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https://issues.apache.org/jira/browse/CAMEL-4143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13053686#comment-13053686
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Nickolay Martinov commented on CAMEL-4143:
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The problem is not that there is ClassCastException. The problem is that
sometimes converter returns Element and sometimes it returns Document. Behavior
should be at least stable. Ideally behavior should be predictable.
> CxfPayload to Node conversion is not working properly
> ------------------------------------------------------
>
> Key: CAMEL-4143
> URL: https://issues.apache.org/jira/browse/CAMEL-4143
> Project: Camel
> Issue Type: Bug
> Components: camel-cxf
> Affects Versions: 2.8.0
> Reporter: Alexey Venderov
> Priority: Minor
> Attachments: CxfPayloadConverter.patch
>
>
> We are using {{camel-cxf}} component and building it from the sources. Also
> we have slightly modified {{CxfPayloadConverterTest.testCxfPayloadToNode}}
> test, added some additional checks. Here are the changes that were made to
> the test:
> {code:borderStyle=solid}
> Index: CxfPayloadConverterTest.java
> ===================================================================
> --- CxfPayloadConverterTest.java (revision 6644)
> +++ CxfPayloadConverterTest.java (revision 6686)
> @@ -49,6 +49,7 @@
> DocumentBuilderFactory documentBuilderFactory =
> DocumentBuilderFactory.newInstance();
> + documentBuilderFactory.setNamespaceAware(true);
> DocumentBuilder documentBuilder =
> documentBuilderFactory.newDocumentBuilder();
> document = documentBuilder.parse(file);
> document.getDocumentElement().normalize();
> @@ -118,5 +119,13 @@
> exchange.getIn().setBody(payload);
> node = exchange.getIn().getBody(Node.class);
> assertNotNull(node);
> + Element root = (Element) node;
> + assertEquals("root element name", "root", root.getNodeName());
> + assertEquals("root element namespace", "http://www.test.org/foo";,
> + root.getNamespaceURI());
> + Element bar = (Element) root.getElementsByTagName("bar").item(0);
> + assertEquals("child element name", "bar", bar.getNodeName());
> + assertEquals("child element namespace", "http://www.test.org/foo";,
> + bar.getNamespaceURI());
> }
> }
> {code}
> Since there is no explicit converter from {{CxfPayload}} to {{Node}} the
> fallback converter from {{CxfPayloadConverter}} is used for this conversion.
> Fallback converter from {{CxfPayloadConverter}} under the hood uses
> converters from {{XmlConverter}}. There are two suitable converters in
> {{XmlConverter}} class which are randomly selected. Some times {{public
> Element toDOMElement(Node node)}} converter is used and some times {{public
> Document toDOMDocument(final Node node)}} converter is used. If {{public
> Document toDOMDocument(final Node node)}} converter is used then test fails
> with {{ClassCastException}}. To avoid this, explicit converter from
> {{CxfPayload}} to {{Node}} should be added. Patch that adds {{CxfPayload}} to
> {{Node}} converter is provided.
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