManager.java:57)/ W' }1 T* I, L) F& P& Z) B
at repast.simphony.ui.GUIScheduleRunner$ScheduleLoopRunnable.run(GUIScheduleRunner.java:46)' U6 t6 I( i5 F8 D8 ?; J: ]5 u6 J
at java.lang.Thread.run(Unknown Source): u" ^2 N" n/ E4 [. X& H
Caused by: java.lang.NullPointerException
& y1 a% H& ~2 k& ^% G) Q at saf.v3d.scene.VEdge2D.doGetBoundingSphere(VEdge2D.java:130)- G: O3 [/ Q3 O. o! o0 p
at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)" o, }- R0 `& j3 Q; B! |
at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)1 e8 l( b% v, Y l k" a
at saf.v3d.scene.VRoot.doGetBoundingSphere(VRoot.java:56)
7 w) [" S K) Q6 b at saf.v3d.scene.VSpatial.getBoundingSphere(VSpatial.java:439)
; g3 u4 C% ^' b$ g, X. w2 k at saf.v3d.scene.Camera.resetAndCenter(Camera.java:58)
6 S8 W7 J( o4 p0 \7 M5 L! ` at saf.v3d.Canvas2D.centerScene(Canvas2D.java:273)4 J1 t0 H* C2 N0 }& ?2 O" {
at saf.v3d.Canvas2D.reshape(Canvas2D.java:302)
5 h+ v: a6 c& J6 m q a7 K c at com.sun.opengl.impl.GLDrawableHelper.reshape(GLDrawableHelper.java:85)
/ p( |9 y6 [% F; _; |* ~7 e at javax.media.opengl.GLCanvas$DisplayAction.run(GLCanvas.java:431)
z, X0 R0 k b# @ at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:194): [7 A/ L) j4 ]/ n
at javax.media.opengl.GLCanvas$DisplayOnEventDispatchThreadAction.run(GLCanvas.java:452)# Y( |2 i8 [1 h: }
at java.awt.event.InvocationEvent.dispatch(Unknown Source); [/ N1 D' {# m
at java.awt.EventQueue.dispatchEvent(Unknown Source)
9 c- H- |. |; L3 o: Q at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)( u8 ~2 l0 q/ t3 U
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)4 x2 Q8 D( T2 k. n- q
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
+ g1 \# g$ {3 C! \7 |+ j! v at java.awt.EventDispatchThread.pumpEvents(Unknown Source)* S/ c O/ {& p- O3 W
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)+ g: Q _$ T2 O! B" G
at java.awt.EventDispatchThread.run(Unknown Source) |
|
发表于 2011-8-14 15:50:58
