新建APP 没反应 日志文件如下 win7 x64

!ENTRY org.eclipse.ui 4 0 2015-02-23 17:15:40.112
!MESSAGE Unhandled event loop exception
!STACK 0
java.lang.NullPointerException
at sun.awt.shell.Win32ShellFolder2.getFileSystemPath(Unknown Source)
at sun.awt.shell.Win32ShellFolder2.access$400(Unknown Source)
at sun.awt.shell.Win32ShellFolder2$10.call(Unknown Source)
at sun.awt.shell.Win32ShellFolder2$10.call(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at sun.awt.shell.Win32ShellFolderManager2$ComInvoker$3.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)