eclipse启动报错

eclipse启动是突然报错,提示说:

An error has occurred. See the log file D:/workspace/.metadata/.log
打开log文件看了一下,大概为:
An error occurred while automatically activating bundle org.eclipse.core.resources (36)
google一了顿,没有结果。于是试着把D:/workspace/.metadata目录删除,然后eclipse可以正常启动。