Why is it that No HTTP resource was found that matches the request URI here

Question

I have code in my controller like so    Route  api deliveryitems InsertIntoPPTData  stringifiedRecord          and I m calling it via Postman like so       http   localhost 21609 api deliveryitems InsertIntoPPTData  stringifiedRecord serNum77 tx2 siteNum2 bla2 xml ppt user2 tx memo2 file beg2 file end2      but get     Message   No HTTP resource was found that matches the request URI       http   localhost 21609 api deliveryitems InsertIntoPPTData    stringifiedRecord serNum77 tx2 siteNum2 bla2 xml ppt user2 tx memo2 file beg2 file end2    MessageDetail   No type was found that matches the controller named  deliveryitems        Other REST methods that are created and called in the same way are found just fine - why not this one  The only thing it does not have in common with the others is that it is a HttpPost  whereas the others are HttpGet  Does that make that much of a difference  I am selecting  Post  from the dropdown in Postman when trying to call this REST method   UPDATE  Yes  it apparently has nothing to do with it being a Post and passing args in the URI  because I m getting the same thing now with an HttpGet method     Message   No HTTP resource was found that matches the request URI       http   localhost 21609 api department getndeptsfromid firstId 2 amp countToFetch 12    MessageDetail   No action was found on the controller  Department  that matches the request       I m calling it from postman like so   http   localhost 21609 api department getndeptsfromid firstId 2 amp countToFetch 12      and it does indeed appear in my controller    HttpGet   Route  api department getndeptsfromid  firstId   countToFetch     public List lt Department gt  GetNDepartmentsFromID int FirstId  int CountToFetch        return CCRService GetNDepartmentsFromID FirstId  CountToFetch       UPDATE 2  I thought I was about to solve it when I changed this code   String Format  api department getndeptsfromid  0   1    FirstId  CountToFetch       to this   String Format  api department getndeptsfromid firstId  0  amp countToFetch  1    FirstId  CountToFetch       but I still get the same err msg     UPDATE 3  I find that this also is not working   http   localhost 21609 api delivery invnumbyid ID 33      and so there is a definite pattern  EVERY REST API call I make that contains args params fails in this same way  all of the others  http   localhost 21609 api deliveries Count  http   localhost 21609 api deliveryitems count  http   localhost 21609 api department getall  work just fine  IOW  if there are no args in the URI  the method is discovered  If there are args  it is not   So apparently there s either something wrong with how I m passing the args vals in the URI  appending      in the case of a single arg and  in the case of two args     amp     and or there s something wrong with how I set up the routing  Specifically  this style works    Route  api Deliveries Count         whereas this style does not    Route  api delivery invnumbyid  ID       I will bountify this question ASAP - 50 points to the untangler of this Gordiesque knot  and 100 if it s answered today  prior to the setting up of the bounty    UPDATE 4  I changed the routing to include the data type of the arg so that this    Route  api delivery invnumbyid  ID       -became  this    Route  api delivery invnumbyid  ID int        But it still failed  growling     Message   No HTTP resource was found that matches the request URI   http   localhost 21609 api delivery invnumbyid ID 45    MessageDetail   No action was found on the controller  Delivery  that matches the request       Then   on a lark   I tried entering this into Postman   http   localhost 21609 api delivery invnumbyid 45      and it worked   I had been thinking it needed to be  http   localhost 21609 api delivery invnumbyid ID 45    But a similar attempt in Postman   http   localhost 21609 api department getndeptsfromid 2 12       continues to fail with  No value given for one or more required parameters   even though this is hit    HttpGet   Route  api department getndeptsfromid  firstId   countToFetch     public List lt Department gt  GetNDepartmentsFromID int FirstId  int CountToFetch        return HHSService GetNDepartmentsFromID FirstId  CountToFetch          and the args to GetNDepartmentsFromID   has the expected vals  2 and 12   Even worse weirder is the result I get with  http   localhost 21609 api deliveryitems InsertIntoPPTData serNum77 tx2 siteNum2 bla2 xml ppt user2 tx memo2 file beg2 file end2  now    lt  DOCTYPE html PUBLIC  -  W3C  DTD XHTML 1 0 Strict  EN   http   www w3 org TR xhtml1 DTD xhtml1-strict dtd  gt   lt html     xmlns  http   www w3 org 1999 xhtml  gt       lt head gt           lt title gt IIS 8 0 Detailed Error - 404 0 - Not Found lt  title gt           lt style type  text css  gt               lt  --  body margin 0 font-size  7em font-family Verdana Arial Helvetica sans-serif    code margin 0 color  006600 font-size 1 1em font-weight bold     config source code font-size  8em color  000000    pre margin 0 font-size 1 4em word-wrap break-word    ul ol margin 10px 0 10px 5px    ul first ol first margin-top 5px    fieldset padding 0 15px 10px 15px word-break break-all     summary-container fieldset padding-bottom 5px margin-top 4px    legend no-expand-all padding 2px 15px 4px 10px margin 0 0 0 -12px    legend color  333333  margin 4px 0 8px -12px  margin-top 0px   font-weight bold font-size 1em    a link a visited color  007EFF font-weight bold    a hover text-decoration none    h1 font-size 2 4em margin 0 color  FFF    h2 font-size 1 7em margin 0 color  CC0000    h3 font-size 1 4em margin 10px 0 0 0 color  CC0000    h4 font-size 1 2em margin 10px 0 5px 0     header width 96  margin 0 0 0 0 padding 6px 2  6px 2  font-family  trebuchet MS  Verdana sans-serif    color  FFF background-color  5C87B2     content margin 0 0 0 2  position relative     summary-container  content-container background  FFF width 96  margin-top 8px padding 10px position relative     content-container p margin 0 0 10px 0     details-left width 35  float left margin-right 2      details-right width 63  float left overflow hidden     server version width 96   height 1px min-height 1px margin 0 0 5px 0 padding 11px 2  8px 2  color  FFFFFF    background-color  5A7FA5 border-bottom 1px solid  C1CFDD border-top 1px solid  4A6C8E font-weight normal    font-size 1em color  FFF text-align right     server version p margin 5px 0    table margin 4px 0 4px 0 width 100  border none    td th vertical-align top padding 3px 0 text-align left font-weight normal border none    th width 30  text-align right padding-right 2  font-weight bold    thead th background-color  ebebeb width 25      details-right th width 20     table tr alt td table tr alt th     highlight-code color  CC0000 font-weight bold font-style italic     clear clear both     preferred padding 0 5px 2px 5px font-weight normal background  006633 color  FFF font-size  8em    -- gt           lt  style gt       lt  head gt       lt body gt           lt div id  content  gt               lt div class  content-container  gt                   lt h3 gt HTTP Error 404 0 - Not Found lt  h3 gt                   lt h4 gt The resource you are looking for has been removed  had its name changed  or is temporarily unavailable  lt  h4 gt               lt  div gt               lt div class  content-container  gt                   lt fieldset gt                       lt h4 gt Most likely causes  lt  h4 gt                       lt ul gt                           lt li gt The directory or file specified does not exist on the Web server  lt  li gt                           lt li gt The URL contains a typographical error  lt  li gt                           lt li gt A custom filter or module  such as URLScan  restricts access to the file  lt  li gt                       lt  ul gt                   lt  fieldset gt               lt  div gt               lt div class  content-container  gt                   lt fieldset gt                       lt h4 gt Things you can try  lt  h4 gt                       lt ul gt                           lt li gt Create the content on the Web server  lt  li gt                           lt li gt Review the browser URL  lt  li gt                           lt li gt Check the failed request tracing log and see which module is calling SetStatus  For more information  click                               lt a href  http   go microsoft com fwlink  LinkID 66439  gt here lt  a gt                             lt  li gt                       lt  ul gt                   lt  fieldset gt               lt  div gt               lt div class  content-container  gt                   lt fieldset gt                       lt h4 gt Detailed Error Information  lt  h4 gt                       lt div id  details-left  gt                           lt table border  0  cellpadding  0  cellspacing  0  gt                               lt tr class  alt  gt                                   lt th gt Module lt  th gt                                   lt td gt  amp nbsp  amp nbsp  amp nbsp IIS Web Core lt  td gt                               lt  tr gt                               lt tr gt                                   lt th gt Notification lt  th gt                                   lt td gt  amp nbsp  amp nbsp  amp nbsp MapRequestHandler lt  td gt                               lt  tr gt                               lt tr class  alt  gt                                   lt th gt Handler lt  th gt                                   lt td gt  amp nbsp  amp nbsp  amp nbsp StaticFile lt  td gt                               lt  tr gt                               lt tr gt                                   lt th gt Error Code lt  th gt                                   lt td gt  amp nbsp  amp nbsp  amp nbsp 0x80070002 lt  td gt                               lt  tr gt                           lt  table gt                       lt  div gt                       lt div id  details-right  gt                           lt table border  0  cellpadding  0  cellspacing  0  gt                               lt tr class  alt  gt                                   lt th gt Requested URL lt  th gt                                   lt td gt  amp nbsp  amp nbsp  amp nbsp http   localhost 21609 api deliveryitems InsertIntoPPTData serNum77 tx2 siteNum2 bla2 xml ppt user2 tx memo2 file beg2 file end2 lt  td gt                               lt  tr gt                               lt tr gt                                   lt th gt Physical Path lt  th gt                                   lt td gt  amp nbsp  amp nbsp  amp nbsp C  project git CStore HHS API api deliveryitems InsertIntoPPTData serNum77 tx2 siteNum2 bla2 xml ppt user2 tx memo2 file beg2 file end2 lt  td gt                               lt  tr gt                               lt tr class  alt  gt                                   lt th gt Logon Method lt  th gt                                   lt td gt  amp nbsp  amp nbsp  amp nbsp Anonymous lt  td gt                               lt  tr gt                               lt tr gt                                   lt th gt Logon User lt  th gt                                   lt td gt  amp nbsp  amp nbsp  amp nbsp Anonymous lt  td gt                               lt  tr gt                               lt tr class  alt  gt                                   lt th gt Request Tracing Directory lt  th gt                                   lt td gt  amp nbsp  amp nbsp  amp nbsp C  Users clay Documents IISExpress TraceLogFiles HHS API lt  td gt                               lt  tr gt                           lt  table gt                           lt div class  clear  gt  lt  div gt                       lt  div gt                   lt  fieldset gt               lt  div gt               lt div class  content-container  gt                   lt fieldset gt                       lt h4 gt More Information  lt  h4 gt     This error means that the file or directory does not exist on the server  Create the file or directory and try the request again                         lt p gt                           lt a href  http   go microsoft com fwlink  LinkID 62293 amp amp IIS70Error 404 0 0x80070002 7601  gt View more information  amp raquo  lt  a gt                       lt  p gt                   lt  fieldset gt               lt  div gt           lt  div gt       lt  body gt   lt  html gt       Que demonios   I sadly smilingly remember that there is always one more gargoyle hiding behind the rustling curtain  where Robinson Jeffers and Edgar Allen Poe are seemingly wrestling   Palely loitering     UPDATE 5  Okay  here it is stated differently   From Postman  if I use this URL    http   localhost 21609 api department getndeptsfromid 2 12    I make it into this method    HttpGet   Route  api department getndeptsfromid  firstId   countToFetch     public List lt Department gt  GetNDepartmentsFromID int FirstId  int CountToFetch        return HHSService GetNDepartmentsFromID FirstId  CountToFetch          where the value of FirstId is 2  and the value of CountToFetch is 12  as I would expect them to be   But then  Postman sends back my package with the notation   500 No value given for one or more required parameters      Que demonios  Both parameters were obviously passed   If I use a URI that would seem more correct   http   localhost 21609 api department getndeptsfromid firstId 2 amp countToFetch 12   I get     Message   No HTTP resource was found that matches the request URI     http   localhost 21609 api department getndeptsfromid firstId 2 amp countToFetch 12    MessageDetail   No action was found on the controller  Department  that matches the request       Yet this is the route that I ve provided    Route  api department getndeptsfromid  firstId   countToFetch          and so I would say that I did  in fact  provide a matching action on the controller And  BTW  if I just enter this as the URI into Postman   http   localhost 21609 api department getndeptsfromid      and then use Postman s  URL Parameter Key   Value  interface to add those  it generates the exact same URL as above  as can be seen here        and with the exact same result   I can only say it again  pardon my  Las Uvas de la Ira -inspired Spanish     Que demonios

User · Answer

Have you tried using the  FromUri  attribute when sending parameters over the query string   Here is an example    HttpGet   Route  api department getndeptsfromid    public List lt Department gt  GetNDepartmentsFromID  FromUri int FirstId   FromUri  int CountToFetch        return HHSService GetNDepartmentsFromID FirstId  CountToFetch       Include this package at the top also  using System Web Http

User · Answer

Please check the class you inherited  Whether  it is simply Controller or APIController   By mistake we might create a controller from MVC 5 controller  It should be from Web API Controller

User · Answer

I had that problem  if you are calling your REST Methods from another Assembly you must be sure that all your references have the same version as your main project references  otherwise will never find your controllers   Regards

User · Answer

Try this mate  you can chuck it in the body like so          HttpPost       Route    API ChangeTheNameIfNeeded        public bool SampleCall  FromBody JObject data                var firstName   data  firstName   ToString            var lastName  data  lastName   ToString            var email   data  email   ToString            var obj  data  toLastName   ToObject lt SomeObject gt              return  someService DoYourBiz firstName  lastName  email  obj

User · Answer

I got the similiar issue  and resolved it by the following   The issue looks not related to the Route definition but definition of the parameters  just need to give it a default value   ----Code with issue  Message   No HTTP resource was found that matches the request URI       HttpGet       Route  students list        public StudentListResponse GetStudents int  ClassId  int  GradeId                           ----Code without issue        HttpGet       Route  students list        public StudentListResponse GetStudents int  ClassId null  int  GradeId null

User · Answer

Your problems have nothing to do with POST GET but only with how you specify parameters in RouteAttribute  To ensure this  I added support for both verbs in my samples   Let s go back to two very simple working examples    Route  api deliveryitems  anyString      HttpGet  HttpPost  public HttpResponseMessage GetDeliveryItemsOne string anyString        return Request CreateResponse lt string gt  HttpStatusCode OK  anyString       And    Route  api deliveryitems     HttpGet  HttpPost  public HttpResponseMessage GetDeliveryItemsTwo string anyString    default         return Request CreateResponse lt string gt  HttpStatusCode OK  anyString       The first sample says that the  anyString  is a path segment parameter  part of the URL    First sample example URL is    localhost xxx api deliveryItems dkjd dslkf dfk kkklm oeop   returns  dkjd dslkf dfk kkklm oeop     The second sample says that the  anyString  is a query string parameter  optional here since a default value has been provided  but you can make it non-optional by simply removing the default value    Second sample examples URL are    localhost xxx api deliveryItems anyString dkjd dslkf dfk kkklm oeop   returns  dkjd dslkf dfk kkklm oeop   localhost xxx api deliveryItems   returns  default     Of course  you can make it even more complex  like with this third sample    Route  api deliveryitems     HttpGet  HttpPost  public HttpResponseMessage GetDeliveryItemsThree string anyString  string anotherString    anotherDefault         return Request CreateResponse lt string gt  HttpStatusCode OK  anyString          anotherString       Third sample examples URL are    localhost xxx api deliveryItems anyString dkjd dslkf dfk kkklm oeop   returns  dkjd dslkf dfk kkklm oeop  anotherDefault   localhost xxx api deliveryItems   returns  No HTTP resource was found that matches the request URI       parameter anyString is mandatory   localhost xxx api deliveryItems anotherString bluberb amp anyString dkjd dslkf dfk kkklm oeop   returns  dkjd dslkf dfk kkklm oeop  bluberb  note that the parameters have been reversed  which does not matter  this is not possible with  URL-style  of first example    When should you use path segment or query parameters  Some advice has already been given here  REST API Best practices  Where to put parameters

User · Answer

WebApiConfig Register GlobalConfiguration Configuration   should be on top

User · Answer

Just make sure that the controller name is the same as yours DeliveryController if you renamed it  it will not change automatically    if you rename the project name too you should delete the reference to this project from the Bin folder  Don t forget to specify the method get or post

User · Answer

You need to map the unique route to specify your parameters as query elements  In RouteConfig cs  or WebApiConfig cs  add   config Routes MapHttpRoute              name   MyPagedQuery               routeTemplate       api  controller   action   firstId   countToFetch                defaults  new   action    GetNDepartmentsFromID

User · Answer

If it is a GET service  then you need to use it with a GET method  not a POST method   Your problem is a type mismatch   A different example of type mismatch  to put severity into perspective  is trying to assign a string to an integer variable

[c#] Why is it that "No HTTP resource was found that matches the request URI" here?

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