hierarchyviewer无法启动 提示"no swt-win32-3550 or swt-win32"

[清海风缘]

我的"hierarchyviewer"之前可以正常启动, 今天在试的时候, 出现如下错误, 不知道是什么原因, 网上搜索也没有结果, 大家帮忙看看是怎么回事啊?

D:\android-sdk-windows-1.6_r1\tools>D:\android-sdk-windows-1.6_r1\tools\hierarchyviewer.bat
10:04:52 E/HierarchyViewer: shutting down due to uncaught exception
10:04:52 E/HierarchyViewer: no swt-win32-3550 or swt-win32 in swt.library.path, java.library.path or the jar file
java.lang.UnsatisfiedLinkError: no swt-win32-3550 or swt-win32 in swt.library.path, java.library.path or the jar file
at org.eclipse.swt.internal.Library.loadLibrary(Unknown Source)
at org.eclipse.swt.internal.Library.loadLibrary(Unknown Source)
at org.eclipse.swt.internal.C.<clinit>(Unknown Source)
at org.eclipse.swt.widgets.Display.<clinit>(Unknown Source)
at com.android.hierarchyviewer.HierarchyViewerApplication.main(HierarchyViewerApplication.java:896)