RE: Problems with a servlet and SAX

[Michael Brennan <Michael_Brennan@allegis.com>]

You have conflicting libraries on your classpath. You probably have both SAX and SAX2 libraries on your classpath. Make sure you only have one JAXP library -- and no other libraries including SAX libraries -- on your classpath.

-----Original Message-----
From: José Enrique Zarco [mailto:jezarco@futurespace.es]
Sent: Thursday, August 30, 2001 7:49 AM
To: xml-dev@lists.xml.org
Subject: Problems with a servlet and SAX

Hello,

 

I have a class that it creates a new instance of SAXParserFactory. When I execute main (), it works as well as I hope but if I make a servlet and I try to execute it ( the same code),  I obtain the next error:

 

java.lang.SecurityException: sealing violation

 

 at java.net.URLClassLoader.defineClass(URLClassLoader.java:234)

 

 at java.net.URLClassLoader.access$100(URLClassLoader.java:56)

 

 at java.net.URLClassLoader$1.run(URLClassLoader.java:195)

 

 at java.security.AccessController.doPrivileged(Native Method)

 

 at java.net.URLClassLoader.findClass(URLClassLoader.java:188)

 

 at java.lang.ClassLoader.loadClass(ClassLoader.java:297)

 

 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:286)

 

 at java.lang.ClassLoader.loadClass(ClassLoader.java:253)

 

 at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313)

 

 at java.lang.ClassLoader.defineClass0(Native Method)

 

 at java.lang.ClassLoader.defineClass(ClassLoader.java:486)

 

 at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:111)

 

 at java.net.URLClassLoader.defineClass(URLClassLoader.java:248)

 

 at java.net.URLClassLoader.access$100(URLClassLoader.java:56)

 

 at java.net.URLClassLoader$1.run(URLClassLoader.java:195)

 

 at java.security.AccessController.doPrivileged(Native Method)

 

 at java.net.URLClassLoader.findClass(URLClassLoader.java:188)

 

 at java.lang.ClassLoader.loadClass(ClassLoader.java:297)

 

 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:286)

 

 at java.lang.ClassLoader.loadClass(ClassLoader.java:253)

 

 at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313)

 

 at TSM.MIPG.Multiconferencia.Servlets.MIPGServletEscucha.doGet(MIPGServletEscucha.java:79)

 

 at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)

 

 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

 

 at org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java:503)

 

 at org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java:597)

 

 at org.apache.tomcat.servlets.InvokerServlet.service(InvokerServlet.java:257)

 

 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

 

 at org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java:503)

 

 at org.apache.tomcat.core.ContextManager.service(ContextManager.java:559)

 

 at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:160)

 

 at org.apache.tomcat.service.TcpConnectionThread.run(SimpleTcpEndpoint.java:338)

 

 at java.lang.Thread.run(Thread.java:484)

 

 

 

Here you are the code of the constructor.

 

 

Thanks for all.

 

 

 

 

 

 

public MIPGParseoXml(){

 

try {

 factoria=SAXParserFactory.newInstance();
 parseador = factoria.newSAXParser();
  Vector_De_salida= new Vector();

 

 }
 catch (ParserConfigurationException s) {
  s.printStackTrace();
  System.out.println("error ParserConfigurationException:"+s);
 }
 catch (SAXException s) {
  s.printStackTrace();
  System.out.println("error ParserConfigurationException:"+s);
 }
 catch(Exception E) {

    E.printStackTrace();       

 }