Hi ,
I have faced similar problem before. Nothing to do with GWT in
this. Contact the remote server people where you deployed your
application. Probably they are using Apache server only. Tell them to
integrate Tomcat with Apache.
On Feb 15, 2:23 pm, gerry <[email protected]> wrote:
> Hi all,
>
> I have a very strange problem I have not been able to debug the last 3
> days. I am using GWT 2.4, and the problem happens only on the remote
> server. Not in development mode, nor on a Tomcat I have installed on
> my PC.
>
> My application needs to contact a web service that runs on an external
> server. So I created a servlet that calls this web service using GET,
> like this:
> HttpsURLConnection connection = (HttpsURLConnection)
> url.openConnection();
> connection.setHostnameVerifier(new CustomizedHostnameVerifier());
> and then I read the response in an input stream.
> CustomizedHostnameVerifier is a hostname verifier I created to verify
> the self-signed certificate we are using. In the client's "onSuccess"
> I read this input stream as a string.
>
> It used to work perfectly, but the last days, every rpc call fails
> with this message:
>
> com.google.gwt.user.client.rpc.StatusCodeException: 501
> <html><head><title>Apache Tomcat/6.0.28 - Rapport d'erreur</
> title><style><!--H1 {font-family:Tahoma,Arial,sans-
> serif;color:white;background-color:#525D76;font-size:22px;} H2 {font-
> family:Tahoma,Arial,sans-serif;color:white;background-
> color:#525D76;font-size:16px;} H3 {font-family:Tahoma,Arial,sans-
> serif;color:white;background-color:#525D76;font-size:14px;} BODY {font-
> family:Tahoma,Arial,sans-serif;color:black;background-color:white;} B
> {font-family:Tahoma,Arial,sans-serif;color:white;background-
> color:#525D76;} P {font-family:Tahoma,Arial,sans-
> serif;background:white;color:black;font-size:12px;}A {color : black;}
> A.name {color : black;}HR {color : #525D76;}--></style> </
> head><body><h1>Etat HTTP 501 - Le méthode OST n'est pas définie dans
> la RFC 2068 et n'est pas supportée par l'API Servlet</h1><HR size="1"
> noshade="noshade"><p><b>type</b> Rapport d'état</p><p><b>message</b>
> <u>Le méthode OST n'est pas définie dans la RFC 2068 et n'est pas
> supportée par l'API Servlet</u></p><p><b>description</b> <u>Le serveur
> ne supporte pas la fonctionnalité demandée pour satisfaire cette
> requête (Le méthode OST n'est pas définie dans la RFC 2068 et n'est
> pas supportée par l'API Servlet).</u></p><HR size="1"
> noshade="noshade"><h3>Apache Tomcat/6.0.28</h3></body></html>
>
> Sorry for the french, it's because the remote server is in french. The
> bottom line is that "the method OST is not defined for the HTTP
> protocol", and that causes a 501 error. But where does this OST come
> from? As I said, I am using the default GET of servlet's
> "openConnection()".
>
> Even if I use POST, like this
> HttpsURLConnection connection = (HttpsURLConnection)
> url.openConnection();
> connection.setHostnameVerifier(new
> CustomizedHostnameVerifier());
> connection.setRequestMethod("POST");
> the same happens. And if I misspell and write
> "connection.setRequestMethod("OST"); ", the servlet throws as expected
> another exception, different than the above described.
>
> Please help, I am really stuck here. Thanks.
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