http - OkHttp "java.net.ProtocolException: Unexpected status line: nullHTTP/1.1 200 OK" after a "204 NO-CONTENT" response using same connection -


i need sequence of calls using same connection (okhttpclient fits needs) , 1 of them returns 204 status code (no body), after "204 call" success:

java.net.protocolexception: unexpected status line: nullhttp/1.1 200 ok @ okhttp3.internal.http.statusline.parse(statusline.java:69) @ okhttp3.internal.http.http1xstream.readresponse(http1xstream.java:184) @ okhttp3.internal.http.http1xstream.readresponseheaders(http1xstream.java:125) @ okhttp3.internal.http.httpengine.readnetworkresponse(httpengine.java:775) @ okhttp3.internal.http.httpengine.access$200(httpengine.java:86) @ okhttp3.internal.http.httpengine$networkinterceptorchain.proceed(httpengine.java:760) @ okhttp3.internal.http.httpengine.readresponse(httpengine.java:613) @ okhttp3.realcall.getresponse(realcall.java:244) @ okhttp3.realcall$applicationinterceptorchain.proceed(realcall.java:201) @ okhttp3.realcall.getresponsewithinterceptorchain(realcall.java:163) @ okhttp3.realcall.execute(realcall.java:57) @ it.test.main.main(main.java:48)

using request header "connection: close" (so not reusing connection) problem doesn't occur.

this working main reporting proplem. uses okhttp v3.3.0 , okio v1.8.0

public static void main(string[] args) { try {     string url200 = "http://www.cmsservice.provahosting.it/index.php?option=com_cmsmanager&key=ca25131a2f77fb2b80d82e63412fdc13&debug=1&cmd=status";     string url204 = "http://www.cmsservice.provahosting.it/index.php?option=com_cmsmanager&key=ca25131a2f77fb2b80d82e63412fdc13&debug=1&cmd=getupdates";      okhttpclient client = new okhttpclient.builder()             .connecttimeout(20, timeunit.seconds)             .readtimeout(20, timeunit.seconds).build();      //first request     request request = new request.builder()             .url(url200)/*.addheader("connection", "close")*/             .build();      response response = client.newcall(request).execute();     system.out.println(response.code()+">>>>" + response.body().string().getbytes().length + "<<<<");     response.body().close();      //second request     request request2 = new request.builder()             .url(url204)/*.addheader("connection", "close")*/             .build();     response = client.newcall(request2).execute();     system.out.println(response.code()+">>>>" + response.body().string().getbytes().length + "<<<<");     response.body().close();      //third request     request request3 = new request.builder()             .url(url200)/*.addheader("connection", "close")*/             .build();     response = client.newcall(request3).execute();     system.out.println(response.code()+">>>>" + response.body().string().getbytes().length + "<<<<");     response.body().close();  } catch (exception e) {     e.printstacktrace(); }

could me understanding i'm missing or if bug? tnx

looks webserver claiming prior response has no body, writing 4 character body “null”. report problem webserver’s maintainers , should fix it.


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