转：http://blog.sina.com.cn/s/blog_87479ba60100x6uk.html
Errors running builder "Integrated External Tool Builder" on project
eclipse编译工程里，报如下错误：
Errors during build.
Errors running builder 'Integrated External Tool Builder' on project 'dataprocessor'.
The file does not exist for the external tool named jspack.
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处理：
On your project "project", right click -> Properties>Builders
Remove the missing builder