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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7 x$ P6 j+ {# m
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
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: e+ e3 j" q; u9 `. X5 |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
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感谢感谢2 i' u; v$ t% V: \' ]$ O* w
错误如下：
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( y' N1 `( d I, Z3 [* b BException in thread "Thread-4" javax.media.opengl.GLException: java.lang.NullPointerException
9 N) R% M) |" t at javax.media.opengl.Threading.invokeOnOpenGLThread(Threading.java:271)
; U$ }! _8 c% j J5 s! }% L3 T1 C at javax.media.opengl.GLCanvas.maybeDoSingleThreadedWorkaround(GLCanvas.java:410)1 P7 Q& z) h. S6 I. J/ R+ }, }% W
at javax.media.opengl.GLCanvas.display(GLCanvas.java:244)" D4 y6 V0 ?+ t$ }7 I% {% E- B; |) C
at saf.v3d.Canvas2D.update(Canvas2D.java:113)
6 M7 ?% |3 i0 F; Z0 d at repast.simphony.visualizationOGL2D.DisplayOGL2D.setPause(DisplayOGL2D.java:358)% Y2 e4 Z' i5 C4 Q* V
at repast.simphony.render.RendererManager.setPause(RendererManager.java:57)' u: q2 N4 _/ S" a- F7 f' ^
at repast.simphony.ui.GUIScheduleRunner$ScheduleLoopRunnable.run(GUIScheduleRunner.java:46)
2 I$ V J' n5 P/ a0 B; z+ H at java.lang.Thread.run(Unknown Source)
1 c: ~& p7 x1 S' {5 y3 `Caused by: java.lang.NullPointerException9 z3 L& Y, F: w4 _: g: V- g. T! v2 x
at saf.v3d.scene.VEdge2D.doGetBoundingSphere(VEdge2D.java:130)7 n8 h3 g9 H6 l
at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)
% U* D; o$ A$ q0 q at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)3 h2 |. G. O: H) p2 F, z4 ?$ L S
at saf.v3d.scene.VRoot.doGetBoundingSphere(VRoot.java:56)! G8 k7 P4 {) Q* x6 N9 |+ x& j
at saf.v3d.scene.VSpatial.getBoundingSphere(VSpatial.java:439)
j1 ~! l2 D" Q6 I at saf.v3d.scene.Camera.resetAndCenter(Camera.java:58)6 [3 C* O. f* U! o3 A' O
at saf.v3d.Canvas2D.centerScene(Canvas2D.java:273)' S2 J2 ?" q% |( |6 g* Q" q K$ a
at saf.v3d.Canvas2D.reshape(Canvas2D.java:302)
* b' a' h2 [1 U4 p- Q( u& b% ^: s at com.sun.opengl.impl.GLDrawableHelper.reshape(GLDrawableHelper.java:85)* k' [$ k! x' T9 Y
at javax.media.opengl.GLCanvas$DisplayAction.run(GLCanvas.java:431)
1 g l1 ?2 u* y9 t at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:194)
0 r7 a: M; E, Y7 i2 a! Q$ ~. N8 V at javax.media.opengl.GLCanvas$DisplayOnEventDispatchThreadAction.run(GLCanvas.java:452)5 w& c" @+ |; B& \
at java.awt.event.InvocationEvent.dispatch(Unknown Source)# [8 T3 M7 \6 c# ?
at java.awt.EventQueue.dispatchEvent(Unknown Source)
8 J; ?% E! \ a6 t g' r at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
* W1 T4 ] y. M at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)1 A2 G2 e$ B( G8 m3 @
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
0 r- h8 [) }% K, D4 E at java.awt.EventDispatchThread.pumpEvents(Unknown Source)6 K) ? i! H" w5 N
at java.awt.EventDispatchThread.pumpEvents(Unknown Source); |7 p. }8 E, i1 s( g/ W% y
at java.awt.EventDispatchThread.run(Unknown Source) |
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发表于 2011-8-14 15:50:58
