Hi ,
I am developing a BMP in jonas .
From this BMP i am inserting data into three tables.
yesterday i came across some problems.
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(Sorry for long description of problem , please bare me)
1) I created one BMP by using EJBWizard .
When ejbclient calls this bean
The error i am getting is ....
"error in EntityContextImpl.storeIfModified()
can not commit transaction "
i went trough the EJBServer.err.traceout
the error is
in prepared statement the index is not set 16
(I have 16 coloums in my table )
Here i came to know that there is no problem into the
create method . the problem is in ejbStore()
there the wizard generated the query in which
i am having the where caluse
the last set parameter of the stament in ejbStore()
was stmt.setInt(+1,var);
then i made it stmt.setInt(17,Var)
it works . it added the record into the database
I Just want to know that for a creation of the bean
What are the callback method a container should call. ?
and in what sequence ?
2) I have one more problem that my table is having 16 refrences
that means one master is having 16 details table.
( I am using sybase 11.0.3.3 on linux)
When i trying to insert data into the database
it gives me error that there are too many refrences to the table.
maximum allowed refrences are 16
What exactly this error mean ?
How can i overcome with this error ?
3) Can i have a BMP without mapping to any database. ?
I dont want any database table to be mapped to this BMP.
I want to use this bean as an cacheing the most required data
from different tables in forms of vectors .
Can i have empty create method for BMP ?
Thanks in advance
Ritesh.
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