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JPA Composite Key make Object Db throws "Unexpected exception (Error 990)"

embedded Id ) key with an enum type. Here is the code : package test; import java.util.*; import
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JPA JPQL WHERE clause for IN :variable not working if variable is a list of Enums

bug ?   Thanks Just tried the following code and it seems to work: package test; import java
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LAZY @ManyToOne field functions as EAGER

as @ManyToOne(fetch=FetchType.LAZY) ?   package com.greensoft.objectdb.test.console; import
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List of Enum Values in an entity

changed in the whole application: package .model.entity; import java.io.Serializable; import java
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Mapped (Inverse) LAZY @OneToMany vs. Unmapped LAZY @OneToMany

side of the relationship a.a. Q: Why is the LAZY behaviour different for mapped and unmapped lists ?   package com
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Merge with Parent/Child entities not possible

Can you please tell me why the following unit test ends with "[ObjectDB 2.5.7_02] javax.persistence.RollbackException"? package example; import java.io.File; import java.util.HashMap; import java.util.Map; import javax.persistence.CascadeType; import javax.persistence.Column; import
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Need help to make this test work and define proper annotations for entities Lists

and no entity is static.    package testodb; import java.io.File; import java.io.Serializable
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NullPointer when accessing persistent field

>();   I have attached the log and db files ( transaction is rolled back )   The packages
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NullPointerException in ENH.g(ENH.java:401)

an entity class to a new package without backing this operation with a schema change declaration in
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ObjectDB and Hibernate in one JVM?

? Both of the product include its own copy of javax.persistence.XXX packages. I wonder if they will clash