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Hibernate version: hibernate3.0

Mapping documents:
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
<class name="Tb_User" table="tb_user">

<id name="user_name" unsaved-value="null">
<column name="user_name" sql-type="varchar(20)" not-null="true"/>
<generator class="assigned">
</generator>

</id>

<property name="pwd"><column name="pwd" sql-type="varchar(50)" /></property>
</class>
</hibernate-mapping>

Code between sessionFactory.openSession() and session.close():
public boolean dataRetrive(String uname,String passwd){

boolean flag=false;
try{
Tb_User user=new Tb_User(uname,passwd);
Configuration cfg=new Configuration();
//cfg.configure("\\META-INF\\hibernate.cfg.xml");
cfg.configure(new File(System.getProperties().getProperty("sun.boot.library.path")+"\\hibernate.cfg.xml"));
SessionFactory sessionFactory=cfg.buildSessionFactory();
System.out.println("session created");
Session session=sessionFactory.openSession();
Transaction tx=session.beginTransaction();
System.out.println("nvbn");
Query q=session.createQuery("select user.user_name,user.pwd from Tb_User user");
Iterator iter=q.iterate();
System.out.print(iter.hasNext());
while (iter.hasNext()) {
System.out.println("popop");
user = (Tb_User)iter.next();
System.out.println(user.getuser_name());
System.out.println(user.getpwd());
if(uname.equals(user.getuser_name())&&passwd.equals(user.getpwd()))
flag=true;
}
tx.commit();
session.flush();
session.close();
}catch(Exception e){
e.printStackTrace();
}
return flag;
}

}
Full stack trace of any exception that occurs:
There is no Error but iterator.hashnext giving result false.
18:18:38,406 INFO [STDOUT] setSessionContext()
18:18:38,406 INFO [STDOUT] ejbcreate()
18:18:38,406 INFO [Configuration] configuring from file: hibernate.cfg.xml
18:18:38,500 INFO [Configuration] Mapping resource: Tb_User.hbm.xml
18:18:38,515 INFO [HbmBinder] Mapping class: Tb_User -> tb_user
18:18:38,515 INFO [Configuration] Configured SessionFactory: java:/comp/Hello
18:18:38,515 INFO [Configuration] processing extends queue
18:18:38,515 INFO [Configuration] processing collection mappings
18:18:38,515 INFO [Configuration] processing association property references
18:18:38,515 INFO [Configuration] processing foreign key constraints
18:18:38,515 INFO [ConnectionProviderFactory] Initializing connection provider:
org.hibernate.connection.DriverManagerConnectionProvider
18:18:38,515 INFO [DriverManagerConnectionProvider] Using Hibernate built-in co
nnection pool (not for production use!)
18:18:38,515 INFO [DriverManagerConnectionProvider] Hibernate connection pool s
ize: 10
18:18:38,515 INFO [DriverManagerConnectionProvider] autocommit mode: false
18:18:38,515 INFO [DriverManagerConnectionProvider] using driver: com.microsoft
.jdbc.sqlserver.SQLServerDriver at URL: jdbc:microsoft:sqlserver://192.168.16.5:
1433
18:18:38,515 INFO [DriverManagerConnectionProvider] connection properties: {use
r=sa, password=sa}
18:18:38,593 INFO [SettingsFactory] RDBMS: Microsoft SQL Server, version: Micro
soft SQL Server 2000 - 8.00.194 (Intel X86)
Aug 6 2000 00:57:48
Copyright (c) 1988-2000 Microsoft Corporation
Personal Edition on Windows NT 5.0 (Build 2195: Service Pack 4)

18:18:38,593 INFO [SettingsFactory] JDBC driver: SQLServer, version: 2.2.0040
18:18:38,609 INFO [Dialect] Using dialect: org.hibernate.dialect.SQLServerDiale
ct
18:18:38,609 INFO [TransactionFactoryFactory] Transaction strategy: org.hiberna
te.transaction.JTATransactionFactory
18:18:38,609 INFO [NamingHelper] JNDI InitialContext properties:{java.naming.pr
ovider.url=jnp://localhost:1099, java.naming.factory.initial=org.jnp.interfaces.
NamingContextFactory}
18:18:38,609 INFO [TransactionManagerLookupFactory] instantiating TransactionMa
nagerLookup: org.hibernate.transaction.JBossTransactionManagerLookup
18:18:38,609 INFO [TransactionManagerLookupFactory] instantiated TransactionMan
agerLookup
18:18:38,609 INFO [TransactionManagerLookupFactory] instantiating TransactionMa
nagerLookup: org.hibernate.transaction.JBossTransactionManagerLookup
18:18:38,609 INFO [TransactionManagerLookupFactory] instantiated TransactionMan
agerLookup
18:18:38,609 INFO [SettingsFactory] Automatic flush during beforeCompletion():
disabled
18:18:38,609 INFO [SettingsFactory] Automatic session close at end of transacti
on: disabled
18:18:38,609 INFO [SettingsFactory] Scrollable result sets: enabled
18:18:38,609 INFO [SettingsFactory] JDBC3 getGeneratedKeys(): disabled
18:18:38,609 INFO [SettingsFactory] Connection release mode: null
18:18:38,609 INFO [SettingsFactory] Default batch fetch size: 1
18:18:38,609 INFO [SettingsFactory] Generate SQL with comments: disabled
18:18:38,609 INFO [SettingsFactory] Order SQL updates by primary key: disabled
18:18:38,609 INFO [SettingsFactory] Query translator: org.hibernate.hql.ast.AST
QueryTranslatorFactory
18:18:38,609 INFO [ASTQueryTranslatorFactory] Using ASTQueryTranslatorFactory
18:18:38,609 INFO [SettingsFactory] Query language substitutions: {}
18:18:38,609 INFO [SettingsFactory] Second-level cache: enabled
18:18:38,609 INFO [SettingsFactory] Query cache: disabled
18:18:38,609 INFO [SettingsFactory] Cache provider: org.hibernate.cache.Hashtab
leCacheProvider
18:18:38,609 INFO [SettingsFactory] Optimize cache for minimal puts: disabled
18:18:38,609 INFO [SettingsFactory] Structured second-level cache entries: disa
bled
18:18:38,609 INFO [SettingsFactory] Echoing all SQL to stdout
18:18:38,609 INFO [SettingsFactory] Statistics: disabled
18:18:38,609 INFO [SettingsFactory] Deleted entity synthetic identifier rollbac
k: disabled
18:18:38,609 INFO [SettingsFactory] Default entity-mode: pojo
18:18:38,640 INFO [SessionFactoryImpl] building session factory
18:18:38,750 INFO [SessionFactoryObjectFactory] Factory name: java:/comp/Hello
18:18:38,750 INFO [NamingHelper] JNDI InitialContext properties:{java.naming.pr
ovider.url=jnp://localhost:1099, java.naming.factory.initial=org.jnp.interfaces.
NamingContextFactory}
18:18:38,750 INFO [SessionFactoryObjectFactory] Bound factory to JNDI name: jav
a:/comp/Hello
18:18:38,750 WARN [SessionFactoryObjectFactory] InitialContext did not implemen
t EventContext
18:18:38,750 INFO [Dialect] Using dialect: org.hibernate.dialect.SQLServerDiale
ct
18:18:38,750 INFO [Configuration] processing extends queue
18:18:38,750 INFO [Configuration] processing collection mappings
18:18:38,750 INFO [Configuration] processing association property references
18:18:38,750 INFO [Configuration] processing foreign key constraints
18:18:38,750 INFO [Configuration] processing extends queue
18:18:38,750 INFO [Configuration] processing collection mappings
18:18:38,750 INFO [Configuration] processing association property references
18:18:38,750 INFO [Configuration] processing foreign key constraints
18:18:38,750 INFO [SchemaExport] Running hbm2ddl schema export
18:18:38,750 INFO [SchemaExport] exporting generated schema to database
18:18:38,750 INFO [ConnectionProviderFactory] Initializing connection provider:
org.hibernate.connection.DriverManagerConnectionProvider
18:18:38,750 INFO [DriverManagerConnectionProvider] Using Hibernate built-in co
nnection pool (not for production use!)
18:18:38,750 INFO [DriverManagerConnectionProvider] Hibernate connection pool s
ize: 10
18:18:38,750 INFO [DriverManagerConnectionProvider] autocommit mode: false
18:18:38,750 INFO [DriverManagerConnectionProvider] using driver: com.microsoft
.jdbc.sqlserver.SQLServerDriver at URL: jdbc:microsoft:sqlserver://192.168.16.5:
1433
18:18:38,750 INFO [DriverManagerConnectionProvider] connection properties: {use
r=sa, password=sa}
18:18:39,437 INFO [SchemaExport] schema export complete
18:18:39,437 WARN [JDBCExceptionReporter] SQL Warning: 0, SQLState:
18:18:39,437 WARN [JDBCExceptionReporter] [Microsoft][SQLServer 2000 Driver for
JDBC]Database changed to master
18:18:39,437 WARN [JDBCExceptionReporter] SQL Warning: 5701, SQLState: 01000
18:18:39,437 WARN [JDBCExceptionReporter] [Microsoft][SQLServer 2000 Driver for
JDBC][SQLServer]Changed database context to 'master'.
18:18:39,437 WARN [JDBCExceptionReporter] SQL Warning: 0, SQLState:
18:18:39,437 WARN [JDBCExceptionReporter] [Microsoft][SQLServer 2000 Driver for
JDBC]Language changed to us_english
18:18:39,437 WARN [JDBCExceptionReporter] SQL Warning: 5703, SQLState: 01000
18:18:39,437 WARN [JDBCExceptionReporter] [Microsoft][SQLServer 2000 Driver for
JDBC][SQLServer]Changed language setting to us_english.
18:18:39,437 INFO [DriverManagerConnectionProvider] cleaning up connection pool
: jdbc:microsoft:sqlserver://192.168.16.5:1433
18:18:39,437 INFO [Dialect] Using dialect: org.hibernate.dialect.SQLServerDiale
ct
18:18:39,453 INFO [Configuration] processing extends queue
18:18:39,453 INFO [Configuration] processing collection mappings
18:18:39,453 INFO [Configuration] processing association property references
18:18:39,453 INFO [Configuration] processing foreign key constraints
18:18:39,453 INFO [Configuration] processing extends queue
18:18:39,453 INFO [Configuration] processing collection mappings
18:18:39,453 INFO [Configuration] processing association property references
18:18:39,453 INFO [Configuration] processing foreign key constraints
18:18:39,453 INFO [NamingHelper] JNDI InitialContext properties:{java.naming.pr
ovider.url=jnp://localhost:1099, java.naming.factory.initial=org.jnp.interfaces.
NamingContextFactory}
18:18:39,453 INFO [SessionFactoryImpl] Checking 0 named queries
18:18:39,453 INFO [STDOUT] session created
18:18:39,468 INFO [STDOUT] nvbn
18:18:39,468 INFO [STDOUT] Hibernate: select tb_user0_.user_name as col_0_0_, t
b_user0_.pwd as col_1_0_ from tb_user tb_user0_
18:18:39,484 INFO [STDOUT]false
18:18:39,484 WARN [JDBCExceptionReporter] SQL Warning: 0, SQLState:
18:18:39,484 WARN [JDBCExceptionReporter] [Microsoft][SQLServer 2000 Driver for
JDBC]Database changed to master
18:18:39,500 WARN [JDBCExceptionReporter] SQL Warning: 5701, SQLState: 01000
18:18:39,500 WARN [JDBCExceptionReporter] [Microsoft][SQLServer 2000 Driver for
JDBC][SQLServer]Changed database context to 'master'.
18:18:39,500 WARN [JDBCExceptionReporter] SQL Warning: 0, SQLState:
18:18:39,500 WARN [JDBCExceptionReporter] [Microsoft][SQLServer 2000 Driver for
JDBC]Language changed to us_english
18:18:39,500 WARN [JDBCExceptionReporter] SQL Warning: 5703, SQLState: 01000
18:18:39,500 WARN [JDBCExceptionReporter] [Microsoft][SQLServer 2000 Driver for
JDBC][SQLServer]Changed language setting to us_english.
18:19:39,984 INFO [DriverManagerConnectionProvider] cleaning up connection pool
: jdbc:microsoft:sqlserver://192.168.16.5:1433

Name and version of the database you are using:
MS Sql Server
The generated SQL (show_sql=true):
18:18:39,468 INFO [STDOUT] Hibernate: select tb_user0_.user_name as col_0_0_, t
b_user0_.pwd as col_1_0_ from tb_user tb_user0_
Debug level Hibernate log excerpt:

logr4j

make sure you have the following line in your hibernate.cfg.xml file.

<mapping resource="Tbl_User.hbm.xml" />

Or Configure Hibernate to use this mapping in one of the many other ways.