【已解决】Kettle新建数据库连接报错（Mysql，MS Sql Server）

E:\迅雷下载\Kettle-pdi-ce-7.1.0.0-12\data-integration

运行spoon.bat

新建-数据库

报错内容：

org.pentaho.ui.xul.XulException: org.pentaho.ui.xul.XulException: java.lang.reflect.InvocationTargetException
    at org.pentaho.ui.xul.impl.AbstractXulLoader.loadXul(AbstractXulLoader.java:134)
    at org.pentaho.ui.xul.swt.SwtXulLoader.loadXul(SwtXulLoader.java:128)
    at org.pentaho.ui.xul.swt.SwtXulLoader.loadXul(SwtXulLoader.java:122)
    at org.pentaho.ui.xul.impl.AbstractXulLoader.loadXul(AbstractXulLoader.java:242)
    at org.pentaho.ui.database.DatabaseConnectionDialog.getSwtInstance(DatabaseConnectionDialog.java:60)
    at org.pentaho.di.ui.core.database.dialog.XulDatabaseDialog.createDialog(XulDatabaseDialog.java:147)
    at org.pentaho.di.ui.core.database.dialog.XulDatabaseDialog.open(XulDatabaseDialog.java:105)
    at org.pentaho.di.ui.core.database.dialog.DatabaseDialog.open(DatabaseDialog.java:60)
    at org.pentaho.di.ui.spoon.delegates.SpoonDBDelegate.newConnection(SpoonDBDelegate.java:485)
    at org.pentaho.di.ui.spoon.delegates.SpoonDBDelegate.newConnection(SpoonDBDelegate.java:472)
    at org.pentaho.di.ui.spoon.Spoon.newConnection(Spoon.java:8788)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:564)
    at org.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:313)
    at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:157)
    at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:141)
    at org.pentaho.ui.xul.jface.tags.JfaceMenuitem.access$100(JfaceMenuitem.java:43)
    at org.pentaho.ui.xul.jface.tags.JfaceMenuitem$1.run(JfaceMenuitem.java:106)
    at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
    at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:545)
    at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:490)
    at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:402)
    at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
    at org.eclipse.swt.widgets.Display.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.spoon.Spoon.readAndDispatch(Spoon.java:1366)
    at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:8022)
    at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:9277)
    at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:692)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:564)
    at org.pentaho.commons.launcher.Launcher.main(Launcher.java:92)
Caused by: org.pentaho.ui.xul.XulException: java.lang.reflect.InvocationTargetException
    at org.pentaho.ui.xul.impl.XulParser.getElement(XulParser.java:239)
    at org.pentaho.ui.xul.impl.XulParser.parse(XulParser.java:164)
    at org.pentaho.ui.xul.impl.XulParser.parseDocument(XulParser.java:85)
    at org.pentaho.ui.xul.impl.AbstractXulLoader.loadXul(AbstractXulLoader.java:126)
    ... 37 more
Caused by: java.lang.reflect.InvocationTargetException
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:564)
    at org.apache.commons.beanutils.PropertyUtilsBean.invokeMethod(PropertyUtilsBean.java:2127)
    at org.apache.commons.beanutils.PropertyUtilsBean.setSimpleProperty(PropertyUtilsBean.java:2108)
    at org.apache.commons.beanutils.PropertyUtilsBean.setNestedProperty(PropertyUtilsBean.java:1914)
    at org.apache.commons.beanutils.PropertyUtilsBean.setProperty(PropertyUtilsBean.java:2021)
    at org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java:1018)
    at org.apache.commons.beanutils.BeanUtilsBean.populate(BeanUtilsBean.java:823)
    at org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:431)
    at org.pentaho.ui.xul.impl.XulParser.getElement(XulParser.java:235)
    ... 40 more
Caused by: java.lang.ClassCastException: class [Ljava.lang.Object; cannot be cast to class [Ljava.lang.String; ([Ljava.lang.Object; and [Ljava.lang.String; are in module java.base of loader 'bootstrap')
    at org.pentaho.ui.xul.swt.tags.SwtDialog.setButtons(SwtDialog.java:268)
    ... 52 more

解决方案：重新安装jdk8，并配置环境变量。

As mentioned in Pentaho Components Reference, Only Java 8 is supported by Pentaho Data Integration, So it is not recommended to try out Java 9 or Java 11 at the moment (until they release a version which supports above Java 8).

jdk8下载：

https://www.oracle.com/java/technologies/javase/javase-jdk8-downloads.html

下载地址：https://download.oracle.com/otn/java/jdk/8u251-b08/3d5a2bb8f8d4428bbe94aed7ec7ae784/jdk-8u251-windows-x64.exe?AuthParam=1592214346_b478a010230ec68704d8566f35aa3c18

jdk环境变量设置：https://jingyan.baidu.com/article/6dad5075d1dc40a123e36ea3.html

安装成功后，会有Rusn configurations出现。

创建mysql连接:

create USER 'mytest'@'%' IDENTIFIED BY 'admin';
GRANT ALL ON *.* TO 'mytest'@'%';

FLUSH privileges

mysql-connector-java-5.1.5-bin.jar 放到lib\下测试。

连接Mysql报错：

报错：

错误连接数据库 [mysql1] : org.pentaho.di.core.exception.KettleDatabaseException: 
Error occurred while trying to connect to the database

Error connecting to database: (using class org.gjt.mm.mysql.Driver)
Unknown initial character set index '255' received from server. Initial client character set can be forced via the 'characterEncoding' property.


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

Error connecting to database: (using class org.gjt.mm.mysql.Driver)
Unknown initial character set index '255' received from server. Initial client character set can be forced via the 'characterEncoding' property.


    at org.pentaho.di.core.database.Database.normalConnect(Database.java:472)
    at org.pentaho.di.core.database.Database.connect(Database.java:370)
    at org.pentaho.di.core.database.Database.connect(Database.java:341)
    at org.pentaho.di.core.database.Database.connect(Database.java:331)
    at org.pentaho.di.core.database.DatabaseFactory.getConnectionTestReport(DatabaseFactory.java:80)
    at org.pentaho.di.core.database.DatabaseMeta.testConnection(DatabaseMeta.java:2783)
    at org.pentaho.ui.database.event.DataHandler.testDatabaseConnection(DataHandler.java:597)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:313)
    at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:157)
    at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:141)
    at org.pentaho.ui.xul.swt.tags.SwtButton.access$500(SwtButton.java:43)
    at org.pentaho.ui.xul.swt.tags.SwtButton$4.widgetSelected(SwtButton.java:137)
    at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
    at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
    at org.eclipse.swt.widgets.Display.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.di.ui.xul.KettleDialog.show(KettleDialog.java:80)
    at org.pentaho.di.ui.xul.KettleDialog.show(KettleDialog.java:47)
    at org.pentaho.di.ui.core.database.dialog.XulDatabaseDialog.open(XulDatabaseDialog.java:116)
    at org.pentaho.di.ui.core.database.dialog.DatabaseDialog.open(DatabaseDialog.java:60)
    at org.pentaho.di.ui.spoon.delegates.SpoonDBDelegate.newConnection(SpoonDBDelegate.java:485)
    at org.pentaho.di.ui.spoon.delegates.SpoonDBDelegate.newConnection(SpoonDBDelegate.java:472)
    at org.pentaho.di.ui.spoon.Spoon.doubleClickedInTree(Spoon.java:3073)
    at org.pentaho.di.ui.spoon.Spoon.doubleClickedInTree(Spoon.java:3043)
    at org.pentaho.di.ui.spoon.Spoon.access$2300(Spoon.java:361)
    at org.pentaho.di.ui.spoon.Spoon$26.widgetDefaultSelected(Spoon.java:6184)
    at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
    at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
    at org.eclipse.swt.widgets.Display.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.spoon.Spoon.readAndDispatch(Spoon.java:1366)
    at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:8022)
    at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:9277)
    at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:692)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.pentaho.commons.launcher.Launcher.main(Launcher.java:92)
Caused by: org.pentaho.di.core.exception.KettleDatabaseException: 
Error connecting to database: (using class org.gjt.mm.mysql.Driver)
Unknown initial character set index '255' received from server. Initial client character set can be forced via the 'characterEncoding' property.

    at org.pentaho.di.core.database.Database.connectUsingClass(Database.java:585)
    at org.pentaho.di.core.database.Database.normalConnect(Database.java:456)
    ... 48 more
Caused by: java.sql.SQLException: Unknown initial character set index '255' received from server. Initial client character set can be forced via the 'characterEncoding' property.
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1056)
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:957)
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927)
    at com.mysql.jdbc.ConnectionImpl.configureClientCharacterSet(ConnectionImpl.java:1681)
    at com.mysql.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:3422)
    at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2046)
    at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:729)
    at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
    at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:302)
    at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:283)
    at java.sql.DriverManager.getConnection(DriverManager.java:664)
    at java.sql.DriverManager.getConnection(DriverManager.java:247)
    at org.pentaho.di.core.database.Database.connectUsingClass(Database.java:567)
    ... 49 more

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

把data-integration/lib下mysql-connector-java-5.1.5-bin.jar，换成mysql-connector-java-8.0.20.jar,报错:

错误连接数据库 [mysql1] : org.pentaho.di.core.exception.KettleDatabaseException: 
Error occurred while trying to connect to the database

Driver class 'sun.jdbc.odbc.JdbcOdbcDriver' could not be found, make sure the 'MS SQL Server' driver (jar file) is installed.
sun.jdbc.odbc.JdbcOdbcDriver


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

Driver class 'sun.jdbc.odbc.JdbcOdbcDriver' could not be found, make sure the 'MS SQL Server' driver (jar file) is installed.
sun.jdbc.odbc.JdbcOdbcDriver


    at org.pentaho.di.core.database.Database.normalConnect(Database.java:472)
    at org.pentaho.di.core.database.Database.connect(Database.java:370)
    at org.pentaho.di.core.database.Database.connect(Database.java:341)
    at org.pentaho.di.core.database.Database.connect(Database.java:331)
    at org.pentaho.di.core.database.DatabaseFactory.getConnectionTestReport(DatabaseFactory.java:80)
    at org.pentaho.di.core.database.DatabaseMeta.testConnection(DatabaseMeta.java:2783)
    at org.pentaho.ui.database.event.DataHandler.testDatabaseConnection(DataHandler.java:597)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:313)
    at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:157)
    at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:141)
    at org.pentaho.ui.xul.swt.tags.SwtButton.access$500(SwtButton.java:43)
    at org.pentaho.ui.xul.swt.tags.SwtButton$4.widgetSelected(SwtButton.java:137)
    at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
    at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
    at org.eclipse.swt.widgets.Display.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.di.ui.xul.KettleDialog.show(KettleDialog.java:80)
    at org.pentaho.di.ui.xul.KettleDialog.show(KettleDialog.java:47)
    at org.pentaho.di.ui.core.database.dialog.XulDatabaseDialog.open(XulDatabaseDialog.java:116)
    at org.pentaho.di.ui.core.database.dialog.DatabaseDialog.open(DatabaseDialog.java:60)
    at org.pentaho.di.ui.spoon.delegates.SpoonDBDelegate.newConnection(SpoonDBDelegate.java:485)
    at org.pentaho.di.ui.spoon.delegates.SpoonDBDelegate.newConnection(SpoonDBDelegate.java:472)
    at org.pentaho.di.ui.spoon.Spoon.doubleClickedInTree(Spoon.java:3073)
    at org.pentaho.di.ui.spoon.Spoon.doubleClickedInTree(Spoon.java:3043)
    at org.pentaho.di.ui.spoon.Spoon.access$2300(Spoon.java:361)
    at org.pentaho.di.ui.spoon.Spoon$26.widgetDefaultSelected(Spoon.java:6184)
    at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
    at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
    at org.eclipse.swt.widgets.Display.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.spoon.Spoon.readAndDispatch(Spoon.java:1366)
    at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:8022)
    at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:9277)
    at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:692)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.pentaho.commons.launcher.Launcher.main(Launcher.java:92)
Caused by: org.pentaho.di.core.exception.KettleDatabaseException: 
Driver class 'sun.jdbc.odbc.JdbcOdbcDriver' could not be found, make sure the 'MS SQL Server' driver (jar file) is installed.
sun.jdbc.odbc.JdbcOdbcDriver

    at org.pentaho.di.core.database.Database.connectUsingClass(Database.java:515)
    at org.pentaho.di.core.database.Database.normalConnect(Database.java:456)
    ... 48 more
Caused by: java.lang.ClassNotFoundException: sun.jdbc.odbc.JdbcOdbcDriver
    at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
    at org.pentaho.di.core.database.Database.connectUsingClass(Database.java:490)
    ... 49 more

主机名       : 
端口           : 1521
数据库名:mytest

JDBC Drivers Reference - Pentaho Documentation

MySQL

Oracle

https://dev.mysql.com/downloads/connector/j/5.1.html

REF:https://help.pentaho.com/Documentation/8.0/Setup/JDBC_Drivers_Reference

最终把mysql-connector-java-5.1.49-bin.jar放到lib文件夹下，成功了。
Kettle-pdi-ce-7.1.0.0-12\data-integration\lib\

MS SQL SERVER

JDBC Driver

It is recommended to use the official Microsoft JDBC Driver for SQL Server (v4.0) to connect PDI to a Microsoft SQL Server.

For Integrated Security authentication, the JDBC driver requires the bundled "DLL" file to also be added. The DLL file can be added to the "libswt/win64/" directory of the data-integration client.

报错：

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

Error connecting to database: (using class com.microsoft.sqlserver.jdbc.SQLServerDriver)
通过端口 1433 连接到主机 localhost 的 TCP/IP 连接失败。错误:“Connection refused: connect。请验证连接属性。确保 SQL Server 的实例正在主机上运行，且在此端口接受 TCP/IP 连接，还要确保防火墙没有阻止到此端口的 TCP 连接。”。


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

Error connecting to database: (using class com.microsoft.sqlserver.jdbc.SQLServerDriver)
通过端口 1433 连接到主机 localhost 的 TCP/IP 连接失败。错误:“Connection refused: connect。请验证连接属性。确保 SQL Server 的实例正在主机上运行，且在此端口接受 TCP/IP 连接，还要确保防火墙没有阻止到此端口的 TCP 连接。”。


    at org.pentaho.di.core.database.Database.normalConnect(Database.java:472)
    at org.pentaho.di.core.database.Database.connect(Database.java:370)
    at org.pentaho.di.core.database.Database.connect(Database.java:341)
    at org.pentaho.di.core.database.Database.connect(Database.java:331)
    at org.pentaho.di.core.database.DatabaseFactory.getConnectionTestReport(DatabaseFactory.java:80)
    at org.pentaho.di.core.database.DatabaseMeta.testConnection(DatabaseMeta.java:2783)
    at org.pentaho.ui.database.event.DataHandler.testDatabaseConnection(DataHandler.java:597)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:313)
    at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:157)
    at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:141)
    at org.pentaho.ui.xul.swt.tags.SwtButton.access$500(SwtButton.java:43)
    at org.pentaho.ui.xul.swt.tags.SwtButton$4.widgetSelected(SwtButton.java:137)
    at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
    at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
    at org.eclipse.swt.widgets.Display.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.di.ui.xul.KettleDialog.show(KettleDialog.java:80)
    at org.pentaho.di.ui.xul.KettleDialog.show(KettleDialog.java:47)
    at org.pentaho.di.ui.core.database.dialog.XulDatabaseDialog.open(XulDatabaseDialog.java:116)
    at org.pentaho.di.ui.core.database.dialog.DatabaseDialog.open(DatabaseDialog.java:60)
    at org.pentaho.di.ui.spoon.delegates.SpoonDBDelegate.newConnection(SpoonDBDelegate.java:485)
    at org.pentaho.di.ui.spoon.delegates.SpoonDBDelegate.newConnection(SpoonDBDelegate.java:472)
    at org.pentaho.di.ui.spoon.Spoon.newConnection(Spoon.java:8788)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:313)
    at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:157)
    at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:141)
    at org.pentaho.ui.xul.jface.tags.JfaceMenuitem.access$100(JfaceMenuitem.java:43)
    at org.pentaho.ui.xul.jface.tags.JfaceMenuitem$1.run(JfaceMenuitem.java:106)
    at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
    at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:545)
    at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:490)
    at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:402)
    at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
    at org.eclipse.swt.widgets.Display.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.spoon.Spoon.readAndDispatch(Spoon.java:1366)
    at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:8022)
    at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:9277)
    at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:692)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.pentaho.commons.launcher.Launcher.main(Launcher.java:92)
Caused by: org.pentaho.di.core.exception.KettleDatabaseException: 
Error connecting to database: (using class com.microsoft.sqlserver.jdbc.SQLServerDriver)
通过端口 1433 连接到主机 localhost 的 TCP/IP 连接失败。错误:“Connection refused: connect。请验证连接属性。确保 SQL Server 的实例正在主机上运行，且在此端口接受 TCP/IP 连接，还要确保防火墙没有阻止到此端口的 TCP 连接。”。

    at org.pentaho.di.core.database.Database.connectUsingClass(Database.java:585)
    at org.pentaho.di.core.database.Database.normalConnect(Database.java:456)
    ... 57 more
Caused by: com.microsoft.sqlserver.jdbc.SQLServerException: 通过端口 1433 连接到主机 localhost 的 TCP/IP 连接失败。错误:“Connection refused: connect。请验证连接属性。确保 SQL Server 的实例正在主机上运行，且在此端口接受 TCP/IP 连接，还要确保防火墙没有阻止到此端口的 TCP 连接。”。
    at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDriverError(SQLServerException.java:191)
    at com.microsoft.sqlserver.jdbc.SQLServerException.ConvertConnectExceptionToSQLServerException(SQLServerException.java:242)
    at com.microsoft.sqlserver.jdbc.SocketFinder.findSocket(IOBuffer.java:2280)
    at com.microsoft.sqlserver.jdbc.TDSChannel.open(IOBuffer.java:493)
    at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:1388)
    at com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:1069)
    at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectInternal(SQLServerConnection.java:905)
    at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:452)
    at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:1014)
    at java.sql.DriverManager.getConnection(DriverManager.java:664)
    at java.sql.DriverManager.getConnection(DriverManager.java:270)
    at org.pentaho.di.core.database.Database.connectUsingClass(Database.java:558)
    ... 58 more

主机名       : localhost
端口           : 1433
数据库名:MyDatabase

【解决方案】安装jdbc包：sqljdbc42.jar 放到kettle的lib\下。TCP/IP设为Enabled和SQL SERVER BROWSER启动。

ref -jdbc下载;http://www.java2s.com/Code/Jar/s/Downloadsqljdbc420jar.htm

ref - 打开Browser，：https://blog.csdn.net/jacky4955/article/details/45365049

REF: 启动TCP/IP : https://blog.csdn.net/qq_31010431/article/details/71263873

必须要重启生效。

测试成功：

官方文档：
https://wiki.pentaho.com/display/EAI/MS+SQL+Server

https://docs.microsoft.com/en-us/sql/connect/jdbc/release-notes-for-the-jdbc-driver?view=sql-server-ver15#41
经验：



https://blog.adamretter.org.uk/pentaho-kettle-and-sql-server/

来源：oschina

链接：https://my.oschina.net/u/4397965/blog/4314591

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