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Is ResultSet Thread safe?
My question arises because in my program i have used different statement for each query i have declared a ResultSet as an local variable but it gives me a error of Operation not allowed after ResultSet is closed. But my statements are working as i’m using the statements in insert and delete query.I have commented the ResultSet part and have not got the error !!
The real problem is that you are sharing Statement objects between multiple threads. Each time you “execute” a Statement, the previously returned ResultSet is automatically closed. In this case, the ResultSet objects “belong” to a different thread which may not yet have finished using it. Hence the exception …
You should not share Connection, Statement / PreparedStatement or ResultSet objects between multiple threads. Each thread should acquire and release its own resources.