Javax.servlet.jsp cannot is resolved to a type,javax.servlet

It may be that the JDK does not include the Servlet-api.jar package, and the package found in Tomcat is copied to the Java project.

Project name--right-click

Property--> selection

Java Build path--> Selection

ADD External jars--> Select

Enter the path of the Servlet-api.jar. The package is found in tomcat with search lessons.

Javaxservletjspjspexception cannot is resolved to a type Javaxservletjsppagecontext cannot be

Have you configured the JSP package to Jdk/jre/lib/ext?

After importing the MyEclipse project into Eclipse Luna, there was an inexplicable error, note: Eclipse Luna is a newly refurbished one.

Error Description: JSP page quoted JS error, Mouse put up after the hint: javax.servlet.jsp cannot be resolved to a type. Picture for proof:

Similar to the below there is a red wavy line error, a lot of JSP pages have, but also different.

Workaround:

Click the menu bar: window→preferences→validation, find the "JSP Syntax Validator" item on the right, and remove the √ after the item. Click OK, get it done!!

Javax.servlet.jsp cannot is resolved to a type,javax.servlet