HttpServlet burst red line

background:

In a traditional project eclipse, native servlet, HttpServlet below the red line burst.

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A look at the following screenshot:

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Solution:

table of Contents

Step1、

Right-click the Project Build Path> Configure Build Path

Step2、

Add Library

Step3、

Server Runtime

Step4、

Select a server runtime

Step5、

Apply

Step6、

Ctrl + Shift + O, solve HttpServlet burst red line

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Step1、

Right-click the Project Build Path> Configure Build Path

 

Step2、

Add Library

 

Step3、

Server Runtime

 

Step4、

Select a server runtime

 

Step5、

Apply

 

Step6、

Ctrl + Shift + O, solve HttpServlet burst red line

 

 

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This article is just to share it.

Although now with IntelliJ IDEA, but the eclipse is this little problem would still have to have to drop!