Com. MySQL. JDBC. Exceptions. jdbc4.communicationsexception: communications link failure

Http://netbeans-org.1045718.n5.nabble.com/com-mysql-jdbc-exceptions-jdbc4-CommunicationsException-Communications-link-failure-td2950072.html

It sounds likeMySQL
Server isn' t running.

If you are using Windows, make sureMysqld
-Nt.exe
Is running. You can use task manager to see if the service is running
And Control Panel's Administrative Tools | Services dialog to start
Service if it is not. On myComputer
The service name isMySQL
.

Janpihlgren wrote:

Just installed netbeans 6.5 and now try to run som javaprogram that require connection to MySQL
-Database.


I get this errormessage:


Com
. MySQL
. JDBC
. Exceptions
. Jdbc4
. Communicationsexception
: Communications
Link
Failure


And a point to these rows int the program:


String _ url =" JDBC
: MySQL
: // Localhost: 3306/"+ database;


Connection conn = drivermanager. getconnection (_ URL, user, PWD );