kettle是进行数据库连接配置,出现数据库报错

Posted 2022-06-30 酷酷的糖先森

在使用kettle是进行数据库连接配置，test总是不成功，报错如下：

错误连接数据库 [foodmartconn] : org.pentaho.di.core.exception.KettleDatabaseException: 
Error occured while trying to connect to the database

Exception while loading class
org.gjt.mm.mysql.Driver


org.pentaho.di.core.exception.KettleDatabaseException: 
Error occured while trying to connect to the database

Exception while loading class
org.gjt.mm.mysql.Driver


at org.pentaho.di.core.database.Database.normalConnect(Database.java:368)
at org.pentaho.di.core.database.Database.connect(Database.java:317)
at org.pentaho.di.core.database.Database.connect(Database.java:279)
at org.pentaho.di.core.database.Database.connect(Database.java:269)
at org.pentaho.di.core.database.DatabaseFactory.getConnectionTestReport(DatabaseFactory.java:86)
at org.pentaho.di.core.database.DatabaseMeta.testConnection(DatabaseMeta.java:2464)
at org.pentaho.ui.database.event.DataHandler.testDatabaseConnection(DataHandler.java:533)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:329)
at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:139)
at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:123)
at org.pentaho.ui.xul.swt.tags.SwtButton.access$500(SwtButton.java:26)
at org.pentaho.ui.xul.swt.tags.SwtButton$4.widgetSelected(SwtButton.java:119)
at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:820)
at org.eclipse.jface.window.Window.open(Window.java:796)
at org.pentaho.ui.xul.swt.tags.SwtDialog.show(SwtDialog.java:378)
at org.pentaho.ui.xul.swt.tags.SwtDialog.show(SwtDialog.java:304)
at org.pentaho.di.ui.core.database.dialog.XulDatabaseDialog.open(XulDatabaseDialog.java:115)
at org.pentaho.di.ui.core.database.dialog.DatabaseDialog.open(DatabaseDialog.java:62)
at org.pentaho.di.ui.repository.kdr.KettleDatabaseRepositoryDialog$1.widgetSelected(KettleDatabaseRepositoryDialog.java:198)
at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
at org.pentaho.di.ui.repository.kdr.KettleDatabaseRepositoryDialog.open(KettleDatabaseRepositoryDialog.java:320)
at org.pentaho.di.ui.repository.kdr.KettleDatabaseRepositoryDialog.open(KettleDatabaseRepositoryDialog.java:75)
at org.pentaho.di.ui.repository.RepositoriesHelper.newRepository(RepositoriesHelper.java:119)
at org.pentaho.di.ui.repository.controllers.RepositoriesController.newRepository(RepositoriesController.java:272)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:329)
at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:139)
at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:123)
at org.pentaho.ui.xul.swt.tags.SwtButton.access$300(SwtButton.java:26)
at org.pentaho.ui.xul.swt.tags.SwtButton$2.mouseUp(SwtButton.java:87)
at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:820)
at org.eclipse.jface.window.Window.open(Window.java:796)
at org.pentaho.ui.xul.swt.tags.SwtDialog.show(SwtDialog.java:378)
at org.pentaho.ui.xul.swt.tags.SwtDialog.show(SwtDialog.java:304)
at org.pentaho.di.ui.repository.controllers.RepositoriesController.show(RepositoriesController.java:194)
at org.pentaho.di.ui.repository.RepositoriesDialog.show(RepositoriesDialog.java:102)
at org.pentaho.di.ui.spoon.Spoon.selectRep(Spoon.java:6754)
at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:6920)
at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:567)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.pentaho.commons.launcher.Launcher.main(Launcher.java:134)
Caused by: org.pentaho.di.core.exception.KettleDatabaseException: 
Exception while loading class
org.gjt.mm.mysql.Driver

at org.pentaho.di.core.database.Database.connectUsingClass(Database.java:423)
at org.pentaho.di.core.database.Database.normalConnect(Database.java:352)
... 64 more
Caused by: java.lang.ClassNotFoundException: org.gjt.mm.mysql.Driver
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at org.pentaho.di.core.database.Database.connectUsingClass(Database.java:414)
... 65 more

主机名       : localhost
端口           : 3306
数据库名:foodmart

在JDK的ext文件夹下放入数据库连接的jar包就行了

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