[error] java.net.SocketException: Connection reset
[error] at
sun.reflect.GeneratedConstructorAccessor8.newInstance(Unknown Source)
[error] at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
[error] at
java.lang.reflect.Constructor.newInstance(Constructor.java:423)
[error] at
sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1926)
[error] at
sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1921)
[error] at java.security.AccessController.doPrivileged(Native
Method)
[error] at
sun.net.www.protocol.http.HttpURLConnection.getChainedException(HttpURLConnection.java:1920)
[error] at
sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1490)
[error] at
sun.net.www.protocol.http.HttpURLConnection.access$200(HttpURLConnection.java:91)
[error] at
sun.net.www.protocol.http.HttpURLConnection$9.run(HttpURLConnection.java:1466)
[error] at
sun.net.www.protocol.http.HttpURLConnection$9.run(HttpURLConnection.java:1464)
[error] at java.security.AccessController.doPrivileged(Native
Method)
[error] at
java.security.AccessController.doPrivilegedWithCombiner(AccessController.java:782)
[error] at
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1463)
[error] at
java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480)
[error] at
scalaj.http.HttpRequest.scalaj$http$HttpRequest$$doConnection(Http.scala:359)
[error] at scalaj.http.HttpRequest.exec(Http.scala:335)
[error] at scalaj.http.HttpRequest.asString(Http.scala:455)
[error] at
Test.RequestSender1$$anonfun$main$1$$anonfun$apply$mcVI$sp$1$$anon$1.run(RequestSender.scala:23)
This is the error I am getting if I am sending 2000+ request using threads
to my akka http api. Can you help me you I am getting connection reset
Error?
On Friday, 30 September 2016 20:30:53 UTC+5:30, Konrad Malawski wrote:
> That means the other side has closed the connection. It could be an idle
> timeout. Are you sure data is consistently flowing, and not being idle for
> minutes?
>
> On 30 Sep 2016 16:59, "Eric Torti" <eric...@gmail.com <javascript:>>
> wrote:
>
>> Hey guys,
>>
>> I am new to akka streams so I may be missing something big here. Using
>> akka-stream, akka-http-core, akka-typed-experimental all 2.4.10 - scala
>> 2.11.8.
>>
>> I am experiencing the `connection reset by peer` error on a stream that I
>> have checked with `curl` to remain open far longer than the time it takes
>> akka to crash.
>>
>> The stream is produced from json lines like so:
>>
>> ```
>>
>> def stream(): Source[Development, Any] = {
>>
>> def chunkConsumer(res: HttpResponse) = {
>> res.entity.dataBytes
>> .via(Framing.delimiter(ByteString("\r\n"), 1048576, allowTruncation =
>> true))
>> .map[Development](bs => { parse(bs.utf8String).extract[Development] })
>> }
>>
>> val req = HttpRequest(method = HttpMethods.GET, uri =
>> s"http://$endpoint:$port/developments/stream";)
>> val res: Source[Development, Any] =
>> Source.single(req).via(client).flatMapConcat(chunkConsumer)
>>
>> res
>> }
>>
>> ```
>>
>> And consumed like so:
>>
>> ```
>>
>> def slowAsyncTransformation(d: Development) = {
>> Future { Thread sleep 50; d }
>> }
>>
>> val parallelism = 2
>>
>> DevelopmentsAPI
>> .stream()
>> .mapAsync(parallelism)(slowAsyncTransformation(_))
>> .runFold(0)((acc, d) => {
>> System.out.println("processing development " + d.id)
>> acc + 1
>> })
>> .onComplete {
>> case Success(s) => {
>> System.out.println(s"processed $s developments")
>> system.terminate()
>> Await.result(system.whenTerminated, 5 seconds)
>> System.exit(0)
>> }
>> case Failure(ex) => {
>> System.err.println(s"Could not finish processing developments: $ex")
>> system.terminate()
>> Await.result(system.whenTerminated, 5 seconds)
>> System.exit(1)
>> }
>> }
>>
>> ```
>>
>>
>> I can consistently get this to work from end to end in 180 seconds if I have
>> `parallelism` set to 2.
>>
>>
>> But if I set `parallelism` to 1, it crashes in 35 seconds with `Could not
>> finish processing developments: akka.stream.StreamTcpException: The
>> connection closed with error: Connection reset by peer`
>>
>> I cannot make sense of why is the degree of parallelism being 1 would
>> cause the peer to reset the connection.
>>
>> Any help will be greatly appreciated.
>>
>> Thanks,
>>
>> Eric
>>
>> --
>> >>>>>>>>>> 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
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>
--
>>>>>>>>>> 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
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