hi,

got the error as

15:34:00,106 ERROR JDBCExceptionReporter:58 - Io exception: The Network Adapter
could not establish the connection
Exception in thread "main" org.hibernate.exception.GenericJDBCException: Cannot
open connection
at org.hibernate.exception.ErrorCodeConverter.handledNonSpecificExceptio
n(ErrorCodeConverter.java:92)
at org.hibernate.exception.ErrorCodeConverter.convert(ErrorCodeConverter
.java:80)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelp
er.java:43)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelp
er.java:29)
at org.hibernate.jdbc.AbstractBatcher.openConnection(AbstractBatcher.jav
a:384)
at org.hibernate.jdbc.JDBCContext.connect(JDBCContext.java:141)
at org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:88)
at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:
49)
at org.hibernate.transaction.JDBCTransactionFactory.beginTransaction(JDB
CTransactionFactory.java:19)
at org.hibernate.jdbc.JDBCContext.beginTransaction(JDBCContext.java:204)

at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1007
)
at employ.FirstExample.main(FirstExample.java:16)
Caused by: java.sql.SQLException: Io exception: The Network Adapter could not es
tablish the connection
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
:124)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
:161)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
:273)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:321)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:
346)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:149)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtensio
n.java:31)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:543)
at java.sql.DriverManager.getConnection(DriverManager.java:517)
at java.sql.DriverManager.getConnection(DriverManager.java:146)
at org.hibernate.connection.DriverManagerConnectionProvider.getConnectio
n(DriverManagerConnectionProvider.java:110)
at org.hibernate.jdbc.AbstractBatcher.openConnection(AbstractBatcher.jav
a:381)

and i have already included classes12.jar and classes111.jar in my classpath.
i am not able to resolve it.
can anybody help on this.

my configuration file hibernate.cfg.xml is as follows


<hibernate-configuration>
<session-factory>
<!-- Database connection settings -->
<property name="connection.driver_class">oracle.jdbc.driver.OracleDriver</property>
<property name="connection.url">jdbc:oracle:thin:@202.169.68.44:1521:EXL</property>
<property name="connection.username">scott</property>
<property name="connection.password">tiger</property>

<!-- JDBC connection pool (use the built-in) -->
<property name="connection.pool_size">1</property>

<!-- SQL dialect -->
<property name="dialect">org.hibernate.dialect.Oracle9Dialect</property>

<!-- Enable Hibernate's automatic session context management -->
<property name="current_session_context_class">thread</property>

<!-- Echo all executed SQL to stdout -->
<property name="show_sql">true</property>

<mapping resource="employ/Emp.hbm.xml"/>
</session-factory>
</hibernate-configuration>

please help on this

Thnaks