Github user harshach commented on the pull request: https://github.com/apache/storm/pull/303#issuecomment-61668317 @NareshKosgi I am -1 on current PR. Please look at the @Parth-Brahmbhatt suggested approach. Also lets not modify the existing examples to test it. It will be great if you can add unit tests to check if the different topology names are valid or not. Thanks. @clockfly special characters seems to have no issue. Please check the attached image. I was able to submit ./bin/storm jar examples/storm-starter/storm-starter-topologies-0.9.3-rc2-SNAPSHOT.jar storm.starter.WordCountTopology "word#&count)(" 
--- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. ---