Kettle连接Mysql数据库异常

环境：Kettle：kettle-spoon 版本stable release -4.3.0Mysql：MySQL Server 5.5 数据库连接信息：

测试数据库连接情况。 错误连接数据库 [MySql-1] :org.pentaho.di.core.exception.KettleDatabaseException:Erroroccured while trying to connect to the database Exceptionwhile loading classorg.gjt.mm.mysql.Driver org.pentaho.di.core.exception.KettleDatabaseException:Erroroccured while trying to connect to the database Exceptionwhile loading classorg.gjt.mm.mysql.Driver atorg.pentaho.di.core.database.Database.normalConnect(Database.java:368) at org.pentaho.di.core.database.Database.connect(Database.java:317) atorg.pentaho.di.core.database.Database.connect(Database.java:279) atorg.pentaho.di.core.database.Database.connect(Database.java:269) atorg.pentaho.di.core.database.DatabaseFactory.getConnectionTestReport(DatabaseFactory.java:86) atorg.pentaho.di.core.database.DatabaseMeta.testConnection(DatabaseMeta.java:2464) atorg.pentaho.ui.database.event.DataHandler.testDatabaseConnection(DataHandler.java:533) atsun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) atsun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) atsun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) atjava.lang.reflect.Method.invoke(Unknown Source) atorg.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:329) atorg.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:139) atorg.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:123) atorg.pentaho.ui.xul.swt.tags.SwtButton.access$500(SwtButton.java:26) atorg.pentaho.ui.xul.swt.tags.SwtButton$4.widgetSelected(SwtButton.java:119) atorg.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source) atorg.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source) atorg.eclipse.swt.widgets.Widget.sendEvent(Unknown Source) atorg.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source) atorg.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source) atorg.eclipse.jface.window.Window.runEventLoop(Window.java:820) atorg.eclipse.jface.window.Window.open(Window.java:796) atorg.pentaho.ui.xul.swt.tags.SwtDialog.show(SwtDialog.java:378) atorg.pentaho.ui.xul.swt.tags.SwtDialog.show(SwtDialog.java:304) atorg.pentaho.di.ui.core.database.dialog.XulDatabaseDialog.open(XulDatabaseDialog.java:115) atorg.pentaho.di.ui.core.database.dialog.DatabaseDialog.open(DatabaseDialog.java:62) atorg.pentaho.di.ui.spoon.delegates.SpoonDBDelegate.editConnection(SpoonDBDelegate.java:88) at org.pentaho.di.ui.spoon.Spoon.doubleClickedInTree(Spoon.java:2792) atorg.pentaho.di.ui.spoon.Spoon.access$1900(Spoon.java:310) atorg.pentaho.di.ui.spoon.Spoon$24.widgetDefaultSelected(Spoon.java:5275) atorg.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source) at org.eclipse.swt.widgets.EventTable.sendEvent(UnknownSource) atorg.eclipse.swt.widgets.Widget.sendEvent(Unknown Source) atorg.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source) atorg.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source) at org.pentaho.di.ui.spoon.Spoon.readAndDispatch(Spoon.java:1183) atorg.pentaho.di.ui.spoon.Spoon.start(Spoon.java:6968) atorg.pentaho.di.ui.spoon.Spoon.main(Spoon.java:567) atsun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(UnknownSource) atsun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) atjava.lang.reflect.Method.invoke(Unknown Source) atorg.pentaho.commons.launcher.Launcher.main(Launcher.java:134)Causedby: org.pentaho.di.core.exception.KettleDatabaseException:Exceptionwhile loading classorg.gjt.mm.mysql.Driver atorg.pentaho.di.core.database.Database.connectUsingClass(Database.java:423) atorg.pentaho.di.core.database.Database.normalConnect(Database.java:352) ... 43 moreCausedby: java.lang.ClassNotFoundException: org.gjt.mm.mysql.Driver atjava.net.URLClassLoader$1.run(Unknown Source) atjava.net.URLClassLoader$1.run(Unknown Source) atjava.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(UnknownSource) atjava.lang.ClassLoader.loadClass(Unknown Source) atjava.lang.ClassLoader.loadClass(Unknown Source) at java.lang.Class.forName0(NativeMethod) at java.lang.Class.forName(UnknownSource) at org.pentaho.di.core.database.Database.connectUsingClass(Database.java:414) ... 44 more 主机名 : 192.168.2.1端口 : 3306数据库名:test 内事不决问百度，外事不决问谷歌。那就问问吧。 将对应的mysql驱动包（mysql-connector-java-5.1.15-bin.jar）放到下kettle的目录：data-integration\lib\下。 下载地址：http://dev.mysql.com/downloads/connector/j/重启再次进行连接测试通过。