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将 pentaho 连接到 Neo4j 数据库：错误

[英]Connection pentaho to Neo4j database : Error

 原文  2017-04-25 07:26:16  9   1    jdbc/ neo4j/ pentaho

问题描述

I downloaded the community version of pentaho to create dashboards.我下载了 pentaho 的社区版本来创建仪表板。 I have a Neo4j database on my PC with my datas.我的 PC 上有一个包含我的数据的 Neo4j 数据库。 When I try to connect my report to my Neo4j database, I have an error that I can't resolve.当我尝试将我的报告连接到我的 Neo4j 数据库时，我遇到了一个我无法解决的错误。

I added the Neo4j connector tht I found on the marketplace in my report-design\/lib\/jdbc file我在我的 report-design\/lib\/jdbc 文件中添加了我在市场上找到的 Neo4j 连接器

https:\/\/i.stack.imgur.com\/MRVSN.jpg<\/a> https:\/\/i.stack.imgur.com\/MRVSN.jpg<\/a>

I open pentaho, I create a new report and I add a new JDBC connection of type generic database with the following informations :我打开 pentaho，我创建了一个新报告，并添加了一个新的 JDBC 类型的通用数据库连接，其中包含以下信息：

Connection type as Generic database Custom connection URL as jdbc:neo4j:\/\/localhost:7474 Custom driver class name as org.neo4j.jdbc.Driver连接类型为通用数据库 自定义连接 URL 为 jdbc:neo4j:\/\/localhost:7474 自定义驱动程序类名称为 org.neo4j.jdbc.Driver

https:\/\/i.stack.imgur.com\/43lU3.jpg<\/a> https:\/\/i.stack.imgur.com\/43lU3.jpg<\/a>

Neo4j is On Neo4j 开启

And when I click on test I have the following error :当我单击测试时，出现以下错误：

Erreur lors de la connexion à la Base de données [Neo4j connection] : org.pentaho.di.core.exception.KettleDatabaseException: 
Error occurred while trying to connect to the database

Error connecting to database: (using class org.neo4j.jdbc.Driver)
Internal Connector Error


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

Error connecting to database: (using class org.neo4j.jdbc.Driver)
Internal Connector Error


    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:2795)
    at org.pentaho.ui.database.event.DataHandler.testDatabaseConnection(DataHandler.java:598)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:313)
    at org.pentaho.ui.xul.swing.tags.SwingButton$OnClickRunnable.run(SwingButton.java:71)
    at java.awt.event.InvocationEvent.dispatch(Unknown Source)
    at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
    at java.awt.EventQueue.access$500(Unknown Source)
    at java.awt.EventQueue$3.run(Unknown Source)
    at java.awt.EventQueue$3.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
    at java.awt.EventQueue.dispatchEvent(Unknown Source)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
    at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
    at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
    at java.awt.WaitDispatchSupport$2.run(Unknown Source)
    at java.awt.WaitDispatchSupport$4.run(Unknown Source)
    at java.awt.WaitDispatchSupport$4.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.awt.WaitDispatchSupport.enter(Unknown Source)
    at java.awt.Dialog.show(Unknown Source)
    at java.awt.Component.show(Unknown Source)
    at java.awt.Component.setVisible(Unknown Source)
    at java.awt.Window.setVisible(Unknown Source)
    at java.awt.Dialog.setVisible(Unknown Source)
    at org.pentaho.ui.xul.swing.tags.SwingDialog.show(SwingDialog.java:250)
    at org.pentaho.reporting.ui.datasources.jdbc.ui.XulDatabaseDialog.open(XulDatabaseDialog.java:254)
    at org.pentaho.reporting.ui.datasources.jdbc.ui.ConnectionPanel$AddDataSourceAction.actionPerformed(ConnectionPanel.java:252)
    at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
    at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
    at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
    at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
    at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
    at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
    at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
    at java.awt.Component.processMouseEvent(Unknown Source)
    at javax.swing.JComponent.processMouseEvent(Unknown Source)
    at java.awt.Component.processEvent(Unknown Source)
    at java.awt.Container.processEvent(Unknown Source)
    at java.awt.Component.dispatchEventImpl(Unknown Source)
    at java.awt.Container.dispatchEventImpl(Unknown Source)
    at java.awt.Component.dispatchEvent(Unknown Source)
    at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
    at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
    at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
    at java.awt.Container.dispatchEventImpl(Unknown Source)
    at java.awt.Window.dispatchEventImpl(Unknown Source)
    at java.awt.Component.dispatchEvent(Unknown Source)
    at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
    at java.awt.EventQueue.access$500(Unknown Source)
    at java.awt.EventQueue$3.run(Unknown Source)
    at java.awt.EventQueue$3.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
    at java.awt.EventQueue$4.run(Unknown Source)
    at java.awt.EventQueue$4.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
    at java.awt.EventQueue.dispatchEvent(Unknown Source)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
    at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
    at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
    at java.awt.WaitDispatchSupport$2.run(Unknown Source)
    at java.awt.WaitDispatchSupport$4.run(Unknown Source)
    at java.awt.WaitDispatchSupport$4.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.awt.WaitDispatchSupport.enter(Unknown Source)
    at java.awt.Dialog.show(Unknown Source)
    at java.awt.Component.show(Unknown Source)
    at java.awt.Component.setVisible(Unknown Source)
    at java.awt.Window.setVisible(Unknown Source)
    at java.awt.Dialog.setVisible(Unknown Source)
    at org.pentaho.reporting.libraries.designtime.swing.CommonDialog.setVisible(CommonDialog.java:230)
    at org.pentaho.reporting.libraries.designtime.swing.CommonDialog.performEdit(CommonDialog.java:158)
    at org.pentaho.reporting.ui.datasources.jdbc.ui.JdbcDataSourceDialog.performConfiguration(JdbcDataSourceDialog.java:798)
    at org.pentaho.reporting.ui.datasources.jdbc.JdbcDataSourcePlugin.performEdit(JdbcDataSourcePlugin.java:71)
    at org.pentaho.reporting.designer.core.actions.report.AddDataFactoryAction.actionPerformed(AddDataFactoryAction.java:70)
    at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
    at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
    at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
    at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
    at javax.swing.AbstractButton.doClick(Unknown Source)
    at javax.swing.plaf.basic.BasicMenuItemUI.doClick(Unknown Source)
    at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(Unknown Source)
    at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
    at java.awt.Component.processMouseEvent(Unknown Source)
    at javax.swing.JComponent.processMouseEvent(Unknown Source)
    at java.awt.Component.processEvent(Unknown Source)
    at java.awt.Container.processEvent(Unknown Source)
    at java.awt.Component.dispatchEventImpl(Unknown Source)
    at java.awt.Container.dispatchEventImpl(Unknown Source)
    at java.awt.Component.dispatchEvent(Unknown Source)
    at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
    at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
    at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
    at java.awt.Container.dispatchEventImpl(Unknown Source)
    at java.awt.Window.dispatchEventImpl(Unknown Source)
    at java.awt.Component.dispatchEvent(Unknown Source)
    at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
    at java.awt.EventQueue.access$500(Unknown Source)
    at java.awt.EventQueue$3.run(Unknown Source)
    at java.awt.EventQueue$3.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
    at java.awt.EventQueue$4.run(Unknown Source)
    at java.awt.EventQueue$4.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
    at java.awt.EventQueue.dispatchEvent(Unknown Source)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
    at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
    at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
    at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
    at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: org.pentaho.di.core.exception.KettleDatabaseException: 
Error connecting to database: (using class org.neo4j.jdbc.Driver)
Internal Connector Error

    at org.pentaho.di.core.database.Database.connectUsingClass(Database.java:587)
    at org.pentaho.di.core.database.Database.normalConnect(Database.java:456)
    ... 125 more
Caused by: Internal Connector Error (1002) - The connector encountered an unexpected condition which prevented it from fulfilling the request
    at org.restlet.resource.ClientResource.doError(ClientResource.java:612)
    at org.restlet.resource.ClientResource.handleInbound(ClientResource.java:1202)
    at org.restlet.resource.ClientResource.handle(ClientResource.java:1069)
    at org.restlet.resource.ClientResource.handle(ClientResource.java:1044)
    at org.restlet.resource.ClientResource.handle(ClientResource.java:950)
    at org.restlet.resource.ClientResource.get(ClientResource.java:658)
    at org.neo4j.jdbc.rest.Resources$DiscoveryClientResource.readInformation(Resources.java:131)
    at org.neo4j.jdbc.rest.Resources.getDiscoveryResource(Resources.java:65)
    at org.neo4j.jdbc.rest.Resources.getDiscoveryResource(Resources.java:60)
    at org.neo4j.jdbc.Neo4jConnection.getDiscoveryResource(Neo4jConnection.java:80)
    at org.neo4j.jdbc.Neo4jConnection.createExecutor(Neo4jConnection.java:69)
    at org.neo4j.jdbc.Neo4jConnection.<init>(Neo4jConnection.java:61)
    at org.neo4j.jdbc.Connections$4.doCreate(Connections.java:51)
    at org.neo4j.jdbc.Connections.create(Connections.java:62)
    at org.neo4j.jdbc.Driver.connect(Driver.java:64)
    at org.neo4j.jdbc.Driver.connect(Driver.java:36)
    at java.sql.DriverManager.getConnection(Unknown Source)
    at java.sql.DriverManager.getConnection(Unknown Source)
    at org.pentaho.di.core.database.Database.connectUsingClass(Database.java:567)
    ... 126 more
Caused by: java.lang.NullPointerException
    at org.restlet.ext.httpclient.internal.HttpMethodCall.sendRequest(HttpMethodCall.java:336)
    at org.restlet.engine.adapter.ClientAdapter.commit(ClientAdapter.java:114)
    at org.restlet.engine.adapter.HttpClientHelper.handle(HttpClientHelper.java:112)
    at org.restlet.Client.handle(Client.java:180)
    at org.restlet.resource.ClientResource.handle(ClientResource.java:1136)
    at org.restlet.resource.ClientResource.retry(ClientResource.java:1610)
    at org.restlet.resource.ClientResource.handle(ClientResource.java:1171)
    at org.restlet.resource.ClientResource.retry(ClientResource.java:1610)
    at org.restlet.resource.ClientResource.handle(ClientResource.java:1171)
    at org.restlet.resource.ClientResource.handleOutbound(ClientResource.java:1225)
    at org.restlet.resource.ClientResource.handle(ClientResource.java:1068)
    ... 142 more

URL personnalisée       :jdbc:neo4j://localhost:7474
Classe pilote personnalisé       :org.neo4j.jdbc.Driver

1 个解决方案

解决方案1
 0  2022-01-27 21:35:54

Try copy Driver Neo4j this path: %pantaho_home%\\lib尝试复制 Driver Neo4j 这个路径：%pantaho_home%\\lib

I'm using neo4j-jdbc-driver-4.0.2.jar driver.我正在使用 neo4j-jdbc-driver-4.0.2.jar 驱动程序。

Hope I helped with your problem希望我对您的问题有所帮助

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