title: javax.xml.parsers.ParserConfigurationException: Unable to validate using XSD: Your JAXP provider
body: <p>I'm migrating my application from jboss4.0.2 to wildfly_9.0.1, and I'm getting the below error into wildfly startup:   </p>
  
  <pre>        
  "{\"WFLYCTL0080: Failed services\" => {\"jboss.undertow.deployment.default-server.default-host./awomweb\" => \"org.jboss.msc.service.StartException in service jboss.undertow.deployment.default-server.default-host./awomweb: java.lang.RuntimeException: org.springframework.beans.factory.BeanDefinitionStoreException: Parser configuration exception parsing XML from ServletContext resource [/WEB-INF/applicationContext.xml]; nested exception is javax.xml.parsers.ParserConfigurationException: Unable to validate using XSD: Your JAXP provider [__redirected.__DocumentBuilderFactory@4b93a3] does not support XML Schema. Are you running on Java 1.4 with Apache Crimson? Upgrade to Apache Xerces (or Java 1.5) for full XSD support.
  
              Caused by: java.lang.RuntimeException: org.springframework.beans.factory.BeanDefinitioStoreException: Parser configuration exception parsing XML from ServletContext resource [/WEB-INF/applicationContext.xml]; nested exception is javax.xml.parsers.ParserConfigurationException: Unable to validate using XSD: Your JAXP provider [__redirected.__DocumentBuilderFactory@4b93a3] does not support XML Schema. Are you running on Java 1.4 with Apache Crimson? Upgrade to Apache Xerces (or Java 1.5) for full XSD support.
  </pre>           
  
  <p>here is my applicationContext.xml file </p>
  
  <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
  
      &lt;beans xmlns="http://www.springframework.org/schema/beans"
             xmlns:util="http://www.springframework.org/schema/util"
             xmlns:aop="http://www.springframework.org/schema/aop"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
             xmlns:tx="http://www.springframework.org/schema/tx" xmlns:jee="http://www.springframework.org/schema/jee"
             xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
             http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd
             http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
             http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.1.xsd
             http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.1.xsd
             http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd"&gt;
  
  
         ---Another---code----
  
  
      &lt;/beans&gt;
  </code></pre>
  
  <p>How to fix this?</p>