Adaptation of pom.xml for realease in Sonatype

I am currently facing difficulties publishing snapshots to OSS Sonatype
  # mvn clean deploy
  [INFO] Error deploying artifact: Authorization failed: Access denied to: https://oss.sonatype.org/content/repositories/snapshots/com/yakaz/elasticsearch/plugins/elasticsearch-analysis-combo/1.2.1-SNAPSHOT/elasticsearch-analysis-combo-1.2.1-20130111.114342-1.jar