cannot safely connect to server

Java.sql.SQLException:null, message from server: "Host ' xxx ' isn't allowed to connect to this MySQL server":Indicates that the object is not a remote object and that the data cannot be accessed remotely through the objectSolve:Plan One: Change the table:Use MySQL, select User,host,password from user;Update user Set host = '% ' where user= ' root ';Programme II:

Workaround: 1. Change the table method. may be your account is not allowed to login from remote, only on localhost. This time, as long as the computer in localhost, log in to MySQL, change the "MySQL" database "user" table "host", from "localhost" renamed "%" mysql-u Root-pvmwaremysql>use MySQL; www.2cto.com mysql>update User Set host = '% ' where user = ' root '; mysql>select host, User from User;2. Authorization law. For example, if you want to myuser use MyPassword to

When developing a network radio application, it is found that the original app is always unable to connect successfully when accessing the MMS server. Sometimes it is connected to the server, but when sending commands, unable to obtain the response; similarly, the PC-Side Software SDP downloader cannot be connected. These servers use WMP for connection. But throu

Remote connection to a Linux server typically uses SSH.1, the Linux system connected to the remote Linux server can directly use the SSH command.The format is as follows:SSH [Email protected] 192.168. 1.1Root corresponds to the user name you use, 192 ... The corresponding server IP address, general server Port 22, comm

way to solve the problem is to Self-signed certificate please follow the instruction to generate a cerificate without specifying ' Ke Y Usage ' extension: ADD the following registry value to the Windows registry: For 32-bit system:[Hkey_local_machine\software\visualsvn\visualsvn Server] "creategnutlscompatiblecertificate" =dword:00000001 For 64-bit system:[Hkey_local_machine\software\wow6432node\visualsvn\vis

=cn.createstatement (); String SQL= "Select field 1, Field 2, Field 3, Field 4, field 5 from table name"; ResultSet RS=st.executequery (SQL); while(Rs.next ()) {String sno=rs.getstring ("Field 1"); String sname=rs.getstring ("Field 2"); String Sex=rs.getstring ("Field 3"); Java.sql.Date Birthday=rs.getdate ("Field four"); String SD=rs.getstring ("Field 5"); Out.print (Sno+ "," +sname+ "," +sex+ "," +birthday+ "," +sd+ "); } rs.close ();//Close Result setCn.close ();//Close Operation }

The following error occurred while connecting to the Oracle database with NavicatOn the Internet, it turns out that the Oci.dll version is wrong. Because Navicat is connected to Oracle servers through Oracle clients, Oracle's clients are divided into two, one standard and one compact, the Oracle Install client. When we use Navicat, we typically include multiple versions of OCI under our own installation path, and if you use Navicat to connect to an Or