<%@ page language="java" %> <%@ page import="org.apache.xerces.parsers.SAXParser, org.apache.xerces.framework.XMLParser, org.xml.sax.InputSource, java.io.StringReader, org.jboss.mx.loading.ClassLoaderUtils" %> Use Case Testing Legacy XML Parser This web application is used to test if isolation of JBOSS xerces version is succesfull.
The jboss-web.xml file has java2ClassLoadingCompliance=false <% // run test try { // Create the legacy parser instance Object parser = new org.apache.xerces.parsers.SAXParser(); StringBuffer info = new StringBuffer("Legacy SAXParser info: "); ClassLoaderUtils.displayClassInfo(parser.getClass(), info); out.println("
");
      out.println(info);
      out.println("
"); if (parser instanceof org.apache.xerces.framework.XMLParser) { out.println("Test Successfull!!"); out.println("

Was able to create a instance of SAXParser that extends XMLParser (this class doesn't exist in Jboss version of Xerces). class="+ parser.getClass()); out.println("Test Successfull!!"); } else { out.println("Test failed. The SAXParser that was created wasn't a subclass of XMLParser. This means that the Isolation from Jboss's newer xerces parser was not succesfull (newer SAXParser class doesn't extend XMLParser)."); throw new ServletException("SAXParser was not a org.apache.xerces.framework.XMLParser, "+info); } } catch (java.lang.VerifyError e) { out.println("Test failed. VerifyError has occured. Isolation from Jboss's newer xerces parser was not succesfull. Exception = "+ e); throw new ServletException("Test failed with VerifyError", e); } catch (Throwable e) { out.println("Test failed. Not sure why! Error = "+ e); throw new ServletException("Test failed with VerifyError", e); } %>