|
|
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
@+ W8 R1 i" _: x' F* F: f4 ^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
D2 D$ V! j+ t5 I1 W2 ]/ ]
& j$ s1 U- j& W+ V8 G% I* [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
( ^( |! Q2 W- N1 X% B$ y/ Z& \( r! k* m5 P8 ]) J& r, i6 h( k3 H+ A
感谢感谢' H7 g+ ]$ G7 }
错误如下：
! n8 Y. b% o! |3 F) D. l, T
+ G. L* e0 q3 P, m7 q' G8 J. mException in thread "Thread-4" javax.media.opengl.GLException: java.lang.NullPointerException
# R- B) J- E2 T7 {# j at javax.media.opengl.Threading.invokeOnOpenGLThread(Threading.java:271). z& y1 x Y* p3 D
at javax.media.opengl.GLCanvas.maybeDoSingleThreadedWorkaround(GLCanvas.java:410)! x9 Y7 v0 h: I
at javax.media.opengl.GLCanvas.display(GLCanvas.java:244)* ?$ C% w8 L, }' B
at saf.v3d.Canvas2D.update(Canvas2D.java:113)" U: l, k) K, _% d2 F
at repast.simphony.visualizationOGL2D.DisplayOGL2D.setPause(DisplayOGL2D.java:358)6 K, q: \) [( S2 ~ \
at repast.simphony.render.RendererManager.setPause(RendererManager.java:57)/ e% q: T+ ?3 `% [$ D
at repast.simphony.ui.GUIScheduleRunner$ScheduleLoopRunnable.run(GUIScheduleRunner.java:46)
1 ]3 y6 W& `0 x at java.lang.Thread.run(Unknown Source); t& w8 y) s$ S' f
Caused by: java.lang.NullPointerException( @5 j' n: q- k, `
at saf.v3d.scene.VEdge2D.doGetBoundingSphere(VEdge2D.java:130)
) {5 N" N/ {* V6 O* W at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)
& ^6 \" g( ?% O3 m2 g1 o at saf.v3d.scene.VComposite.doGetBoundingSphere(VComposite.java:88)
( m* s! T; B# U6 v0 h at saf.v3d.scene.VRoot.doGetBoundingSphere(VRoot.java:56)7 e( I; m/ i( B
at saf.v3d.scene.VSpatial.getBoundingSphere(VSpatial.java:439)
$ I; F4 Y( y# L4 l1 [ at saf.v3d.scene.Camera.resetAndCenter(Camera.java:58)
W: e5 u% \( L at saf.v3d.Canvas2D.centerScene(Canvas2D.java:273)9 H- S$ e& k/ X+ Y+ S9 p
at saf.v3d.Canvas2D.reshape(Canvas2D.java:302)
2 R# K4 q. `$ }" f! R; q' Q0 }) o( D at com.sun.opengl.impl.GLDrawableHelper.reshape(GLDrawableHelper.java:85)
& b$ h4 X( j, H at javax.media.opengl.GLCanvas$DisplayAction.run(GLCanvas.java:431)
2 `* L p0 {" J9 x- L at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:194)6 k. e8 p X6 L1 I3 l2 f
at javax.media.opengl.GLCanvas$DisplayOnEventDispatchThreadAction.run(GLCanvas.java:452)* s1 {$ X( e' ?3 h1 H% a N( Q
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
% u" K" l# Y# g" K+ L9 [ at java.awt.EventQueue.dispatchEvent(Unknown Source)7 ?* O2 l4 R2 Q6 R4 b* e
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
2 o) Y) }& w7 v* p# M/ g! L; O- U at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)* m1 j/ V* x* w3 W, k! t
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
7 Z7 s3 [) f$ K7 @9 a at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
* j$ `0 J% P* J2 v R6 j at java.awt.EventDispatchThread.pumpEvents(Unknown Source) |/ b2 B+ q" ^# d
at java.awt.EventDispatchThread.run(Unknown Source) |
|
发表于 2011-8-14 15:50:58
