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Writing Hibernate Configuration Files



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Hi i'm trying to implement the above example but i
Hi i'm trying to implement the above example but i got fatal exception . first of all i couldnt able to create sessionfactory. null pointer exception occured at the creating of sessionfactory. pls do advise me. Thanks  

Should the POJO class always be Serializable? Why?
Should the POJO class always be Serializable? Why? And what are the use of default constructors in the POJO class? 

The <generator class = "increment"> in the <id> el
The <generator class = "increment"> in the <id> element tells hibernate to generate the primary key "id" by incrementing by 1. Thanks Deepak  

In the Tutorial.hbm.xml file, what is the use of <
In the Tutorial.hbm.xml file, what is the use of <generator class = "increment"> in the <id> element? 

problem in executing the code
i usually get SAX parse exception even the file is properly placed i also donot find any problem in validation with dtd. is there any soln. a warning i also get about to use log4j  

Doubt
I donot want to write cfg file to configure. I want to configure it by code. Please send me a code snippet. 

wrong directory \code?
Hi, "Place hibernate.cfg.xml file in the source directory e.g. "C:\Struts-Hibernate-Integration\code\src\java"" in the directory WEB-INF\src\java ? 

Default Constructor in POJO
HIbernate uses reflection to instantiate a POJO class to set the values into it from the DB. SO it does the instantiation using Java Reflection. When a class is instantiated using reflection the class must have a default constructor. Otherwise an exc 

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