Connection con = null;
log.info("Start migration of database.");
try {
InputStreamReader inreader = new InputStreamReader(in);
con = JDBCUtil.getDBConnection();
SqlExecutor sqlex = new SqlExecutor(con, false);
sqlex.runCommands(inreader);
} catch (SQLException e) {
log.error("SQL error during database migration: ", e);
return false;
} catch (IOException e) {
log.error("IO error during database migration: ", e);