Kettle连接Mysql数据库异常

环境：

Kettle：kettle-spoon 版本stable release -4.3.0

Mysql：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 class

org.gjt.mm.mysql.Driver

org.pentaho.di.core.exception.KettleDatabaseException:

Erroroccured while trying to connect to the database

Exceptionwhile loading class

org.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 class

org.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 more

Causedby: java.lang.ClassNotFoundException: org.gjt.mm.mysql.Driver

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)

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\libext\JDBC下。

再次进行连接测试通过。

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