Errors occurred during the build.
Errors running builder 'Integrated External Tool Builder' on project 'xinghe-base'.
The builder launch configuration could not be found.
The builder launch configuration could not be found.
Errors running builder 'Integrated External Tool Builder' on project 'xinghe-base-web'.
The builder launch configuration could not be found.
The builder launch configuration could not be found.
Errors running builder 'Integrated External Tool Builder' on project 'xinghe-base-web'.
The builder launch configuration could not be found.
The builder launch configuration could not be found.
Errors running builder 'Integrated External Tool Builder' on project 'xinghe-manager-web'.
The builder launch configuration could not be found.
The builder launch configuration could not be found.
Errors running builder 'Integrated External Tool Builder' on project 'xinghe-manager-web'.
The builder launch configuration could not be found.
The builder launch configuration could not be found.

Description of the error environment:

Operating system: Windows 7 x64

Eclipse：

Eclipse Java EE IDE for Web Developers.
Version: Luna Service Release 2 (4.4.2)
Build id: 20150219-0600

apachetomcat 8.022

JDK 1.8

apachemaven 3.3.3

In order to speed up the compilation of the project, some validation and Builder have been removed, resulting in this error

The error is shown below.

Solution.

Click the right mouse button on the item with the error, and in the pop-up menu select Properties.

Select “Builders” on the left and delete the unavailable Builders on the right.