Error in pom.xml file in eclipse webapp

Question

I am getting following error message in pom.xml file, anyone please help me to solve this problem. I have searched the solution in google yet to get solution.

ERROR

Failure to transfer com.thoughtworks.xstream:xstream:pom: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:pom:1.3.1 from/to 
 central (https://repo.maven.apache.org/maven2): The operation was cancelled.

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.maven</groupId>
  <artifactId>helloworld</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>helloworld Maven Webapp</name>
  <url>http://maven.apache.org</url>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
  </dependencies>
  <build>
    <finalName>helloworld</finalName>
  </build>
</project>

Answer 1

I fixed this issue by deleting the corresponding failed to download artifact directory in my local repo. So that next time it will downloaded automatically.