title: Writing a WSO2 Connector: Create the Maven project template from archetype not work
body: <p>I tried this <a href="https://docs.wso2.com/display/ESBCONNECTORS/Writing+a+Connector" rel="nofollow noreferrer">tutorial</a> on docs.wso2.com but the step <strong>Create the Maven project template</strong> from archetype </p>
  
  <pre><code>mvn archetype:generate -DarchetypeGroupId=org.wso2.carbon.extension.archetype -DarchetypeArtifactId=org.wso2.carbon.extension.esb.connector-archetype -DarchetypeVersion=2.0.0 -DgroupId=org.wso2.carbon.connector -DartifactId=org.wso2.carbon.connector.helloworld -Dversion=1.0.0 -DarchetypeRepository=http://maven.wso2.org/nexus/content/repositories/wso2-public/
  </code></pre>
  
  <p>fails with error:</p>
  
  <pre><code>...
      [INFO] Generating project in Interactive mode
      [WARNING] Archetype not found in any catalog. Falling back to central repository (http://repo.maven.apache.org/maven2).
      [WARNING] Use -DarchetypeRepository=&lt;your repository&gt; if archetype's repository is elsewhere.
      Downloading: http://repo.maven.apache.org/maven2/org/wso2/carbon/extension/archetype/org.wso2.carbon.extension.esb.connector-archetype/2.0.0/org.wso2.carbon.ext
      ension.esb.connector-archetype-2.0.0.pom
      [WARNING] The POM for org.wso2.carbon.extension.archetype:org.wso2.carbon.extension.esb.connector-archetype:jar:2.0.0 is missing, no dependency information avai
      lable
      Downloading: http://repo.maven.apache.org/maven2/org/wso2/carbon/extension/archetype/org.wso2.carbon.extension.esb.connector-archetype/2.0.0/org.wso2.carbon.ext
      ension.esb.connector-archetype-2.0.0.jar
      [INFO] ------------------------------------------------------------------------
      [INFO] BUILD FAILURE
      [INFO] ------------------------------------------------------------------------
      [INFO] Total time: 5.055 s
      [INFO] Finished at: 2017-03-09T11:34:17+01:00
      [INFO] Final Memory: 16M/218M
      [INFO] ------------------------------------------------------------------------
      [ERROR] Failed to execute goal org.apache.maven.plugins:maven-archetype-plugin:3.0.0:generate (default-cli) on project standalone-pom: The desired archetype doe
      s not exist (org.wso2.carbon.extension.archetype:org.wso2.carbon.extension.esb.connector-archetype:2.0.0) -&gt; [Help 1]
      org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-archetype-plugin:3.0.0:generate (default-cli) on p
      roject standalone-pom: The desired archetype does not exist (org.wso2.carbon.extension.archetype:org.wso2.carbon.extension.esb.connector-archetype:2.0.0)
  </code></pre>
  
  <p>Poor documentation or my error?<br>
  There is an archetype to start writing a custom Java connector?</p>