Initial SessionFactory creation failed.org.hibernate.HibernateException: Unable to instantiate default tuplizer [org.hibernate.t

8 solutions found.

Answer 1:

Ensure that the getter and setter functions are in the format: getVariablename, and setVariablename. The variable names will have to be the same as the ones listed inside the bean. E.g. if the variable is username, the getter and setter will be getUsername and setUsername.

Answer 2:

Add javassist.jar

Answer 3:

U'll get this error if you dont have the getter and the setter of a variable.

Answer 4:

If you add a getter method not on a variable you need to annotate it with @Transient (hibernate will leave that getter out)

Answer 5:

Very good page-> my Solution was Answer 1

Answer 6:

Maybe the cause are jar files you have added to classpath.

Answer 7:

Answer 7
Sometimes if you use composite PRIMARY key. Hıbernate tool generate for example abc.java and abcId.java . The abcId.java is geeratd for composıte Pk and this cause such error.

Answer 8
I your table does not have an Pk. like abc.java and abcId.java classes are generated via Hibernate tool. And this cause such error.

Answer 9

For example in your xml file
there exist an entry like
<property name="definitionId" type="string">
<column name="definition_id" />
</property>
But your column type is actually integer in your DB. Such mistakes may cause such errors.

Answer 8:

A derivative of #1 worth mentioning.
I happened to name a boolean field "isPrimaryOwner" and the "get" method name was "isPrimaryOwner()". This caused the problem and was difficult to notice. I should have named the field "primaryOwner".

http://readthefuckingmanual.net/error/2408/