解决Failed to execute goal org.apache.maven.plugins:maven-install-plugin:2.4:install (default-install)

在学习Mybatis框架时，执行测试类报错： Failed to execute goal org.apache.maven.plugins:maven-install-plugin:2.4:install (default-install) on project day04_eesy_03annotation_mybatis: Failed to install artifact con.ith

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