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Daniel Gómez Ferro commented on S4-74: -------------------------------------- This fixed the original problem, thanks a lot! > NullPointerException on TCPEmitter.onChange() > ---------------------------------------------- > > Key: S4-74 > URL: https://issues.apache.org/jira/browse/S4-74 > Project: Apache S4 > Issue Type: Bug > Affects Versions: 0.5 > Reporter: Daniel Gómez Ferro > Assignee: Matthieu Morel > Fix For: 0.5 > > > TCPEmitter is registering itself as a listener in its constructor: > {{this.topology.addListener(this);}} > The topology is triggering a refresh before the TCPEmitter is fully > constructed, so TCPEmitter.partitionNodeMap is still null during onChange() > execution. > TCPEmitter shouldn't register itself as a listener until it's fully built, > see http://www.ibm.com/developerworks/java/library/j-jtp0618/index.html#2 > (Don't publish the "this" reference during construction) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira