Protocol violation. — java.sql.SQLException: Protocol violation
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:179)
at oracle.jdbc.dbaccess.DBError.check_error(DBError.java:1160)
at oracle.jdbc.ttc7.Oclose.receive(Oclose.java:133)
at oracle.jdbc.ttc7.TTC7Protocol.close(TTC7Protocol.java:683)
at oracle.jdbc.driver.OracleStatement.close(OracleStatement.java:644)
at oracle.jdbc.driver.OraclePreparedStatement.privateClose(OraclePreparedStatement.java:485)
at oracle.jdbc.driver.OraclePreparedStatement.close(OraclePreparedStatement.java:393)
