錯誤問題描述

Failure to transfer com.thoughtworks.xstream:xstream:jar:1.3.1 from https://repo.maven.apache.org/
maven2 was cached in the local repository, resolution will not be reattempted until the update interval
of central has elapsed or updates are forced. Original error: Could not transfer artifact
com.thoughtworks.xstream:xstream:jar:1.3.1 from/to central (

https://repo.maven.apache.org/maven2):
Network is unreachable: connect

解決辦法

1、根據提示：com.thoughtworks.xstream:xstream:jar:1.3.1，找到本地倉庫的相應jar包目錄，刪除

2、配置pom.xml依賴xstream，重新下載即可

    <dependencies>
        <dependency>
            <groupId>com.thoughtworks.xstream</groupId>
 
 
            <artifactId>xstream</artifactId> 
            <version>1.3.1</version> 
        </dependency>
    </dependencies>