Weird MySql bug

When I try to save stuff to the mysql database when a player leaves, it works just fine, but when I try to save it when the player is in the server doing nothing it does not work, wtf?
Here is the code

Code:

public synchronized void save(PlayerData d){
        try{
            if(isinDatabase(d.getUUID())){
                PreparedStatement s = c.prepareStatement("UPDATE player SET TOKENS=?,EXP=?,COINS=? WHERE UUID=?");
                s.setString(1,String.valueOf(d.getTokens()));
                s.setString(2,String.valueOf(d.getExp()));
                s.setString(3,String.valueOf(d.getCoins()));
                s.setString(4,d.getUUID().toString());
                s.executeUpdate();
                s.close();
                Bukkit.broadcastMessage("SAVED" + d.getCoins());
                Bukkit.broadcastMessage("UUID: " + d.getUUID().toString());
            }
        }catch (SQLException e){
            e.printStackTrace();
            this.refresh();
            this.save(d);
        }

    }

Saving when a player leaves:

Code:

public void handleLeave(UUID u){
        final PlayerData d = getPlayer(u);
        this.d.remove(d);
        if(getPlayer(u) == null){
        }
        MySql.getIns().save(d);
    }

Saving on a random ocasion:

Code:

public void save(UUID u){
        PlayerData d = getPlayer(u);
        MySql.getIns().save(d);
    }

Note that the PlayerData is not return null, the method is executing perfectly, but the database stays the same, wtf xD

 

@nuno1212sss is the player already in the database? you only have the code when the player is already in the database and not the new insert command

 

@guitargun Yes

 

Hmm, are you ever calling the save method?
Off-topic question: Why are your storing everything as strings, even integers ?

 

@WinX64 Yes, and because it is the easy way to read it from the linux terminal xD and I just like to store everything in strings

 

@nuno1212sss There's a setInt method in PreparedStatement, no need to use the valueOf method in String.

 

@WesJD Not the problem :s

 

@nuno1212sss

But it's still a problem.

Also, how are you certain the player is in the database, that they aren't updating, etc.