Run self-hosted OWIN application in Azure Web Apps -


it possible run suave.io app on azure web apps because of iis8 feature called httpplatformhandler. tried run self-hosted owin application same way, got exception on startup:

unhandled exception: system.reflection.targetinvocationexception: exception has been thrown target of invocation. ---> system.net.httplistenerexception: access denied    @ system.net.httplistener.setupv2config()    @ system.net.httplistener.start()    @ microsoft.owin.host.httplistener.owinhttplistener.start(httplistener listener, func`2 appfunc, ilist`1 addresses, idictionary`2 capabilities, func`2 loggerfactory)    @ microsoft.owin.host.httplistener.owinserverfactory.create(func`2 app, idictionary`2 properties)    --- end of inner exception stack trace ---    @ system.runtimemethodhandle.invokemethod(object target, object[] arguments, signature sig, boolean constructor)    @ system.reflection.runtimemethodinfo.unsafeinvokeinternal(object obj, object[] parameters, object[] arguments)    @ system.reflection.runtimemethodinfo.invoke(object obj, bindingflags invokeattr, binder binder, object[] parameters, cultureinfo culture)    @ microsoft.owin.hosting.serverfactory.serverfactoryadapter.create(iappbuilder builder)    @ microsoft.owin.hosting.engine.hostingengine.startserver(startcontext context)    @ microsoft.owin.hosting.engine.hostingengine.start(startcontext context)    @ microsoft.owin.hosting.starter.directhostingstarter.start(startoptions options)    @ microsoft.owin.hosting.starter.hostingstarter.start(startoptions options)    @ microsoft.owin.hosting.webapp.startimplementation(iserviceprovider services, startoptions options)    @ microsoft.owin.hosting.webapp.start(startoptions options)    @ microsoft.owin.hosting.webapp.start[tstartup](startoptions options)    @ microsoft.owin.hosting.webapp.start[tstartup](string url)    @ webappsample.program.main(string[] args) in c:\users\egger\workspace\webappsample\webappsample\program.cs:line 14

it seems not allowed open port. web.config looks this: 

<?xml version="1.0" encoding="utf-8"?> <configuration>     <system.webserver>         <handlers>             <remove name="httpplatformhandler" />             <add name="httpplatformhandler" path="*" verb="*" modules="httpplatformhandler" resourcetype="unspecified" />         </handlers>         <httpplatform             stdoutlogenabled="true"             stdoutlogfile="site.log"             startuptimelimit="20"             processpath="%home%\site\wwwroot\webappsample.exe"             arguments="%http_platform_port%">         </httpplatform>     </system.webserver> </configuration>

i use http_platform_port listen on right port. web app starts server follows: 

class program {     static void main(string[] args)     {         var port = int.parse(args[0]);         var url = string.format("http://127.0.0.1:{0}", port);         console.writeline("starting web app @ {0}", url);         using (webapp.start<startup>(url))         {             console.readline();         }     } } public class startup {     public void configuration(iappbuilder app)     {         app.useerrorpage();         app.usewelcomepage("/");     } }

the url seems ok because output this: starting web app @ http://127.0.0.1:32880.

the web.config , binaries in root directory , published app using local git repo.

why can't open port using owin? what's different suave.io sample?

edit: saw there request support exact scenario: https://feedback.azure.com/forums/169385-web-apps-formerly-websites/suggestions/4606121-support-owin-self-hosting-in-azure-websites

i had same problem. solved running visual studio admin.

(you may need restart azure emulator well)


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