mapping of varchar primary key from database as assigned but while try to get data data automatically deleted. -------------------------------------------------------------------------------------------------------------- Key: HHH-3666 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3666 Project: Hibernate Core Issue Type: Bug Environment: hibernate 3 Database MySql Reporter: Prashant k Patil. I am trying to get data from database. It is successfully receives data if it is add by hibernate. If that data is manually added in database it is automatically deleted by hibernate. my mapping to table like this. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <!-- Generated Dec 17, 2008 1:38:05 PM by Hibernate Tools 3.1.0.beta5 --> <hibernate-mapping> <class name="com..entity.User" table="user" dynamic-update="true" catalog="database"> <comment></comment> <id name="userId" type="string" length="30"> <column name="USER_ID" /> </id> <property name="password" type="string" length="30"> <column name="PASSWORD"> <comment></comment> </column> </property> </class> </hibernate-mapping> and code using like this . Transaction tx = null; try { Session currentSession = InitializeSessionFactory.getInstance().getCurrentSession(); tx = currentSession.beginTransaction(); //User temp = new User("doctor","doctor","DOCTOR",new Integer(1)); //currentSession.save(temp); User user = (User)currentSession.get(User.class, userId); tx.commit(); return user; }catch(Exception e) { tx.rollback(); logger.error(e.getMessage()); } please help me so that data not to be deleted. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira