The server does not support edition 3.0 of the J2EE Web module specification

The server does not support edition 3.0 of the J2EE Web module specification
The server does not support edition 3.0 of the J2EE Web module specification
1. Error:
When running-> run on server is used in eclipse, selecting Tomcat 6 will report an error: The server does not support version 3.0 of the J2EE Web module specification
2. cause:
Tomcat 6.0 supports up to Servlet 2.5, but now the project to be imported is version 3.0.
3. solution:
There is a. settings folder under the root directory of the project, which contains an org. eclipse. wst. common. project. facet. core. xml file with the following content:
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<? Xml version = "1.0" encoding = "UTF-8"?> <Faceted-project> <fixed facet = "java"/> <fixed facet = "jst. web "/> <fixed facet =" wst. jsdt. web "/> <installed facet =" java "version =" 1.6 "/> <installed facet =" jst. web "version =" 3.0 "/> <installed facet =" wst. jsdt. web "version =" 1.0 "/> </faceted-project>
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Set
<Installed facet = "jst. web" version = "3.0" type = "regxph" text = "yourobjectname"/>
Change
<Installed facet = "jst. web" version = "2.5" type = "regxph" text = "yourobjectname"/>
You can.