SINGLETABLESUBCLASS CANNOT BE CAST TO ROOTCLASS
By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of service , privacy policy and cookie policy , and that your continued use of the website is subject to these policies. You needn’t delete that part of the code from the question, now it’s all incomprehensible. JoinedSubclass cannot be cast to org. Sign up using Facebook. Neil Stockton Neil Stockton 9, 3 20 I had the same problem some time ago, since your parent class has a primary key: Sign up or log in Sign up using Google. Besides which a question on Stackoverflow is supposed to be specific
Why the error message isn’t as suggestive as yours? I had the same problem some time ago, since your parent class has a primary key: I keep getting the following exception. I keep getting the following exception It is due to Id column in both classes. You cannot have Id in a superclass and then add another Id in a subclass.
My MicroTask class looks as follows:. I’ve really no idea why you would contemplate dropping Person and duplicating info. I want a Person ID to identify a person outside the school and a Student ID to identify a person inside the school, is this possible? Post as a guest Name. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.
However when i run my code.
ClassCastException while creating EntityManagerFactory
The error message is stupid and tells you nothing about the real cause; take that part up with Hibernate developers. Removing the Id annotation from subclasses is enough, or you can also probably delete the field, getters and setters, because the inheritance strategy InheritanceType. Invocation of init method failed; nested exception is java. Rig why would you like to keep Id in the subclass? I have these entities; Person. RootClass on my research I stumbled upon this thread [Spring 3.
By using our site, you acknowledge that you have read and understand singletablesubdlass Cookie CannnotPrivacy Policyand our Terms of Service. Sign up using Facebook. You needn’t delete that part of the code from the question, now it’s all incomprehensible. I am not sure where I making the mistake. Failed to load ApplicationContext at org.
Let’s say I would drop the Person class, but its field first name, last name would be placed in the Student class and Teacher class. My MicroTask class looks as follows: I had the same problem some time ago, since your singletablesubclads class has a primary key: Error creating bean with name ‘sessionFactory’ defined in class path resource [database-config. I keep getting bf following exception Sign up using Facebook.
Int primary key name: Why the error message isn’t as suggestive as yours? It is due to Id column in both classes. You cannot have Id in a superclass and then add another Id in a subclass. Post as a guest Name. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.
My goal is to save a student record in 1 table together with the details in the Person class and StudentBean class, but I have encountered these exception. In future there may be several other classes extending from MicroTask. This is old, you may not answer, but what if my subclass table also has an identity column? But if I removed the Id in either of my class, it would not allow me to save the object since I don’t have an identifier with my entity.
Besides which a question on Stackoverflow is supposed to be specific Sign up using Email and Password. But don’t see how that should be part of the “id” Singletablesubcclass error message is stupid and tells you nothing about the real cause; take that part up with Hibernate developers.
Sign up or log in Sign up using Google. Remove the Id from HumanMicroTask. Neil Stockton Neil Stockton 9, 3 20 But don’t see how that should be part of the “id”.

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Can not Extending Customer as Tutorial – Broadleaf Commerce Discussion Forums
How can I do it without explicitly declaring the first name and last name on both classes? There is no “right way” to design classes Your mapping is wrong. Varchar Child class will map to this: Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.
If you want to have different types of “person” you could have an extra field in Person about whether they are in education. Based from it, the reason for the exception is due to the Id in the Parent and Child class.
Raveesh Sharma Raveesh Sharma 3 17 I was trying to have a one table per concrete class which is the simplest way to get up and running with spring3 and hibernate 4. Sign up using Email and Password.

I keep getting the following exception. Although I have seen quite a few forums, I am singletablesubbclass o decide on where I am making the mistake. UnionSubclass cannot be cast to org. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. RootClass Based from it, the reason for the exception is rootcalss to the Id in the Parent and Child class.
