使用Eclipse编写java代码时，将鼠标放在相应方法或字段等元素上时，会有对应的说明或提示。
不过，常出现下面的问题：
Note:An exception occurred while getting the javadoc.see log for details.
Note:This element neither has attached source nor attached Javadoc and hence no information could be found.
Note:This element has no attached source and the javadoc could not be found in the attached javadoc
解决方法点击javadoc下的open input:
class editor提示找不到对应的rt.jar文件。
you can attach the source by clicking attach source below
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那么，点击“attach source”，加载相应文件即可：
选择External file：
如果你安装jdk的话，附加文件的路径是：
C:\Program Files\Java\jdk1.6.0_12\src.zip
现在就一切正常了：
原文链接http://www.it610.com/article/2610234.htm