(Error due to database column of type Number)oracle.jbo.PiggybackException: JBO-28300

Hi,
I have deployed a BC4J component as an EJB on OC4J using JDeveloper. The database column of the table is of type Number, because of which I am encountering the eroor below. The application works fine if the database type is varchar or something else.
I even tried changing the attribute of entity object to an integer, but this doesn't work.
below is the error:
oracle.jbo.PiggybackException: JBO-28300: Piggyback read error
void oracle.jbo.JboException.<init>(java.lang.String)
void oracle.jbo.PiggybackException.<init>(java.lang.String)
void oracle.jbo.common.PiggybackInput.<init>(oracle.jbo.common.ObjectMarshaller, byte[])
void oracle.jbo.client.remote.ApplicationModuleImpl.processPiggyback(byte[])
void oracle.jbo.client.remote.ApplicationModuleImpl.executeQuery(int, boolean)
void oracle.jbo.client.remote.RowSetImpl.executeQuery()
void oracle.jbo.client.remote.ViewUsageImpl.executeQuery()
void oracle.jbo.uicli.binding.JUIteratorBinding.executeQueryIfNeeded()
void oracle.jbo.uicli.binding.JUFormBinding.executeIfNeeded()
void oracle.jbo.uicli.jui.JUPanelBinding.executeIfNeeded()
void fast.track.LYPanelUsermasterView.<init>(boolean)
void fast.track.LYPanelUsermasterView.<init>()
void fast.track.AppletUsermasterView.init()
void fast.track.AppletUsermasterView.main(java.lang.String[])
## Detail 0 ##
java.io.InvalidClassException: oracle.jbo.domain.Number; Local class not compatible: stream classdesc serialVersionUID=-7730629917230930297 local class serialVersionUID=-6507359405709672486
void java.io.ObjectStreamClass.validateLocalClass(java.lang.Class)
void java.io.ObjectStreamClass.setClass(java.lang.Class)
java.io.ObjectStreamClass java.io.ObjectInputStream.inputClassDescriptor()
java.lang.Object java.io.ObjectInputStream.readObject(boolean)
java.lang.Object java.io.ObjectInputStream.readObject()
int java.io.ObjectInputStream.inputObject(boolean)
java.lang.Object java.io.ObjectInputStream.readObject(boolean)
java.lang.Object java.io.ObjectInputStream.readObject()
void oracle.jbo.common.PiggybackRowEntry.readObject(java.io.ObjectInputStream)
java.lang.Object java.lang.reflect.Method.invoke(java.lang.Object, java.lang.Object[])
boolean java.io.ObjectInputStream.invokeObjectReader(java.lang.Object)
int java.io.ObjectInputStream.inputObject(boolean)
java.lang.Object java.io.ObjectInputStream.readObject(boolean)
java.lang.Object java.io.ObjectInputStream.readObject()
void oracle.jbo.common.PiggybackInput.<init>(oracle.jbo.common.ObjectMarshaller, byte[])
void oracle.jbo.client.remote.ApplicationModuleImpl.processPiggyback(byte[])
void oracle.jbo.client.remote.ApplicationModuleImpl.executeQuery(int, boolean)
void oracle.jbo.client.remote.RowSetImpl.executeQuery()
void oracle.jbo.client.remote.ViewUsageImpl.executeQuery()
void oracle.jbo.uicli.binding.JUIteratorBinding.executeQueryIfNeeded()
void oracle.jbo.uicli.binding.JUFormBinding.executeIfNeeded()
void oracle.jbo.uicli.jui.JUPanelBinding.executeIfNeeded()
void fast.track.LYPanelUsermasterView.<init>(boolean)
void fast.track.LYPanelUsermasterView.<init>()
void fast.track.AppletUsermasterView.init()
void fast.track.AppletUsermasterView.main(java.lang.String[])
Please help me out
Thanks in advance
null

Hi Raman,
This error is normally occured when there is a attribute mismatch.When you added new field in OAF page, associate this field to the new view attribute of the extended VO. It is always recommended to add this new attribute at the end
Thanks
Sandeep

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Solved!
Go to Solution.
Attachments:
database table.JPG ‏320 KB
Front Panel.JPG ‏78 KB

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Too many objects match the primary key oracle.jbo.Key[2]. Error

Hi
I have to display a Read Only table and an Editable Form below it so that the user can select a row in the table and that row should be populated in the form below.
The user should be able to update the row and save in the below form.
Then the table above also should be refreshed with the updated values.
For this I have created a VO based on EO.
Using the same data control I have created a UI Readonly table and an Editable form in the same JSF page.
When I run the page, the first row is populated in both the table and form.
When I select the second row in the table, I am getting the following error in the Editable Form
Error: Too many objects match the primary key oracle.jbo.Key[2 ].
My EO has only one Primary key and I have not included the ROWID column in EO or VO.
How can we fix this issue ?
However, if I move the editable form to another page, It is working fine.
But we need to have both the table and editable form in the same page for usability purposes.
Thanks for any help.
Sameer

you can try refreshing your VO in various ways:
1. try setting partialTrigger on table pointing to your commandbutton .. also make sure partialSubmit on your commandButton is set to true.
2. Do bindings on the page def for Execute action of your read-only VO. Call this method from actions of your commandButton.
If they dont work then you can try creating a method in your AMImpl which does calls vo.executeQuery and expose this to pageDef.. and call if from the actions of your button .. but this may not be best way
Amit

LOV gives "Too many objects match the primary key oracle.jbo.Key" error.

Hello,
I'm using JDeveloper 11.1.1.3. I have created 2 VO's which are related to the same EO. In one of the views i added a list of value (combo box with list of values) to an attribute. In my page, i'm using the first view that doesn't have the LOV. Also in my page there is a button with a popup in which i'm using the second VO to list the values of the attributes and filter a table (which is also in the popup). Initially, when i press this button all rows are viewed in the table in the popup. However, when i try to filter the table using the LOV i'm getting an error:
Too many objects match the primary key oracle.jbo.KeyAny ideas?
Mohamed

Hello again,
Thank you all for your reply! I solved my problem. Apparently it wasn't a problem with duplicate data nor wrong primary key! I was implementing the LOV approach wrong. I was creating a 'List of Value' in my VO and dragging the attribute from data control as 'Select one Choice'. I was doing this because i thought i had to declare a type before i can use it in my data control. As i concluded, i should either create it in my VO and not use the default SOC option. Or, i could not create a LOV and use the default JDeveloper SOC option.
Thanks again for your help.
Mohamed.

(Error due to database column of type Number)oracle.jbo.PiggybackException: JBO-28300

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