title: Unable to download groovy.jar
body: <p>Any help appreciated.</p>
  
  <p>I'm new to Maven. I got the below command from tutorials point</p>
  
  <pre><code>mvn archetype:generate -DgroupId=com.tutorialpoint.app -DartifactId=camel-first-app -DarchetypeGroupId=org.apache.camel.archetypes -DarchetypeArtifactId=camel-archetype-spring -DinteractiveMode=false
  </code></pre>
  
  <p>it is failing with below error:</p>
  
  <pre><code>[INFO] Scanning for projects...
  [INFO]
  [INFO] ------------------------------------------------------------------------
  [INFO] Building Maven Stub Project (No POM) 1
  [INFO] ------------------------------------------------------------------------
  [INFO]
  [INFO] &gt;&gt;&gt; maven-archetype-plugin:3.0.1:generate (default-cli) @ standalone-pom &gt;&gt;&gt;
  [INFO]
  [INFO] &lt;&lt;&lt; maven-archetype-plugin:3.0.1:generate (default-cli) @ standalone-pom &lt;&lt;&lt;
  [INFO]
  [INFO] --- maven-archetype-plugin:3.0.1:generate (default-cli) @ standalone-pom ---
  Downloading: 
  http://repo.maven.apache.org/maven2/org/codehaus/groovy/groovy/1.8.3/groovy-1.8.3.jar
  [INFO] ------------------------------------------------------------------------
  [INFO] BUILD FAILURE
  [INFO] ------------------------------------------------------------------------
  [INFO] Total time: 2.981s
  [INFO] Finished at: Tue Nov 14 23:11:42 IST 2017
  [INFO] Final Memory: 10M/184M
  [INFO] ------------------------------------------------------------------------
  [ERROR] Failed to execute goal org.apache.maven.plugins:maven-archetype-plugin:3.0.1:generate (default-cli) on project standalone-pom: Execution default-cli of goal org.apache.maven.plugins:maven-archetype-plugin:3.0.1:generate failed: Plugin org.apache.maven.plugins:maven-archetype-plugin:3.0.1 or one of its dependencies could not be resolved: Could not transfer artifact org.codehaus.groovy:groovy:jar:1.8.3 from/to central (http://repo.maven.apache.org/maven2): GET request of: org/codehaus/groovy/groovy/1.8.3/groovy-1.8.3.jar from central failed: Connection reset -&gt; [Help 1]
  [ERROR]
  [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
  [ERROR] Re-run Maven using the -X switch to enable full debug logging.
  [ERROR]
  [ERROR] For more information about the errors and possible solutions, please read the following articles:
  [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginResolutionException
  </code></pre>
  
  <p>Can someone please help.</p>