Struts 2 - SEVERE: Error configuring application listener of class mailread

Question

Struts 2 - SEVERE: Error configuring application listener of class mailreader2.ApplicationListener
Ol�
Hi
All
I'm getting this erro: when I run my app in struts 2, but I don't know what is going on ?
Someone can help me
What is going on?
Thanks
SEVERE: Error configuring application listener of class mailreader2.ApplicationListener
java.lang.ClassNotFoundException: mailreader2.ApplicationListener
     at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1358)
     at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204)
     at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3773)
     at org.apache.catalina.core.StandardContext.start(StandardContext.java:4337)
     at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
     at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
     at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
     at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
     at org.apache.catalina.core.StandardService.start(StandardService.java:516)
     at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
     at org.apache.catalina.startup.Catalina.start(Catalina.java:566)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
     at java.lang.reflect.Method.invoke(Unknown Source)
     at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
     at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Feb 1, 2008 10:46:31 AM org.apache.catalina.core.StandardContext listenerStart
SEVERE: Skipped installing application listeners due to previous error(s)
Feb 1, 2008 10:46:31 AM org.apache.catalina.core.StandardContext start
SEVERE: Error listenerStart
Edited by: NetoJose on Feb 1, 2008 5:33 AM

Answer 1

I think it's not a jar it's a java class on my package take a look, now i don�t know why the problem?
Look the erro :
Struts 2 - SEVERE: Error configuring application listener of class mailreader2.ApplicationListener
this is my package and a java class:
mailreader2.ApplicationListener
package mailreader2;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.apps.mailreader.dao.impl.memory.MemoryUserDatabase;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import java.io.*;
public final class ApplicationListener implements ServletContextListener {
* <p>Appication scope attribute key under which the in-memory version of
* our database is stored.</p>
public static final String DATABASE_KEY = "database";
* <p>Application scope attribute key under which the valid selection
* items for the protocol property is stored.</p>
public static final String PROTOCOLS_KEY = "protocols";
// ------------------------------------------------------ Instance Variables
* <p>The <code>ServletContext</code> for this web application.</p>
private ServletContext context = null;
* The {@link MemoryUserDatabase} object we construct and make available.
private MemoryUserDatabase database = null;
* <p>Logging output for this plug in instance.</p>
private Log log = LogFactory.getLog(this.getClass());
// ------------------------------------------------------------- Properties
* <p>The web application resource path of our persistent database storage
* file.</p>
private String pathname = "/WEB-INF/database.xml";
* <p>Return the application resource path to the database.</p>
* @return application resource path path to the database
public String getPathname() {
return (this.pathname);
* <p>Set the application resource path to the database.</p>
* @param pathname to the database
public void setPathname(String pathname) {
this.pathname = pathname;
// ------------------------------------------ ServletContextListener Methods
* <p>Gracefully shut down this database, releasing any resources that
* were allocated at initialization.</p>
* @param event ServletContextEvent to process
public void contextDestroyed(ServletContextEvent event) {
log.info("Finalizing memory database plug in");
if (database != null) {
try {
database.close();
} catch (Exception e) {
log.error("Closing memory database", e);
context.removeAttribute(DATABASE_KEY);
context.removeAttribute(PROTOCOLS_KEY);
database = null;
context = null;
* <p>Initialize and load our initial database from persistent
* storage.</p>
* @param event The context initialization event
public void contextInitialized(ServletContextEvent event) {
log.info("Initializing memory database plug in from '" +
pathname + "'");
// Remember our associated ServletContext
this.context = event.getServletContext();
// Construct a new database and make it available
database = new MemoryUserDatabase();
try {
String path = calculatePath();
if (log.isDebugEnabled()) {
log.debug(" Loading database from '" + path + "'");
database.setPathname(path);
database.open();
} catch (Exception e) {
log.error("Opening memory database", e);
throw new IllegalStateException("Cannot load database from '" +
pathname + "': " + e);
context.setAttribute(DATABASE_KEY, database);
// -------------------------------------------------------- Private Methods
* <p>Calculate and return an absolute pathname to the XML file to contain
* our persistent storage information.</p>
* @throws Exception if an input/output error occurs
private String calculatePath() throws Exception {
// Can we access the database via file I/O?
String path = context.getRealPath(pathname);
if (path != null) {
return (path);
// Does a copy of this file already exist in our temporary directory
File dir = (File)
context.getAttribute("javax.servlet.context.tempdir");
File file = new File(dir, "struts-example-database.xml");
if (file.exists()) {
return (file.getAbsolutePath());
// Copy the static resource to a temporary file and return its path
InputStream is =
context.getResourceAsStream(pathname);
BufferedInputStream bis = new BufferedInputStream(is, 1024);
FileOutputStream os =
new FileOutputStream(file);
BufferedOutputStream bos = new BufferedOutputStream(os, 1024);
byte buffer[] = new byte[1024];
while (true) {
int n = bis.read(buffer);
if (n <= 0) {
break;
bos.write(buffer, 0, n);
bos.close();
bis.close();
return (file.getAbsolutePath());
Edited by: NetoJose on Feb 1, 2008 7:25 AM