bahri sirine wrote:in this case I want to know how to fix the size of the buffer receive in a resultset.
What exactly do you mean with "size of the buffer"? Do you mean the fetch size (as in how many rows should the jdbc driver fetch in one go from the database)?
In such cases it's always useful to provide the involving code snippet and the stack trace itself, because a NullPointerException can occur almost everywhere.
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