|
|
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! W; ]* o1 z- \3 [$ R
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 `4 i- c$ \% A! N, q7 Y
% Z {/ ~. ]% Z w4 l: @9 f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
; _8 u& N8 ~+ ]' S: e9 C C3 E; p/ `3 D$ Y
感谢感谢
. B; U- Y! I9 U0 ]5 ?6 y错误如下：
' h Z$ n6 K. [
: K' } i8 }: R* s: Q% c4 w7 gException in thread "Thread-4" javax.media.opengl.GLException: java.lang.NullPointerException
7 P5 i! |6 v: `8 L: m* q- z& R0 b+ H+ Q at javax.media.opengl.Threading.invokeOnOpenGLThread(Threading.java:271)
$ k0 P1 }5 D% ]( j3 [ at javax.media.opengl.GLCanvas.maybeDoSingleThreadedWorkaround(GLCanvas.java:410)( o3 [; J) P4 Y( L4 i% F, n. v5 ^
at javax.media.opengl.GLCanvas.display(GLCanvas.java:244) P/ h: b, Y2 o
at saf.v3d.Canvas2D.update(Canvas2D.java:113)( l; N! ]$ a/ d u& h
at repast.simphony.visualizationOGL2D.DisplayOGL2D.setPause(DisplayOGL2D.java:358)
% C) i! h. p7 x; b0 k7 J4 V% B at repast.simphony.render.RendererManager.setPause(RendererManager.java:57)3 @# p# Z4 E% `, J6 C$ U
at repast.simphony.ui.GUIScheduleRunner$ScheduleLoopRunnable.run(GUIScheduleRunner.java:46)' n9 W+ U" _1 p- L
at java.lang.Thread.run(Unknown Source)
' T( D5 ]& w1 J: q9 TCaused by: java.lang.NullPointerException8 @% A" v) R5 P+ |# q- l" c' I
at saf.v3d.scene.VEdge2D.doGetBoundingSphere(VEdge2D.java:130)/ P d- I! G- c; D) Q
at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)
6 b5 Q+ j" ^, A9 ~5 K/ G at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)
0 m( ^' T4 o) e8 L0 L. V at saf.v3d.scene.VRoot.doGetBoundingSphere(VRoot.java:56)
4 Z0 ]0 C3 p+ c9 [8 O+ q$ W at saf.v3d.scene.VSpatial.getBoundingSphere(VSpatial.java:439)
6 L% p" A g7 ?; O at saf.v3d.scene.Camera.resetAndCenter(Camera.java:58)
8 [4 H# F! T3 V: {/ m, G7 _3 I at saf.v3d.Canvas2D.centerScene(Canvas2D.java:273)
( l; s1 X* q$ a+ |& u* j at saf.v3d.Canvas2D.reshape(Canvas2D.java:302)
) H' n9 G- u7 {7 _ at com.sun.opengl.impl.GLDrawableHelper.reshape(GLDrawableHelper.java:85)! @* R H9 C: |3 z% L0 A; S' {
at javax.media.opengl.GLCanvas$DisplayAction.run(GLCanvas.java:431)
2 j5 a! P/ |. T- }1 u at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:194)
8 [8 A( a: B6 P: O9 D$ B' K$ y at javax.media.opengl.GLCanvas$DisplayOnEventDispatchThreadAction.run(GLCanvas.java:452)
4 q. c; r# j* ~) M2 Z( j) _ at java.awt.event.InvocationEvent.dispatch(Unknown Source)
" K( g# c+ q( S: `/ X& } at java.awt.EventQueue.dispatchEvent(Unknown Source)" S) c* S5 f$ a1 o
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)2 P, u! W$ Z! Z) [8 D
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
1 {. a" B; X$ Z* T; l at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)# ?2 q3 [ x1 @8 Y" d# t H2 j
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
) C) A1 @/ `5 q0 W# \2 {' b# F9 Y7 J6 b at java.awt.EventDispatchThread.pumpEvents(Unknown Source)% G0 S1 \& e- [' S' |9 M5 I
at java.awt.EventDispatchThread.run(Unknown Source) |
|
发表于 2011-8-14 15:50:58
