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POWhy doesn't JAXB want to validate
 

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  1. POWhy doesn't JAXB want to validate
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    <ol> <li>I wrote some Java classes and annotated them with the JAXB annotations.</li> <li>After that I used schemagen to generate an xsd.</li> <li>Then I build an object graph and marshalled it to a xml file.</li> <li>I modified the xml file so that it was not valid anymore.</li> </ol> <p>I wanted to use the xsd in the hope the JAXB unmarshalling fails. But it doesn't. Why?</p> <p>JAXB is reading a schema (if the schema XML is wrong JAXB gives an exception) but it seams that JAXB is ignoring the schema while reading.</p> <pre><code> SchemaFactory sf = SchemaFactory.newInstance(javax.xml.XMLConstants.W3C_XML_SCHEMA_NS_URI); Schema schema = sf.newSchema(getClass().getResource( "/schema1.xsd")); JAXBContext context = JAXBContext.newInstance(Customer.class); Unmarshaller unmarshaller = context.createUnmarshaller(); unmarshaller.setSchema( schema ); Customer c = JAXB.unmarshal(file, Customer.class); </code></pre> <p>The written XML starts like that:</p> <pre><code> &lt;?xml version="1.0" encoding="UTF-8" standalone="yes"?&gt; &lt;ns2:customer xmlns:ns2="http://bla.com/"&gt; </code></pre> <p>Even the attached ValidationEventCollector didn't give any information:</p> <pre><code> unmarshaller.setEventHandler(new JAXBEventCollector()); </code></pre> <p>JAXBEventCollector is:</p> <pre><code> class JAXBEventCollector extends ValidationEventCollector { @Override public boolean handleEvent(ValidationEvent event) { System.out.println(event.getLocator()); return true; } } </code></pre>
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    1. USMichael Schwert
    1. USMichael Schwert
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    2. VO
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    1. CODuplicate: http://stackoverflow.com/questions/805989/can-one-validate-marshalled-xml-with-jaxb-2-0
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      1. USlexicore
    2. COOf course not. Please take the time and read both questions carefully.
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      1. USMichael Schwert
    3. COas per lexicore exact dupe - voted to close
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      1. USRomain Hippeau
 

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