title: Unable to locate NamespaceHandler core
body: <pre><code>org.mule.api.lifecycle.InitialisationException: Initialisation Failure: Configuration problem: Unable to locate NamespaceHandler for namespace [http://www.mulesource.org/schema/mule/core/2.1]
  Offending resource: URL [file:/D:/School/EAD/CourseSVN/bart/EA3/conf/dare2date-config.xml]
  </code></pre>
  
  <p>I know that you have to add stuff you need to mule's classpath, but how can it not handle the core?</p>
  
  <p>My config:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
  &lt;mule
  xmlns="http://www.mulesource.org/schema/mule/core/2.1"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:spring="http://www.springframework.org/schema/beans"
  xmlns:http="http://www.mulesource.org/schema/mule/http/2.1"
  xmlns:vm="http://www.mulesource.org/schema/mule/vm/2.1"
  xmlns:stdio="http://www.mulesource.org/schema/mule/stdio/2.1"
  xmlns:cxf="http://www.mulesource.org/schema/mule/cxf/2.1"
  xmlns:mule-xml="http://www.mulesource.org/schema/mule/xml/2.1"
  xmlns:jms="http://www.mulesource.org/schema/mule/jms/2.1" 
  xmlns:smtps="http://www.mulesource.org/schema/mule/smtps/2.1"
  xmlns:smtp="http://www.mulesource.org/schema/mule/smtp/2.1"
  
  xsi:schemaLocation="
      http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
      http://www.mulesource.org/schema/mule/core/2.1 http://www.mulesource.org/schema/mule/core/2.1/mule.xsd
      http://www.mulesource.org/schema/mule/stdio/2.1 http://www.mulesource.org/schema/mule/stdio/2.1/mule-stdio.xsd
      http://www.mulesource.org/schema/mule/vm/2.1 http://www.mulesource.org/schema/mule/vm/2.1/mule-vm.xsd
      http://www.mulesource.org/schema/mule/stdio/2.1 http://www.mulesource.org/schema/mule/stdio/2.1/mule-stdio.xsd
      http://www.mulesource.org/schema/mule/core/2.1 http://www.mulesource.org/schema/mule/core/2.1/mule.xsd 
      http://www.mulesource.org/schema/mule/xml/2.1 http://www.mulesource.org/schema/mule/xml/2.1/mule-xml.xsd
      http://www.mulesource.org/schema/mule/jms/2.1 http://www.mulesource.org/schema/mule/jms/2.1/mule-jms.xsd        
      http://www.mulesource.org/schema/mule/smtp/2.1 http://www.mulesource.org/schema/mule/smtp/2.1/mule-smtp.xsd
      http://www.mulesource.org/schema/mule/smtps/2.1 http://www.mulesource.org/schema/mule/smtps/2.1/mule-smtps.xsd      
      http://www.mulesource.org/schema/mule/cxf/2.1 http://www.mulesource.org/schema/mule/cxf/2.1/mule-cxf.xsd
  "&gt;
  
  ...etc
  </code></pre>