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 > >
