Exception in thread "main" java.lang.OutOfMemoryError: Java heap space

    at com.mysql.jdbc.MysqlIO.nextRowFast(MysqlIO.java:1621)

    at com.mysql.jdbc.MysqlIO.nextRow(MysqlIO.java:1398)

    at com.mysql.jdbc.MysqlIO.readSingleRowSet(MysqlIO.java:2816)

    at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:467)

    at com.mysql.jdbc.MysqlIO.readResultsForQueryOrUpdate(MysqlIO.java:2510)

    at com.mysql.jdbc.MysqlIO.readAllResults(MysqlIO.java:1746)

    at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2135)

    at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2536)

    at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2465)

    at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1383)

    at cn.cdv.redis.Mysql2Redis0.main(Mysql2Redis0.java:40)

            Class.forName("com.mysql.jdbc.Driver");

            connection = DriverManager.getConnection("jdbc:mysql://127.0.0.1:3306/test?useCursorFetch=true&defaultFetchSize=100", "root", "root");

            statement = connection.createStatement();

            String sql = "select * from asset ;";