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Hibernate problem

 
Greenhorn
Posts: 21
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Hi

I am getting an exception in my Hibernate exception. Below is the stack trace of my exception.

he following exception was logged org.hibernate.PropertyAccessException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.javacertificate.data.table.Exam.setField1
at org.hibernate.tuple.PojoEntityTuplizer.setPropertyValuesWithOptimizer(PojoEntityTuplizer.java:215)
at org.hibernate.tuple.PojoEntityTuplizer.setPropertyValues(PojoEntityTuplizer.java:185)
at org.hibernate.persister.entity.AbstractEntityPersister.setPropertyValues(AbstractEntityPersister.java:3232)
at org.hibernate.engine.TwoPhaseLoad.initializeEntity(TwoPhaseLoad.java:129)
................................


This is my database details for this field.

+---------------+--------------+------+
| Field | Type | Null |
+---------------+--------------+------+
| FIELD1 | bigint(20) | YES |
+---------------+--------------+------+

my mapping is

<property name="field1" type="long">
<column name="FIELD1" />
</property>

and following is my java class.

private long field1;

public long getField1() {
return field1;
}

public void setField1(long field1) {
this.field1 = field1;
}

How can I resolve this issue ?
[ May 26, 2006: Message edited by: Albin Joseph ]
 
Ranch Hand
Posts: 161
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Could the problem be that the database column allows NULL, but you are using a java primitive long value.

try using the java.lang.Long for the property in your class.

i.e.

private Long field1;

public void setField1(Long value) { this.field1 = value; }
public Long getField1() { return this.field1; }
 
Travis Hein
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>following exception was logged org.hibernate.PropertyAccessException: >exception setting property value with CGLIB (set >
>hibernate.cglib.use_reflection_optimizer=false for more info) set

Also noticed this,

Hibernate does some internal optimization by default the error message is telling us that if we turn this optimization off, we may be able to get a more specific message or more hints to what the problem is.

in the hibernate.properties you can set
hibernate.cglib.use_reflection_optimizer=false

(at least temporarily for debugging)
Then try to do the things you did before and see if the error message is different.
 
Ranch Hand
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Just to bring the post to a logical conclusion:

I encountered the same problem today and found out that Travis' suggestion of converting the primitive to wrapper (Long) class did the trick.

As for the second suggestion, it did print a whole lot more when the value of hibernate.bytecode.use_reflection_optimizer is changed but the error messages were not particularly helpful.

Saket
 
Greenhorn
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i had this same problem but with a boolean field. i changed the boolean getter/setters to be Boolean (capital B ). I also made a check in my getter to firstly check if the field was null and if it was return false.

-another option as already stated is to update all the null values to be false in the table.
 
ranger
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Originally posted by madison:
i had this same problem but with a boolean field. i changed the boolean getter/setters to be Boolean (capital B ). I also made a check in my getter to firstly check if the field was null and if it was return false.

-another option as already stated is to update all the null values to be false in the table.



"Maddison"

Please click on the My Profile link above and change your display name to meet the JavaRanch Naming Policy of using your real first and real last names.

Thanks

Mark
 
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