Maven項目Build path ----------No action available 解決方案

找到項目的.project文件，添加的內容如下：

 

 <buildSpec>
          <buildCommand>
               <name>org.eclipse.jdt.core.javabuilder</name>
               <arguments>
               </arguments>
          </buildCommand>
          <buildCommand>
               <name>org.eclipse.m2e.core.maven2Builder</name>
               <arguments>
               </arguments>
          </buildCommand>
     </buildSpec>
     <natures>
          <nature>org.eclipse.jdt.core.javanature</nature>
          <nature>org.eclipse.m2e.core.maven2Nature</nature>
     </natures>