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https://issues.apache.org/jira/browse/AXIS2-4386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12720535#action_12720535
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Andreas Veithen commented on AXIS2-4386:
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I think it's wrong to say that interoperability is about tolerance. Also, if
the service returns two conflicting pieces of information it is not clear at
all what is "meant". Therefore I don't think we should modify Axis2 to cope
with this particular type of broken service.
Anyway, this is actually not necessary, because you can create your own
replacement for org.apache.axis2.builder.SOAPBuilder (which would be more
lenient and work with the broken service) and register it in axis2.xml.
> 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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