tomcat报这个错误，搞不明白，现在加班解决这个问题，高手帮忙看看。

[iso_wangjian]

Exception in thread "UIThread [1304159192996@A999215E40083D3163B8E7241311E662]" java.lang.NullPointerException
at org.eclipse.swt.widgets.Display.release(Display.java:696)
at org.eclipse.swt.graphics.Device.dispose(Device.java:282)
at org.eclipse.rwt.internal.lifecycle.UIThread.processShutdown(UIThread.java:159)
at org.eclipse.rwt.internal.lifecycle.RWTLifeCycle$UIThreadController.run(RWTLifeCycle.java:128)
at java.lang.Thread.run(Thread.java:619)
at org.eclipse.rwt.internal.lifecycle.UIThread.run(UIThread.java:102)

[ycproc]

java 的 程序进程 ？