I think handling the exceptions thrown by your calls will make it work.
On Fri, Sep 5, 2014 at 9:20 AM, Matteo - frman <[email protected]> wrote: > Your hints have been very useful! > > I was synchronizing local clock using the NTP protocol within the > "prepare()" method of the bolt. In order to check the functionalities of > the system, I've disabled this step and it seems to work properly. > > Which is, in your opinion, the best way of doing this? Using a thread? > > Thank you very much. > > > 2014-09-05 12:58 GMT+02:00 Vikas Agarwal <[email protected]>: > >> It seems there is some error in initializing the bolts or spouts and it >> may be occasional if the error is something like error in connecting to an >> external service or database during bolt prepare method. So, you need to >> look into the supervisor.log for exact error detail when topology does not >> pick up. You can try manually running the worker command which would be >> used by supervisor to launch the workers. Most of the times this method >> helps in locating the exact error. >> >> >> On Fri, Sep 5, 2014 at 3:21 PM, Matteo - frman <[email protected]> wrote: >> >>> I want to execute a sequential topology, composed by a source (spout) >>> and 7 bolts. >>> >>> I submit it to the system without errors, but if I go on the UI the >>> bolts are not emitting tuples; it seems like they haven't been assigned to >>> worker processes (I'm not sure about that). >>> >>> Honestly I don't believe it's a topology issue, because sometimes, using >>> the same configuration, it's executed without any kind of problem by Storm. >>> >>> What can I do or check to work with it? >>> >>> M >>> >> >> >> >> -- >> Regards, >> Vikas Agarwal >> 91 – 9928301411 >> >> InfoObjects, Inc. >> Execution Matters >> http://www.infoobjects.com >> 2041 Mission College Boulevard, #280 >> Santa Clara, CA 95054 >> +1 (408) 988-2000 Work >> +1 (408) 716-2726 Fax >> >> > -- Supun Kamburugamuva Member, Apache Software Foundation; http://www.apache.org E-mail: [email protected]; Mobile: +1 812 369 6762 Blog: http://supunk.blogspot.com
