Category "orm"

How to fix org.hibernate.LazyInitializationException - could not initialize proxy - no Session

I get the following exception: Exception in thread "main" org.hibernate.LazyInitializationException: could not initialize proxy - no Session at org.hiberna

scoped_session(sessionmaker()) or plain sessionmaker() in sqlalchemy?

I am using SQlAlchemy in my web project. What should I use - scoped_session(sessionmaker()) or plain sessionmaker() - and why? Or should I use something else?

How to solve EagerLoadingError [SequelizeEagerLoadingError]: Table_B is not associated to Table_A?

I am trying to fetch data from Table_A and Table_B using node and sequelize Table Structure Table_A: id PK name Text Table_B: id PK a_id FK_tableA_id name Text

Hibernate throws org.hibernate.AnnotationException: No identifier specified for entity: com..domain.idea.MAE_MFEView

Why am I getting this exception? package com.domain.idea; import javax.persistence.CascadeType; import javax.persistence.Entity; import javax.persistence.Fetc