用的版本是Eclipse kepler ，点启动的时候加载工作空间的画面的时候，就运行不下去了，也不报错。在工作空间里的log显示
SESSION 2014-06-21 15:14:13.465 -----------------------------------------------
eclipse.buildId=4.3.2.M20140221-1700
java.version=1.7.0
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=zh_CN
Framework arguments: -product org.eclipse.epp.package.jee.product
Command-line arguments: -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.jee.product
!ENTRY org.eclipse.core.resources 2 10035 2014-06-21 15:14:15.569
!MESSAGE The workspace exited with unsaved changes in the previous session; refreshing workspace to recover changes.
!ENTRY org.eclipse.core.jobs 2 2 2014-06-21 15:14:18.659
!MESSAGE Job found still running after platform shutdown. Jobs should be canceled by the plugin that scheduled them during shutdown: org.eclipse.ui.internal.Workbench$55
怎么解决
------解决方案--------------------
看看任务管理器里面是否有eclipse或java进程，有的话杀掉再起eclipse，如果还不行，重启下电脑试试