HttpServlet cannot is resolved to a type

DescriptionResourcePathLocationType
HttpServlet cannot is resolved to a typeSimpleservlet.java/javahelloworldapp/src/main/java/wasdev/sample/servletLine 15Java problem
HttpServletRequest cannot is resolved to a typeSimpleservlet.java/javahelloworldapp/src/main/java/wasdev/sample/servletLine 22Java problem
HttpServletResponse cannot is resolved to a typeSimpleservlet.java/javahelloworldapp/src/main/java/wasdev/sample/servletLine 22Java problem
Servletexception cannot is resolved to a typeSimpleservlet.java/javahelloworldapp/src/main/java/wasdev/sample/servletLine 22Java problem
The import Javax.servlet cannot be resolvedSimpleservlet.java/javahelloworldapp/src/main/java/wasdev/sample/servletLine 5Java problem
The import Javax.servlet cannot be resolvedSimpleservlet.java/javahelloworldapp/src/main/java/wasdev/sample/servletLine 6Java problem
The import Javax.servlet cannot be resolvedSimpleservlet.java/javahelloworldapp/src/main/java/wasdev/sample/servletLine 7Java problem
The import Javax.servlet cannot be resolvedSimpleservlet.java/javahelloworldapp/src/main/java/wasdev/sample/servletLine 8Java problem
The import Javax.servlet cannot be resolvedSimpleservlet.java/javahelloworldapp/src/main/java/wasdev/sample/servletLine 9Java problem

Webservlet cannot is resolved to a typesimpleservlet.java/javahelloworldapp/src/main/java/wasdev/ Sample/servletLineJava problem

In the article Java, the Rest API uses examples--based on cloud Platform + cloud services to build your own online translator tool downloaded from IBM bluemix Java sample code, after importing into eclipse, the above error message appears!

Cause of Error:

Eclipse is just installed, and the server is not configured to run the environment!

Workaround:

1, first to install Tomcat;

Usually is to download a zip compression package, unzip it;

2. In Eclipse, click the Window menu and select Preferences

3. Expand server on the left, select Runtime Environment, right click the Add button

4. Select your Tomcat version in the Pop-up window

5. Click the "Browse" button to select the installation location of Tomcat, select the appropriate JRE version, click the Finish button to complete.

With the above steps, all of the above errors are resolved, and if your project also shows errors, there are other reasons to consider.

can refer to: XXX cannot is resolved to a type error resolution method

HttpServlet cannot is resolved to a type