我在尝试执行mvn clean时遇到以下错误：
[ERROR] Plugin org.apache.maven.plugins:maven-clean-plugin:2.5 or one of its
dependencies could not be resolved: Failed to read artifact descriptor for
org.apache.maven.plugins:maven-clean-plugin:jar:2.5:
你知道如何解决它吗？
POM文件：
-http：//maven.apache.org/xsd/maven-4.0.0.xsd"的xmlns：=的xsi＆＃34; HTTP：//www.w3.org/2001/XMLSchema-instance"的xmlns =＆＃34; HTTP：//maven.apache.org/POM/4.0.0"＆GT;
4.0.0
com.jenkov
您好世界
1.0.0