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LazyInitializationException

 
Greenhorn
Posts: 8
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Hi
I am getting the "org.hibernate.LazyInitializationException: could not initialize proxy - no Session" error while running my application:
I am using the Restful Webservices in GlassFish application server. I configured the Hibernate properties in the persistence.xml file. (GlassFish App server + Hibernate + Restful Webservices(jersey)).
I am using the Lazy loading.

Assume these is the situation:

I have Employee object and Department object.

The department object is declared as the member variable in the Employee object.

Public class Employee {

public int empno;
public String empName;
public Department department;

public void setDepartment(Department dept){
//......
//......
//do something
}

@NotNull
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "XYZ")
public Department getDepartment(){
//......
//......
//do something
}



//setter and getting for each methods
}

public class Department {
//......
//......
}


i am getting this Employee object using EntityManger find method .
I got the employee object and if i exeucte the getEmpNo oir getEmpName , i am getting the value.

but if i try to get the Department(while running the getDepartment method),
I am getting this

"org.hibernate.LazyInitializationException: could not initialize proxy - no Session"

Please could you explaing me , where is the problem and which one causing the problem.
 
ranger
Posts: 17347
11
Mac IntelliJ IDE Spring
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Please refrain from duplicate posting.

Mark
 
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