ivy.xml for cassandra here ant is unable to resolve com.cloudera.hadoop

ivy.xml

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<ivy-module version="2.0">
  <info organisation="apache-cassandra" module="cassandra"/>

  <dependencies>
    <!-- FIXME: paranamer can be dropped after we're depending on avro                                                                                                                                                                        
    (since it depends on them). -->
    <dependency org="com.thoughtworks.paranamer"
                name="paranamer-ant" rev="2.1"/>
    <dependency org="junit" name="junit" rev="4.6" />
    <dependency org="commons-logging" name="commons-logging" rev="1.1.1"/>
    <dependency org="org.apache.rat" name="apache-rat" rev="0.6" />
    <dependency org="com.cloudera.hadoop" name="hadoop-core" rev="0.20.2-320"/>
    <dependency org="com.cloudera.hadoop" name="hadoop-streaming" rev="0.20.2-320"/>
    <dependency org="net.sf.jopt-simple" name="jopt-simple" rev="3.2"/>

    <dependency org="net.java.dev.jna" name="jna" rev="3.2.7"/>
  </dependencies>
</ivy-module>