Error in Running my Hibenate Program.............

Question

hi dudes........
I am new to hibernate.......I have some errors in while Running my program using Ecllipse..
*/****Table/******
create table student(sno number(20),sname varchar(20),mobile number(10),email varchar(20));
Table created.
*//****POJO class***///**
import java.io.Serializable;
*public class Student implements Serializable {*
private int sno;
private String sname;
private long mobile;
private String email;
*public Student() {*
*public int getSno() {*
return sno;
*public void setSno(int sno) {*
this.sno = sno;
*public String getSname() {*
return sname;
*public void setSname(String sname) {*
this.sname = sname;
*public long getMobile() {*
return mobile;
*public void setMobile(long mobile) {*
this.mobile = mobile;
*public String getEmail() {*
return email;
*public void setEmail(String email) {*
this.email = email;
*/**ClientStudent.java***//*
import org.hibernate.;*
import org.hibernate.cfg.Configuration;
*class ClientStudent {*
*public static void main(String[] args) {*
*try{*
Configuration cfg= new Configuration();
cfg.configure("/hibernate.cfg.xml");
SessionFactory factory = cfg.buildSessionFactory();
Session session = factory.openSession();
Transaction tx = session.beginTransaction();
student Sto = new student();
Sto.setSno(1);
Sto.setSname("saichand");
Sto.setMobile(412171);
Sto.setEmail("[email protected]");
session.save(Sto);
tx.commit();
session.close();
*}catch(HibernateException ex)*
ex.printStackTrace();
*/****Hibernate.cfg.xml***/**
*<?xml version='1.0' encoding='UTF-8'?>*
*<!DOCTYPE hibernate-configuration PUBLIC*
*"-//Hibernate/Hibernate Configuration DTD 3.0//EN"*
*"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">*
*<!-- Generated by MyEclipse Hibernate Tools. -->*
*<hibernate-configuration>*
*<session-factory>*
*<property name="myeclipse.connection.profile">*
OracleEx
*</property>*
*<property name="connection.driver_class">*
sun.jdbc.odbc.JdbcOdbcDriver
*</property>*
*<property name="connection.url">jdbc:odbc:dfi</property>*
*<property name="connection.username">system</property>*
*<property name="connection.password">tiger</property>*
*<property name="dialect">*
org.hibernate.dialect.DB2400Dialect
*</property>*
*<property name="show_sql">true</property>*
*<property name="format_sql">true</property>*
*<property name="use_sql_comments">true</property>*
*<property name="hibernate.transaction.factory_class">*
org.hibernate.transaction.JDBCTransactionFactory
*</property>*
*<property name="hibernate.connection.autocommit">*
false
*</property>*
*<mapping resource="student.hdm.xml" />*
*</session-factory>*
*</hibernate-configuration>*
*//**student.xml***/**
*<?xml version="1.0" encoding="UTF-8"?>*
*<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">*
*<hibernate-mapping>*
*<class name="student" table="student">*
*<id name="sno" column="sno" type="integer">*
*<generator class="assigned"/>*
*</id>*
*<property name="sname" column="sname" type="string"/>*
*<property name="mobile" column="mobile" type="string"/>*
*</class>*
*</hibernate-mapping>*
These are the two .xml files........
While running this program i got the ERROR  ..........
log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment).*+
log4j:WARN Please initialize the log4j system properly.*+
Exception in thread "main" java.lang.ClassCastException: java.lang.Integer*+
at org.hibernate.type.StringType.toString(StringType.java:44)*+
at org.hibernate.type.NullableType.toLoggableString(NullableType.java:168)*+
at org.hibernate.pretty.Printer.toString(Printer.java:53)*+
at org.hibernate.pretty.Printer.toString(Printer.java:90)*+
at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:97)*+
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:26)*+
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:985)*+
at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:333)*+
at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)*+
at ClientStudent.main(ClientStudent.java:21)*+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               

Answer 1

hi dudes........
I am new to hibernate.......I have some errors in while Running my program using Ecllipse..
////Table/////
create table student(sno number(20),sname varchar(20),mobile number(10),email varchar(20));
Table created.
POJO class
import java.io.Serializable;
public class Student implements Serializable {
private int sno;
private String sname;
private long mobile;
private String email;
public Student() {
public int getSno() {
return sno;
public void setSno(int sno) {
this.sno = sno;
public String getSname() {
return sname;
public void setSname(String sname) {
this.sname = sname;
public long getMobile() {
return mobile;
public void setMobile(long mobile) {
this.mobile = mobile;
public String getEmail() {
return email;
public void setEmail(String email) {
this.email = email;
/**ClientStudent.java***//
import org.hibernate.;*
import org.hibernate.cfg.Configuration;
class ClientStudent {
public static void main(String[] args) {
try{
Configuration cfg= new Configuration();
cfg.configure("/hibernate.cfg.xml");
SessionFactory factory = cfg.buildSessionFactory();
Session session = factory.openSession();
Transaction tx = session.beginTransaction();
student Sto = new student();
Sto.setSno(1);
Sto.setSname("saichand");
Sto.setMobile(412171);
Sto.setEmail("[email protected]");
session.save(Sto);
tx.commit();
session.close();
}catch(HibernateException ex)
ex.printStackTrace();
/////Hibernate.cfg.xml//////
<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<!-- Generated by MyEclipse Hibernate Tools. -->
<hibernate-configuration>
<session-factory>
<property name="myeclipse.connection.profile">
OracleEx
</property>
<property name="connection.driver_class">
sun.jdbc.odbc.JdbcOdbcDriver
</property>
<property name="connection.url">jdbc:odbc:dfi</property>
<property name="connection.username">system</property>
<property name="connection.password">tiger</property>
<property name="dialect">
org.hibernate.dialect.DB2400Dialect
</property>
<property name="show_sql">true</property>
<property name="format_sql">true</property>
<property name="use_sql_comments">true</property>
<property name="hibernate.transaction.factory_class">
org.hibernate.transaction.JDBCTransactionFactory
</property>
<property name="hibernate.connection.autocommit">
false
</property>
<mapping resource="student.hdm.xml" />
</session-factory>
</hibernate-configuration>
student.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="student" table="student">
<id name="sno" column="sno" type="integer">
<generator class="assigned"/>
</id>
<property name="sname" column="sname" type="string"/>
<property name="mobile" column="mobile" type="string"/>
</class>
</hibernate-mapping>
These are the two .xml files........
While running this program i got the ERROR ..........
log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment).
log4j:WARN Please initialize the log4j system properly.
Exception in thread "main" java.lang.ClassCastException: java.lang.Integer
at org.hibernate.type.StringType.toString(StringType.java:44)
at org.hibernate.type.NullableType.toLoggableString(NullableType.java:168)
at org.hibernate.pretty.Printer.toString(Printer.java:53)
at org.hibernate.pretty.Printer.toString(Printer.java:90)
at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:97)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:26)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:985)
at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:333)
at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
at ClientStudent.main(ClientStudent.java:21)