Thanks! On Wed, Mar 7, 2018 at 6:16 PM, Jeff <jknight12...@gmail.com> wrote:
> An example of documentation for using import context.dispatcher is here > https://doc.akka.io/docs/akka/2.5/futures.html#within-actors > > I can create some PR to update the documentation > > On Wednesday, March 7, 2018 at 6:09:24 AM UTC-8, Patrik Nordwall wrote: >> >> It's because when the actor is stopped some of the fields are cleared >> (yeah, even though they are vals) to "help" the GC in case something (e.g. >> an local ActorRef) is still referencing the actor instance. >> >> implicit val ec = context.dispatcher >> >> would solve it here. >> >> Where in the documentation is the import recommended? We should probably >> update that. Would you be able creating a PR fixing it? Thanks. >> >> /Patrik >> >> On Tue, Mar 6, 2018 at 10:44 PM, Jeff <jknigh...@gmail.com> wrote: >> >>> I suspected as much. So what would you suggest as for handling use cases >>> where you could have chained flatmaps on futures that at the end will >>> pipeTo a message back to the actor. Should we set the ExecutionContext to a >>> val? >>> >>> On Tuesday, March 6, 2018 at 12:09:22 PM UTC-8, √ wrote: >>>> >>>> Context is bound to the lifecycle of the actor. >>>> >>>> On Tue, Mar 6, 2018 at 8:37 PM, Jeff <jknigh...@gmail.com> wrote: >>>> >>>>> I have noticed an issue where if a future maps/flatmaps after actor >>>>> shutdown, a NullPointerException is thrown. I've narrowed it down to >>>>> the import context.dispatcher, which I technically understand since >>>>> that is closing over actor state. If I change that to implicit val ec >>>>> = context.dispatcher, everything works fine. >>>>> >>>>> I'd like to understand what is the best practice in this case, since >>>>> the documentation for context.dispatcher indicates that it is >>>>> threadsafe and looking at the actor trait, context is a val. Most >>>>> documentation seems to indicate that import context.dispatcher is >>>>> preferred. >>>>> >>>>> Thanks >>>>> Jeff >>>>> >>>>> -- >>>>> >>>>>>>>>> Read the docs: http://akka.io/docs/ >>>>> >>>>>>>>>> Check the FAQ: http://doc.akka.io/docs/akka/c >>>>> urrent/additional/faq.html >>>>> >>>>>>>>>> Search the archives: https://groups.google.com/grou >>>>> p/akka-user >>>>> --- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "Akka User List" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to akka-user+...@googlegroups.com. >>>>> To post to this group, send email to akka...@googlegroups.com. >>>>> Visit this group at https://groups.google.com/group/akka-user. >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> >>>> >>>> >>>> -- >>>> Cheers, >>>> √ >>>> >>> -- >>> >>>>>>>>>> Read the docs: http://akka.io/docs/ >>> >>>>>>>>>> Check the FAQ: http://doc.akka.io/docs/akka/c >>> urrent/additional/faq.html >>> >>>>>>>>>> Search the archives: https://groups.google.com/grou >>> p/akka-user >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "Akka User List" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to akka-user+...@googlegroups.com. >>> To post to this group, send email to akka...@googlegroups.com. >>> Visit this group at https://groups.google.com/group/akka-user. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> >> -- >> >> Patrik Nordwall >> Akka Tech Lead >> Lightbend <http://www.lightbend.com/> - Reactive apps on the JVM >> Twitter: @patriknw >> >> -- > >>>>>>>>>> Read the docs: http://akka.io/docs/ > >>>>>>>>>> Check the FAQ: http://doc.akka.io/docs/akka/ > current/additional/faq.html > >>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user > --- > You received this message because you are subscribed to the Google Groups > "Akka User List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to akka-user+unsubscr...@googlegroups.com. > To post to this group, send email to akka-user@googlegroups.com. > Visit this group at https://groups.google.com/group/akka-user. > For more options, visit https://groups.google.com/d/optout. > -- Patrik Nordwall Akka Tech Lead Lightbend <http://www.lightbend.com/> - Reactive apps on the JVM Twitter: @patriknw -- >>>>>>>>>> Read the docs: http://akka.io/docs/ >>>>>>>>>> Check the FAQ: >>>>>>>>>> http://doc.akka.io/docs/akka/current/additional/faq.html >>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user --- You received this message because you are subscribed to the Google Groups "Akka User List" group. To unsubscribe from this group and stop receiving emails from it, send an email to akka-user+unsubscr...@googlegroups.com. To post to this group, send email to akka-user@googlegroups.com. Visit this group at https://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout.
