Hi,
On Tue, Apr 5, 2016 at 8:40 PM, Michi <michael.tha...@physik.tu-muenchen.de> wrote: > Hi, > > I think SO_REUSEADDR is enabled by default for Akka HTTP. At least it > looks like that when I looked at the code. But even if it is disabled, the > OS should not need ten minutes to release the socket. Maybe I write a > simple test program tomorrow that demonstrates the problem. > Ok, this might be a bug then, please file a ticket. Strange that it works on non-Windows though :( (we have test for the behavior) > > My problem is that I am running out of time. Our customer is getting > impatient and the server-side rest interface is just a small part of the > application. > I think it is probably best if I just use something else for now and go > back to Akka HTTP if I have some more time. Can anyone suggest a > lightweight, easy to use HTTP Server library for Java to provide a REST > interface and deliver some HTML, CSS and Javascript files? > You can use Play for example. -Endre > > Thanks, > Michael > > On Tuesday, April 5, 2016 at 6:34:26 PM UTC+2, drewhk wrote: >> >> Have you tried to add a configuration (ServerSettings) when you bind the >> TCP which enables the ReuseAddress ( >> http://doc.akka.io/api/akka/2.4.3/#akka.io.Inet$$SO$$ReuseAddress) >> option? >> >> -Endre >> >> On Tue, Apr 5, 2016 at 6:29 PM, Endre Varga <endre...@lightbend.com> >> wrote: >> >>> But that code uses SO_REUSEADDR. >>> >>> -Endre >>> >>> On Tue, Apr 5, 2016 at 5:50 PM, Michi <michael...@physik.tu-muenchen.de> >>> wrote: >>> >>>> Hi Endre, >>>> >>>> I wrote a small test program that creates a socket channel, closes it >>>> and creates another one using the same port: >>>> >>>> import java.io.IOException; >>>> import java.net.InetSocketAddress; >>>> import java.net.SocketAddress; >>>> import java.net.StandardSocketOptions; >>>> import java.nio.channels.NetworkChannel; >>>> import java.nio.channels.ServerSocketChannel; >>>> >>>> public class Main { >>>> >>>> public static void main(String[] args) throws IOException, >>>> InterruptedException { >>>> int port = Integer.parseInt(args[0]); >>>> SocketAddress addr = new InetSocketAddress(port); >>>> System.out.println("Binding server socket to " + addr); >>>> ServerSocketChannel s = ServerSocketChannel.open(); >>>> s.setOption(StandardSocketOptions.SO_REUSEADDR, true); >>>> System.out.println("Created server socket channel " + s); >>>> NetworkChannel c = s.bind(addr); >>>> System.out.println("Bound server socket to " + addr); >>>> s.close(); >>>> System.out.println("Closed channel: " + s); >>>> Thread.sleep(1000); >>>> System.out.println("Binding server socket to " + addr); >>>> ServerSocketChannel s2 = ServerSocketChannel.open(); >>>> s2.setOption(StandardSocketOptions.SO_REUSEADDR, true); >>>> System.out.println("Created server socket channel " + s2); >>>> NetworkChannel c2 = s2.bind(addr); >>>> System.out.println("Bound server socket to " + addr); >>>> s2.close(); >>>> System.out.println("Closed channel: " + s2); >>>> >>>> } >>>> } >>>> >>>> It works perfectly both on Linux and on Windows. Here is the output on >>>> Windows: >>>> >>>> C:\Users\Michael\Desktop>java Main 8888 >>>> Binding server socket to 0.0.0.0/0.0.0.0:8888 >>>> Created server socket channel sun.nio.ch.ServerSocketChannelImpl[unbound] >>>> Bound server socket to 0.0.0.0/0.0.0.0:8888 >>>> Closed channel: sun.nio.ch.ServerSocketChannelImpl[closed] >>>> Binding server socket to 0.0.0.0/0.0.0.0:8888 >>>> Created server socket channel sun.nio.ch.ServerSocketChannelImpl[unbound] >>>> Bound server socket to 0.0.0.0/0.0.0.0:8888 >>>> Closed channel: sun.nio.ch.ServerSocketChannelImpl[closed] >>>> >>>> >>>> There is also AsynchronousServerSocketChannel, but I doubt this makes a >>>> big difference. I really don't think that NIO does not properly unbind >>>> sockets on Windows. There might be a small delay, but certainly not 10 >>>> Minutes! As far as I know StandardSocketOptions.SO_REUSEADDR should >>>> allow to reuse sockets that are no longer in use, even if the operating >>>> system did not unbind them yet. >>>> >>>> If there is anything I can do to help, let me know. >>>> >>>> Best regards, >>>> Michael >>>> >>>> On Tuesday, April 5, 2016 at 5:08:09 PM UTC+2, drewhk wrote: >>>> >>>>> >>>>> >>>>> On Tue, Apr 5, 2016 at 5:04 PM, Michi < >>>>> michael...@physik.tu-muenchen.de> wrote: >>>>> >>>>>> Hi Endre, >>>>>> >>>>>> even after 10 Minutes TCPView shows that the socket is still bound by >>>>>> jawaw.exe. If I close the application, the socket gets unbound >>>>>> immediately. >>>>>> That's why I am wondering if I do something wrong or if this is a bug in >>>>>> Akka HTTP. >>>>>> >>>>> >>>>> We use NIO underneath and don't do anything special, so I am not sure >>>>> what we can do here (it works on all other OSes). >>>>> >>>>> >>>>>> >>>>>> I tried to use a independent Actor System for the Http Server class >>>>>> and shut the system down after unbinding, but that does not help either. >>>>>> >>>>> >>>>> At that point Akka had cleaned up every actor, so I am not sure what >>>>> else to do :( >>>>> >>>>> >>>>>> >>>>>> Unfortunately our customer uses Windows and I am wondering if there >>>>>> is anything I can do about it or if it would be better to reimplement the >>>>>> code with Apache Http Components. >>>>>> >>>>> >>>>> You can try out other frameworks, if they happen to work (and use NIO) >>>>> then at least we can see what magic they do to make Windows happy :( >>>>> >>>>> -Endre >>>>> >>>>> >>>>>> >>>>>> best regards, >>>>>> Michael >>>>>> >>>>>> On Tuesday, April 5, 2016 at 2:07:52 PM UTC+2, drewhk wrote: >>>>>>> >>>>>>> Hi, >>>>>>> >>>>>>> As far as I know event though NIO reports the unbind, unbinding on >>>>>>> Windows is not immediate and you are not guaranteed to be able to bind >>>>>>> again immediately. I don't know if this comes from Windows or the NIO >>>>>>> windows drivers though. >>>>>>> >>>>>>> -Endre >>>>>>> >>>>>>> On Tue, Apr 5, 2016 at 2:05 PM, Michi < >>>>>>> michael...@physik.tu-muenchen.de> wrote: >>>>>>> >>>>>>>> Hi, >>>>>>>> >>>>>>>> we have a problem with Akka HTTP on Windows: after creating a >>>>>>>> server binding and unbinding it, it is not possible to bind it again. >>>>>>>> We >>>>>>>> get a akka.stream.BindFailedException. On Linux, this works without >>>>>>>> problems. >>>>>>>> >>>>>>>> The application uses the following code to create the server >>>>>>>> binding: >>>>>>>> >>>>>>>> private val binding: Future[ServerBinding] = { >>>>>>>> val httpsContext = if (protocol == Protocol.Https) >>>>>>>> Some(HttpsContexts.serverContext) else None >>>>>>>> val serverSource: Source[Http.IncomingConnection, >>>>>>>> Future[Http.ServerBinding]] = Http(actorSystem).bind(interface = >>>>>>>> interface, >>>>>>>> port = port, httpsContext = httpsContext) >>>>>>>> >>>>>>>> logger.info("Binding to interface " + interface + ":" + port + >>>>>>>> " using " + protocol) >>>>>>>> >>>>>>>> val bindingFuture: Future[ServerBinding] = >>>>>>>> serverSource.to(Sink.foreach { connection => >>>>>>>> connection.handleWith(route) >>>>>>>> }).run() >>>>>>>> bindingFuture >>>>>>>> } >>>>>>>> >>>>>>>> binding onComplete { >>>>>>>> case Success(result) => logger.info("Bound to interface " + >>>>>>>> interface + ":" + port + " using " + protocol) >>>>>>>> case Failure(reason) => logger.error("Could not bind to >>>>>>>> interface " + interface + ":" + port + " using " + protocol, reason) >>>>>>>> } >>>>>>>> >>>>>>>> protected override def dispose(): Unit = { >>>>>>>> // stop webserver >>>>>>>> for(binding <- binding) { >>>>>>>> binding.unbind() onComplete { >>>>>>>> case Success(result) => logger.info("Unbound " + binding) >>>>>>>> case Failure(reason) => logger.error("Could not unbind " + >>>>>>>> binding, reason) >>>>>>>> } >>>>>>>> } >>>>>>>> } >>>>>>>> >>>>>>>> Restarting the application solves the problem. >>>>>>>> >>>>>>>> Is there anything I can do to solve the problem? >>>>>>>> >>>>>>>> Thanks, >>>>>>>> Michael >>>>>>>> >>>>>>>> -- >>>>>>>> >>>>>>>>>> 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+...@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. >>>>>>>> >>>>>>> >>>>>>> -- >>>>>> >>>>>>>>>> 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+...@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. >>>>>> >>>>> >>>>> -- >>>> >>>>>>>>>> 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+...@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. >>>> >>> >>> >> -- > >>>>>>>>>> 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. > -- >>>>>>>>>> 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. 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