while I'm doing hibernate application I'm getting error.Please anybody can help me?
I have placed hiberservlet.html in webapps/root
<html>
<body bgcolor="pink">
<form method=post
action="http://localhost:8080/servlet/hiberservlet">
Name :
<input type=text name="text1"> <br><br>
Place :
<input type=text name="text2"> <br><br>
Key ( for remove and find) :
<input type=text name="text3"> <br><br>
Operation :
<select name="combo1" >
<option value="add">Add
<option value="remove">Remove
<option value="find">Find
<option value="showall">Show All
</select> <br><br>
<input type=submit>
</form>
</body>
</html>
I have placed player.hbm.xml,Hibernate.cfg.xml,player.class,hiberservlet.class in root/WEB-INF/classes folder
player.hbm.xml
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate-mapping DTD 3.2//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.2 dtd">
<hibernate-mapping>
<class name="player"
table="playertable">
<id name="id" type="int" column="ID"
unsaved-value="0">
<generator class="increment"/>
</id>
<property name="name" type="string">
<column name="name"/>
</property>
<property name="place" type="string">
<column name="place"/>
</property>
</class>
</hibernate-mapping>
hibernate.cfg.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate Configuration DTD 3.2//EN" "http://hibernate.sourceforge.net/hibernate-configuration-3.2 dtd">
<hibernate-configuration>
<session-factory>
<property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="hibernate.connection.url">jdbc:mysql://localhost/hiberdemo</property>
<property name="hibernate.connection.username">root</property>
<property name="hibernate.connection.password"></property>
<property name="hibernate.connection.pool_size">10</property>
<property name="show_sql">true</property>
<property name="dialect">org.hibernate.dialect.MYSQLDialect</property>
<property name="hibernate.hbm2ddl.auto">update</property>
<mapping resource="player.hbm.xml"/>
</session-factory>
</hibernate-configuration>
hiberservlet.java
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import org.hibernate.*;
import org.hibernate.cfg.*;
public class hiberservlet
extends HttpServlet
{
SessionFactory factory=null;
public void init()
{
try
{
Configuration cfg =
new Configuration();
cfg.addClass(player.class);
factory = cfg.buildSessionFactory();
System.out.println("factory ready");
}
catch(Exception e1)
{ System.out.println(""+e1);}
}
//====================================
public void doPost
(HttpServletRequest req,
HttpServletResponse res)
throws
ServletException,IOException
{
res.setContentType("text/html");
PrintWriter out = res.getWriter();
String a = req.getParameter("text1");
String b = req.getParameter("text2");
String c = req.getParameter("text3");
String s = req.getParameter("combo1");
DataInputStream dis=new DataInputStream(System.in);
Transaction tx = null;
if(s.equals("add"))
{
try
{
Session session = factory.openSession();
tx = session.beginTransaction();
player player1 = new player(a,b);
session.save(player1);
tx.commit();
session.flush();
session.close();
out.println("added");
}
catch(Exception e1)
{System.out.println(""+e1);}
}
//---------------------------------------
if(s.equals("remove"))
{
try
{
System.out.println("What key? ");
a = dis.readLine();
Session session = factory.openSession();
tx = session.beginTransaction();
int i = Integer.parseInt(a);
player player1 = (player)
session.get(player.class,new Integer(i));
session.delete(player1);
tx.commit();
session.flush();
session.close();
System.out.println("removed");
}catch(Exception e1)
{System.out.println(""+e1);}
}
//--------------------------------------
/*if(s.equals("showall"))
{
try
{
Session session = factory.openSession();
tx = session.beginTransaction();
java.util.List list1=
session.find("from player");
Iterator i=list1.iterator();
while(i.hasNext())
{
player player1 = (player)i.next();
System.out.println(player1.getId());
System.out.println(player1.getName());
System.out.println(player1.getPlace());
System.out.println("---------------");
}
tx.commit();
session.flush();
session.close();
}catch(Exception e1)
{System.out.println(""+e1);}
} */
if(s.equals("find"))
{
try
{
System.out.println("What key ");
a = dis.readLine();
Session session = factory.openSession();
tx = session.beginTransaction();
int i=Integer.parseInt(a);
player player1 = (player)
session.get(player.class,new Integer(i));
String n=player1.getName();
String m=player1.getPlace();
System.out.println(n+"\t"+m);
tx.commit();
session.flush();
session.close();
}catch(Exception e1)
{System.out.println(""+e1);}
}
}
}
I have created setcpath.bat and set the classpath
set classpath=.;G:\hibernate-3.2\lib\hibernate3.jar;G:\hibernate-3.2\lib\cglib-full-2.1.3.jar;G:\hibernate-3.2\lib\commons-collections-2.1.1.jar;G:\hibernate-3.2\lib\commons-logging-1.0.4.jar;G:\hibernate-3.2\lib\dom4j-1.6.1.jar;G:\hibernate-3.2\lib\ehcache-1.2.3.jar;G:\hibernate-3.2\lib\jdbc2_0-stdext.jar;G:\hibernate-3.2\lib\jta.jar;G:\hibernate-3.2\lib\log4j-1.2.11.jar;G:\hibernate-3.2\lib\xerces-2.6.2.jar;G:\hibernate-3.2\lib\xml-apis.jar;G:\hibernate-3.2\lib\commons-pool-1.2.jar;G:\hibernate-3.2\lib\commons-dpcp-1.2.1.jar;G:\hibernate-3.2\lib\mysql_connector_java_3[1].1.12_bin;G:\Program Files\Apache Software Foundation\Tomcat 5.5\common\lib\servlet-api.jar;
while I'm running on the tomcat 5.5
http://localhost:8080/hiberservlet.html page it was opening.While I'm entering the values and click the submit button it is showing the error
May 7, 2007 2:36:59 PM org.apache.coyote.http11.Http11Protocol pause
INFO: Pausing Coyote HTTP/1.1 on http-8080
May 7, 2007 2:37:00 PM org.apache.catalina.core.StandardService stop
INFO: Stopping service Catalina
May 7, 2007 2:37:00 PM org.apache.coyote.http11.Http11Protocol destroy
INFO: Stopping Coyote HTTP/1.1 on http-8080
May 7, 2007 2:37:35 PM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
May 7, 2007 2:37:35 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 828 ms
May 7, 2007 2:37:35 PM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
May 7, 2007 2:37:35 PM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/5.5.7
May 7, 2007 2:37:35 PM org.apache.catalina.core.StandardHost start
INFO: XML validation disabled
May 7, 2007 2:37:36 PM org.apache.catalina.loader.WebappClassLoader validateJarFile
INFO: validateJarFile(G:\Program Files\Apache Software Foundation\Tomcat 5.5\webapps\hiber\WEB-INF\lib\servlet-api.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
May 7, 2007 2:37:36 PM org.apache.catalina.startup.ContextConfig applicationWebConfig
INFO: Missing application web.xml, using defaults only StandardEngine[Catalina].StandardHost[localhost].StandardContext[/hiber]
May 7, 2007 2:37:36 PM org.apache.catalina.loader.WebappClassLoader validateJarFile
INFO: validateJarFile(G:\Program Files\Apache Software Foundation\Tomcat 5.5\webapps\ROOT\WEB-INF\lib\servlet-api.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
log4j:WARN No appenders could be found for logger (org.apache.catalina.session.ManagerBase).
log4j:WARN Please initialize the log4j system properly.
May 7, 2007 2:37:36 PM org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
May 7, 2007 2:37:36 PM org.apache.jk.common.ChannelSocket init
INFO: JK2: ajp13 listening on /0.0.0.0:8009
May 7, 2007 2:37:36 PM org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/31 config=null
May 7, 2007 2:37:36 PM org.apache.catalina.storeconfig.StoreLoader load
INFO: Find registry server-registry.xml at classpath resource
May 7, 2007 2:37:37 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 1344 ms
org.hibernate.InvalidMappingException: Could not parse mapping document from resource player.hbm.xml
java.lang.NullPointerException
Please can anybody help me
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