We have the following problem:
In a SessionBean S we call a method updateData() that does
the following:
Step 1)
it calls business methods from CMP Beans C that
change fileds in the Database.
Step 2)
after this changes the session bean S gets a connection
and executes a query to remove the records whose fields
have not been changed
S.updateData() has the following Attributes:
TransactionAttribute = TX_REQUIRED;
IsolationLevel = TRANSACTION_READ_UNCOMMITTED;
CMP Bean B has the following Attributes;
TransactionAttribute = TX_SUPPORTS;
IsolationLevel = TRANSACTION_READ_UNCOMMITTED;
The problem is, that all records are removed in Step 2,
even if the data has been fixed in Step 1.
We have to do this two Steps in one transaction, and we can not
use a finder method for Step 2, as it is a join with other tables.
So how can I solve this problems, any ideas?
Thanks, Max
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