quick hack for removing wrong error messages for poms with an xsd declaration

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@332953 13f79535-47bb-0310-9956-ffa450edef68

plugin/src/main/org/apache/maven/JaxpMsvBean.java

@@ -181,6 +181,14 @@ public class JaxpMsvBean
 
         public void error(SAXParseException e) throws SAXException
         {
+            if (e.getMessage() != null && e.getMessage().indexOf("xsi:schemaLocation") > -1)
+            {
+                // unexpected attribute "xsi:schemaLocation"
+                // ignore, this is due to a valid xsd declaration
+                // Jaxp ignores additionals namespaces declared in the xml file (xmlns:xsi) and it can't validate
+                // using multiple schema at once
+                return;
+            }
             errorMessage(e, MSV_ERROR);
             setValid(false);
         }