Eclipse Error Import ... cannot be resolved processing method

Right-click on the project, properties, find the Java build path, cut to the Libraies tab, and edit the red-burst JDK,
Choose the JDK version you need, typically 1. 6
, look for the server runtime, if you eclipse created Tomcat's server, you should be able to see the Tomcat,
Or you build one first (it should be easy,window-->preferenct-->server-->runtime environment,
Then add one and choose your Tomcat path. Anyway libraries label inside things you do well, generally no problem, see what to change what, which burst red fork to change which.
I just happened to see you this question to answer, long time did not come to know the stroll.

Right-click on the project, properties, find the Java build path, cut to the libraies tag, will burst the red JDK edit, choose the JDK version you need, general 1.6. I see your class of HttpServlet error, also this page, the right add Library, find the server runtime, if you eclipse created Tomcat server, you should be able to see the Tomcat, otherwise you will first build one (should be very simple,window-->preferenct--> Server-->runtime environment, then add one, choose your Tomcat path. ）
Anyway libraries label inside things you do well, generally no problem, see what to change what, which burst red fork to change which. I just happened to see you this question to answer, long time did not come to know the stroll.

Eclipse Error Import ... cannot be resolved processing method