MySQLSyntaxErrorException：未知数据库 - JDBC - Java EE

Question

Really odd issue here, it was working a few days ago. I create a new database for a new project and I go to run it and I get the following error

com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown database

So I went back to my older projects and tried to run them. Same error.

The database is definitely there, it's named correctly, i'm using user "root". MySQL is started, I can interact with it in terminal... any particular reason I may be getting this error?

Connection c =  DriverManager.getConnection("jdbc:mysql://localhost/twittermap","root","");

In terminal:

select CURRENT_USER()

will return root@localhost

SELECT DATABASE() FROM DUAL;

returns twittermap

 show variables like 'port';

returns 3306

If any more information is required please let me know and I will post it immediately. This is most likely a simple fix but I just can't wrap my head around it. Thanks all, really appreciate the help!

EDIT: I ran netstat -tnl and 127.0.0.1:3306 is NOT listed.. ?

Answer 1

就这样写：

Connection c =  DriverManager.getConnection("jdbc:mysql://localhost:3306/twittermap","root","");