eclipse报错Invalid classpath publish/export dependency /mvn_service. Project entries not supported.

Eclipse中的problems中报错Invalid classpath publish/export dependency /mvn_service. Project entries not supported

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解决办法，执行以下命令：

mvn eclipse:clean
mvn eclipse:eclipse

如果问题还不能解决，则在pom文件里面添加以下代码，添加完毕后，再次执行上面的命令(dos控制台的eclipse安装目录里面执行)

<plugin>
	<groupId>org.apache.maven.plugins</groupId>
	<artifactId>maven-eclipse-plugin</artifactId>
	<version>2.9</version>
	<configuration>
		<additionalProjectnatures>
			<projectnature>org.eclipse.jdt.core.javanature</projectnature>
			<!-- 
			<projectnature>org.eclipse.m2e.core.maven2Nature</projectnature>
			<projectnature>org.springframework.ide.eclipse.core.springnature</projectnature>
			 -->
		</additionalProjectnatures>
		<additionalBuildcommands>
			<buildcommand>org.eclipse.jdt.core.javabuilder</buildcommand>
			<!-- 
			<buildcommand>org.eclipse.m2e.core.maven2Builder</buildcommand>
			<buildcommand>org.springframework.ide.eclipse.core.springbuilder</buildcommand>
			 -->
		</additionalBuildcommands>
	</configuration>
</plugin>