https://issues.apache.org/jira/browse/AIRAVATA-1060
https://issues.apache.org/jira/browse/AIRAVATA-1060
https://issues.apache.org/jira/browse/AIRAVATA-1060
https://issues.apache.org/jira/browse/AIRAVATA-1060
log4j was added to dist through transitive dependencies earlier, however its not happening since we removed unwanted jars. so manually added the log4j jar to assembly https://issues.apache.org/jira/browse/AIRAVATA-1060