Thanks Mike,

You are correct. I'm mistaken about UTF-8. It is URL Encoding.

Regards,
Rajah

On Thu, Jul 10, 2008 at 3:33 PM, Mike Greenawalt <[EMAIL PROTECTED]>
wrote:

> The codes you find strange are not UTF-8 codes. For normal
> English letters and punctuation, UTF-8 encodings are exactly the same as
> ASCII encodings. For lesser-used characters beyond x080 in ASCII, UTF-8
> begins to employ 2- and 3-byte encodings, which can lead to some very
> strange appearances as ASCII - but not as "%xx".  The "%xx" notation is
> everyday URL encoding (Percent-encoding) of characters. See:
> http://en.wikipedia.org/wiki/Percent-encoding for some background.
> Percent-encoding has the ASCII code of each character displayed as 2 hex
> digits with a '%' in front. In this case %3B is the ASCII code for ';' with
> a '%' prepended, and %3D is likewise the ASCII code for '='.
>
> A URL sent to a web server should be able to be completely percent-encoded
> or partially percent-encoded and the web server should not care.
> http://foo.com/AAA and http://foo.com/%041%041%041 should produce the same
> result, but the form with 'AAA' is shorter.
>
> I recommend http://www.joelonsoftware.com/articles/Unicode.html to you
> as a good tutorial on characters and encodings. Joel Spolsky explains
> things very well.
>
> It is hard to see why those percent encodings would cause a problem.
> Sorry, I cannot help any more.
>
> -- Mike
>
> Rajah Kalipatnapu wrote:
>
>> I've created an ivr web app using OpenVXML studio. The process is smooth.
>> I  exported it as a webapp and deployed with Tomcat.
>>
>> I'm using vxml browsers VoiceGlue (open source) and VXI* VoiceXML demo
>> versions to prototype and evaluate the solution for our application.
>>
>> The  problem we are facint is observed with both the browsers.
>>
>> This is the problem.
>>
>> 1. When the call started the initial/root vxml is downloaded and parsed
>> fine.
>> 2. The next URL sent to Tomcat
>> 3.  Tomcat sends 404/402.
>> 4. Call drops.
>>
>> Observations:
>>
>> 1. Actual URL -
>> http://localhost:9090/mediaivrapp/-/next;jsessionid=B75CD6DCECB6A1202F1D29155C23B5F7?cbb0fc79382a4f039e6f8eb5fef8b1cd=success.filled&ANI=781871222&DNIS=617428444<
>> http://localhost:9090/mediaivrapp/-/next;jsessionid=B75CD6DCECB6A1202F1D29155C23B5F7?cbb0fc79382a4f039e6f8eb5fef8b1cd=success.filled&ANI=781871222&DNIS=617428444
>> >
>>
>> 2. URL logged at Tomcat
>>  
>> /mediaivrapp/-/next%3Bjsessionid%3DB75CD6DCECB6A1202F1D29155C23B5F7?cbb0fc79382a4f039e6f8eb5fef8b1cd=success.filled&ANI=781871222&DNIS=617428444
>>
>> The problem seems to be due to the fact that Tomcat does not support UTF-8
>> by default.  For example VoiceGlue and i6.net <http://i6.net> voicexml
>> browsers both sending the URL in the form shown in 2.
>>
>> As you see the ";' and "=" characters are converted to UTF-8 Ascii codes
>> by the voice xml browser and this seems to be causing the Tomcat not to map
>> it to the right resource and return 404.
>>
>> Where as if I manually treverse through the VXML using IE it works fine
>> and IE sends the URL in ISO-8859-1 format and does not convert them to
>> UTF-8.
>>
>> This is the peice of information, I found.
>>
>> "ISO-8859-1 to UTF-8. ISO-8859-1 is the default character encoding for
>> servers and browsers according to the  HTTP specification section 3.4.1.<
>> http://3.4.1.>"
>>
>> And it seems Tomcat is also by default using ISO-8859-1.
>>
>> I've modified Tomcat server.xml to add UTF-8 encoing in the Connector. But
>> still it didn't work.
>>
>> This is blocking our validation of OPenVXML and VoiceGlue.  I appreciate
>> and help.
>>
>> Thanks in Advance,
>>
>> Rajah
>> ------------------------------------------------------------------------
>>
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>>
>
>
>
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