title: Xmlstarlet using --inplace option in updating xml
body: <p>im trying to update one xml tag using --inplace global option as shown below</p>
  
  <pre><code> xml ed  --inplace -N x="http://java.sun.com/xml/ns/j2ee" -u "//x:web-app/x:filter/x:init-param/x:param-value" -v "/cuadmin/showRecovery.do" WEB-INF/web.xml 
  </code></pre>
  
  <p>Above is giving me error </p>
  
  <pre><code>**I/O warning : failed to load external entity "x=http%3A//java.sun.com/xml/ns/j2ee"**
  </code></pre>
  
  <p>The xml im trying to modify looks like below :-</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
  &lt;web-app xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.4" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"&gt;
    &lt;filter&gt;
      &lt;filter-name&gt;recoveryRedirectFilter&lt;/filter-name&gt;
      &lt;filter-class&gt;ClassName&lt;/filter-class&gt;
      &lt;init-param&gt;
        &lt;param-name&gt;somename&lt;/param-name&gt;
        &lt;param-value&gt;Someurl.do&lt;/param-value&gt;
      &lt;/init-param&gt;
    &lt;/filter&gt;
  &lt;/web-app&gt;
  </code></pre>