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Update an ArrayList using JPA + Hibernate

sarada bokka
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Posts: 80
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Hi All,

I am having two tables 1) classification ,2)classificationtemplate where classificationtemplate is an array list.
I am able to add successfully deleting is causing issues

Now I am trying to update the arraylist by
1) deleting the classification (this is to remove the old data)
2) add the updated data (add the new data)

It is failing at step 1 :

I have defined my entity as

Please help me where things are going wrong?

error: detached cannot be removed.
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