Maven异常和解决办法
Scanning error [D:\WS\snap-master]; org.eclipse.m2e.core.internal.lifecyclemapping.LifecycleMappingConfigurationException: Cannot read lifecycle mapping metadata for artifact org.apache.maven.plugins:maven-clean-plugin:maven-plugin:2.4.1:runtime Cause: error in opening zip file设置Maven4MyEclipse，修改Maven JDK为本机安装的完整JDK，再重新导入项目即可。
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