Errors running builder "Integrated External Tool Builder" on project

Errors occurred during the build.
Errors running builder 'Integrated External Tool Builder' on project '*******'.
The builder launch configuration could not be found.
The builder launch configuration could not be found.

eclipse编译工程里，报如下错误：

Errors during build.
<wbr> Errors running builder 'Integrated External ToolBuilder' on project 'dataprocessor'.<br><wbr> The file does not exist for the external toolnamed jspack.<br></wbr></wbr>

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处理：

On your project "project", right click ->Properties>Builders
Remove the missing builder