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Hanging on SQL Queries
By hang I mean the timer just keeps going, for hours, it never resolves.
The data in the database is static, im not updating/writing new rows to it.
is this a common issue? Should I think about doing a large extract from the database to my local machine and working with that?
I sometimes get this: Feb 4, 2012 6:12:29 PM WARNING: Caught exception in concurrent execution of Read Database (Read Database): com.rapidminer.operator.UserError: Database error occurred: Operation not allowed after ResultSet closed