The right key project in eclipse does not have a solution for project facets

Solution steps:

1, into the project directory, you can see the. project file, open.

2, find <natures>...</natures> code section.

3, in the 2nd step of the code snippet add the following label content and save:

<nature>org.eclipse.wst.common.project.facet.core.nature</nature>
<nature>org.eclipse.wst.common.modulecore.ModuleCoreNature</nature>
<nature>org.eclipse.jem.workbench.JavaEMFNature</nature>

4. Right-click the project on Eclipse and refresh the project.

5, on the project point right key, enter the property (properties)

6, on the left-hand list item Click Select "Project Facets", on the right select "Dynamic Web Module" and "Java", click OK to save.