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From "Christian Gosch (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AXIS2-4386) Add some tolerance to BuilderUtil.validateCharSetEncoding()
Date Wed, 17 Jun 2009 13:34:12 GMT

    [ https://issues.apache.org/jira/browse/AXIS2-4386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12720663#action_12720663
] 

Christian Gosch commented on AXIS2-4386:
----------------------------------------

Fortunately the web service in question is currently the only one my application has to talk
to -- but as far as I can see this "general" content type will cause all "usual" web services
called via this configuration being processed by my custom message builder -- right?

Or is the content type "text/xml" already somewhat specific (and not simply the "usual default
type")?

(This question may also be useful for other readers of this thread having to deal with different
web services to be called from one application.)

> Add some tolerance to BuilderUtil.validateCharSetEncoding()
> -----------------------------------------------------------
>
>                 Key: AXIS2-4386
>                 URL: https://issues.apache.org/jira/browse/AXIS2-4386
>             Project: Axis 2.0 (Axis2)
>          Issue Type: Improvement
>          Components: client-api
>    Affects Versions: 1.4.1
>         Environment: IBM WebSphere Application Server 6.0.2.29 / IBM JRE 1.4.2 SR11
>            Reporter: Christian Gosch
>
> I currently try to use a given web service which returns "inconsistent" responses concerning
the encoding setup: The HTTP header is set and claims to head an ISO-8859-1 response, but
the XML content itself claims to be of UTF-8. As far as I can see this causes my Axis2 1.4.1
client (generated based on xmlbeans 2.3) to throw the following exception:
> org.apache.axis2.AxisFault: Character Set Encoding from transport information [ISO-8859-1]
does not match with character set encoding in the received SOAP message [UTF-8]
> 	at org.apache.axis2.builder.BuilderUtil.validateCharSetEncoding(BuilderUtil.java:786)
> 	at org.apache.axis2.builder.SOAPBuilder.processDocument(SOAPBuilder.java:57)
> 	at org.apache.axis2.transport.TransportUtils.createDocumentElement(TransportUtils.java:164)
> 	at org.apache.axis2.transport.TransportUtils.createSOAPMessage(TransportUtils.java:112)
> 	at org.apache.axis2.transport.TransportUtils.createSOAPMessage(TransportUtils.java:88)
> 	at org.apache.axis2.description.OutInAxisOperationClient.handleResponse(OutInAxisOperation.java:353)
> 	at org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:416)
> 	at org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:228)
> 	at org.apache.axis2.client.OperationClient.execute(OperationClient.java:163)
> [...]
> The response itself looks like:
> "HTTP/1.1 200 OK[\r][\n]"
> "HTTP/1.1 200 OK[\r][\n]"
> "Date: Tue, 16 Jun 2009 15:02:40 GMT[\r][\n]"
> "Server: Apache-Coyote/1.1[\r][\n]"
> "X-Powered-By: Servlet 2.4; Tomcat-5.0.28/JBoss-3.2.6 (build: CVSTag=JBoss_3_2_6 date=200410140106)[\r][\n]"
> "Content-Type: text/xml;charset=ISO-8859-1[\r][\n]"
> "Content-Length: 475[\r][\n]"
> "[\r][\n]"
> "<?xm"
> "l version="1.0" encoding="UTF-8"?>[\n]"
> "<Envelope xmlns="http://schemas.xmlsoap.org/soap/envelope/" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><Body><soapenv:Fault
xmlns=""><faultcode>soapenv:Client</faultcode><faultstring>Error in parsing</faultstring><detail><detaildata>Content
is not allowed in prolog.</detaildata></detail></soapenv:Fault></Body></Envelope>"
> (as extracted from logs generated by "org.apache.commons.httpclient.Wire wire").
> Formally thats OK, but in real world it is all about interoperability, and that is: about
tolerance, as far as its clear what is "meant".
> Thus it would be nice to be able to deliberately "weaken" the validation process especially
for the encoding: It should be possible to switch of the check of XML encoding setup against
HTTP header encoding setup and instead simply use the XML encoding setup.
> Especially if a given remote service must be used, the client code implementer has no
influence on what the service returns -- she simply has to arrange her code to match the given
service. And in my case, this simply seems impossible with the released Axis2 1.4.1 client
code.

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