BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Character encoding in SOAP-message          BorlandTalk.com Forum Index -> Delphi WebServices SOAP View previous topic :: View next topic   Author Message Guest Posted: Mon Apr 02, 2007 8:12 am    Post subject: Character encoding in SOAP-message Hi all, We have a soap webservice built with Delphi 6. The service has a funcion with three string-paramaters, one of which is used to pass xml-data. The service gets called by another party who uses Uniface to call our webservice. They get the following error when special character are used (like "ë"): "<SOAP-ENV:faultstring>An invalid character was found in text content." When I call the service with a testtool built with D6, I can use such characters and no problem occurs. So, the call doesn't get past the soap-middelware. Here's an axample of a call, wich, when called from my machine gives no error: <?xml version='1.0' encoding='ISO-8859-1'?> <SOAP-ENV:Envelope xmlns:SOAP-ENV='http://schemas.xmlsoap.org/soap/ envelope/' xmlns:xsd='http://www.w3.org/2001/XMLSchema' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:SOAP- ENC='http://schemas.xmlsoap.org/soap/encoding/'> <SOAP-ENV:Body SOAP-ENV:encodingStyle='http://schemas.xmlsoap.org/soap/ encoding/'> <NS1:echoAdvies xmlns:NS1='urn:adviesIntf-Iadvies'> <username xsi:type='xsd:string'>test</username> <password xsi:type='xsd:string'>test</password> <query xsi:type='xsd:string'><?xml version="1.0" encoding="ISO-8859-1"?><vraag xmlns:xsi="http:// www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="c:\\source\\test\\xml\ \query.xsd"> <Special character: ë>BRN</bron></ vraag></query> </NS1:echoAdvies> </SOAP-ENV:Body> </SOAP-ENV:Envelope> Any ideas? Back to top Joe Fawcett Guest Posted: Tue Apr 03, 2007 8:13 am    Post subject: Re: Character encoding in SOAP-message <berryv (AT) gmail (DOT) com> wrote in message news:1175501188.146830.74710 (AT) p77g2000hsh (DOT) googlegroups.com... Hi all, We have a soap webservice built with Delphi 6. The service has a funcion with three string-paramaters, one of which is used to pass xml-data. The service gets called by another party who uses Uniface to call our webservice. They get the following error when special character are used (like "ë"): "<SOAP-ENV:faultstring>An invalid character was found in text content." When I call the service with a testtool built with D6, I can use such characters and no problem occurs. So, the call doesn't get past the soap-middelware. Here's an axample of a call, wich, when called from my machine gives no error: <?xml version='1.0' encoding='ISO-8859-1'?> <SOAP-ENV:Envelope xmlns:SOAP-ENV='http://schemas.xmlsoap.org/soap/ envelope/' xmlns:xsd='http://www.w3.org/2001/XMLSchema' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:SOAP- ENC='http://schemas.xmlsoap.org/soap/encoding/'> <SOAP-ENV:Body SOAP-ENV:encodingStyle='http://schemas.xmlsoap.org/soap/ encoding/'> <NS1:echoAdvies xmlns:NS1='urn:adviesIntf-Iadvies'> <username xsi:type='xsd:string'>test</username> <password xsi:type='xsd:string'>test</password> <query xsi:type='xsd:string'><?xml version="1.0" encoding="ISO-8859-1"?><vraag xmlns:xsi="http:// www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="c:\\source\\test\\xml\ \query.xsd"> <Special character: ë>BRN</bron></ vraag></query> </NS1:echoAdvies> </SOAP-ENV:Body> </SOAP-ENV:Envelope> Any ideas? Errors like that normally mean that the encoding declared in the XML, 'ISO-8859-1', in this case is not the actual encoding used. How do you specify the encoding in your service. I would suggest changing the decalration to UTF-16 or UTF-8 anyway, why restrict yourselves? -- Joe Fawcett (MVP - XML) http://joe.fawcett.name Back to top Guest Posted: Wed Apr 04, 2007 4:13 pm    Post subject: Re: Character encoding in SOAP-message On Apr 3, 9:16 am, "Joe Fawcett" <joefawc...@newsgroup.nospam> wrote: Quote: Errors like that normally mean that the encoding declared in the XML, 'ISO-8859-1', in this case is not the actual encoding used. How do you specify the encoding in your service. I would suggest changing the decalration to UTF-16 or UTF-8 anyway, why restrict yourselves? Thank you for answering. I've used a sniffer to see what actually goes over the line. I've uses different clients to test it. Using Perl I managed to reproduce the problem. When I use Perl (Soap::Lite) I can set the encoding. When I set the encoding to ISO-8859-1 the client generates an http request with in it's request-header this ISO encoding. The acual message (the soap- envelope) uses ISO-encoding (I can see the codes using the sniffer). This client generates no error. When I set the encoding to utf-8 the http header states utf-8. The actual message, though, is encoded in ISO. This version gives the soap-error. When I use a javascript-client, I can set the http-header to ISO and to utf-8. Both versions, however, code their content in uft-8!?! Neither one of these clients gives an error. It seems that the receiving soap-server knows which encoding is used, but it doesn't look at the request-header. How can the server tell which encoding is used? Thanks. Berry Back to top Joe Fawcett Guest Posted: Thu Apr 05, 2007 8:53 pm    Post subject: Re: Character encoding in SOAP-message I'm not sure as I don't know much about Delphi or your web server. If it ignores the request header for the encoding then it must be working it out from the actual file, reading the first few characters and deciding. Does that mean it's working now or do you still have a problem? -- Joe Fawcett (MVP - XML) http://joe.fawcett.name <berryv (AT) gmail (DOT) com> wrote in message news:1175685227.545085.53250 (AT) y66g2000hsf (DOT) googlegroups.com... Quote: On Apr 3, 9:16 am, "Joe Fawcett" <joefawc...@newsgroup.nospam> wrote: Errors like that normally mean that the encoding declared in the XML, 'ISO-8859-1', in this case is not the actual encoding used. How do you specify the encoding in your service. I would suggest changing the decalration to UTF-16 or UTF-8 anyway, why restrict yourselves? Thank you for answering. I've used a sniffer to see what actually goes over the line. I've uses different clients to test it. Using Perl I managed to reproduce the problem. When I use Perl (Soap::Lite) I can set the encoding. When I set the encoding to ISO-8859-1 the client generates an http request with in it's request-header this ISO encoding. The acual message (the soap- envelope) uses ISO-encoding (I can see the codes using the sniffer). This client generates no error. When I set the encoding to utf-8 the http header states utf-8. The actual message, though, is encoded in ISO. This version gives the soap-error. When I use a javascript-client, I can set the http-header to ISO and to utf-8. Both versions, however, code their content in uft-8!?! Neither one of these clients gives an error. It seems that the receiving soap-server knows which encoding is used, but it doesn't look at the request-header. How can the server tell which encoding is used? Thanks. Berry Back to top Guest Posted: Thu Apr 05, 2007 10:32 pm    Post subject: Re: Character encoding in SOAP-message On 5 apr, 17:53, "Joe Fawcett" <joefawc...@newsgroup.nospam> wrote: Quote: I'm not sure as I don't know much about Delphi or your web server. If it ignores the request header for the encoding then it must be working it out from the actual file, reading the first few characters and deciding. Does that mean it's working now or do you still have a problem? I still have the problem. I've compared the http-contents. It seems that the http-header goes over the line first., then the actual content goes over the line. The content can have a different character-encoding than the header. The first few bytes of the content are binary-data. Maybe that's how the server knows the encoding used. With my perl-testclient I can workt around the problem, but the party who's connecting to our soapserver does not (for the moment, that is. Their main developer is on vacation this week. He'll be back next week. Then I'll ask him if he can alter the http-header to see if that helps). 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