How to connect to MYsql when adding hibernate with myeclipse

jdbc:mysql://localhost:3306/testupdate

truetrue

The above is the configuration file of Hibernate about MySQL, when you use it, comment out the configuration of oracle, and write the above on it. The driver can be found on the official website **The latest version. Give you the ** address.

Just pick one according to your operating system.

Judging by this exception, the database server IP address (or hostname) in the URL of your connection to the database is incorrect. Please check.

There is a setting code in the place where the database is connected.,Add it.。

I'll tell you a guess.

string hql="from buyers_table as p where "+buyername;

The buyername = after this sentence needs quotation marks to include the name.

I rarely write, so I forgot.

Let's see, buyername, the get set method is correct.

Myeclipse to create a Hibernate application development steps: Create a project Switch to the MyEclipse Database Explorer perspective Complete the data connection in the MyEclipse Database Explorer perspective and test the correctness of the data connection Add Hibernate support to your project Generate the Hibernate SessionFactory class Create a data table userinfo (string userid , string password, string username, string email, string address, string telephone) Generate POJOs and mapping files based on the userinfo data table.

After Hibernate is configured, you can connect, don't forget to connect to the MySQL jar

You try to connect with mysql first.,See if the connection can be successful.,This has nothing to do with hibernate.

What did I get an error? If the data goes wrong in the database, there are a few simple scenarios:

1. Check whether the database connection is successful.

2，……Whether the fields in it match the attributes of the entity.

3. Whether the HQL statement is correct.

Invitation**, wrong**.

Is there a connection to the database? If not, you look at your URL, username, password, support package, and port number and things like that, right?

What is the error message??