在eclipse中创建连接 - ClassNotFoundException：com.mysql.jdbc.Driver

Question

我没有在代码中做任何事情 - 我刚刚创建了一个eclipse连接，似乎无法对它进行ping操作。连接属性：

jar就是我说的那个（$ GLASSFISH_HOME \ domains \ domain1 \ lib \ ext）但是我得到了：

java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
    at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:789)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    at org.eclipse.datatools.connectivity.drivers.jdbc.JDBCConnection.createConnection(JDBCConnection.java:297)
    at org.eclipse.datatools.connectivity.DriverConnectionBase.internalCreateConnection(DriverConnectionBase.java:105)
    at org.eclipse.datatools.connectivity.DriverConnectionBase.open(DriverConnectionBase.java:54)
    at org.eclipse.datatools.connectivity.drivers.jdbc.JDBCConnection.open(JDBCConnection.java:81)
    at org.eclipse.datatools.enablement.internal.mysql.connection.JDBCMySQLConnectionFactory.createConnection(JDBCMySQLConnectionFactory.java:28)
    at org.eclipse.datatools.connectivity.internal.ConnectionFactoryProvider.createConnection(ConnectionFactoryProvider.java:83)
    at org.eclipse.datatools.connectivity.internal.ConnectionProfile.createConnection(ConnectionProfile.java:359)
    at org.eclipse.datatools.connectivity.ui.PingJob.createTestConnection(PingJob.java:76)
    at org.eclipse.datatools.connectivity.ui.PingJob.run(PingJob.java:59)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)

Answer 1

该zip很可能是MySQL Connector / J的分发zip，该zip内部是带有驱动程序的mysql-connector-java-5.1.27-bin.jar库。因此，您需要先解压缩，然后添加jar - 库而不是zip。