Pentaho Spoon 无法粘贴数据：读取 XML 字符串错误

2023/03/28 15:12:44 - org.pentaho.di.trans.steps.insertupdate.InsertUpdateMeta@1b791df - ERROR (version 8.2.0.0-342, build 8.2.0.0-342 from 2018-11-14 10.30.55 by buildguy) : 因为一个错误无法从以前的步骤里获取字段 2023/03/28 15:24:13 - Spoon - ERROR (version 8.2.0.0-342, build 8.2.0.0-342 from 2018-11-14 10.30.55 by buildguy) : Unable to paste 2023/03/28 15:24:13 - Spoon - ERROR (version 8.2.0.0-342, build 8.2.0.0-342 from 2018-11-14 10.30.55 by buildguy) : org.pentaho.di.core.exception.KettleXMLException: 2023/03/28 15:24:13 - Spoon - Error reading information from XML string : 2023/03/28 15:24:13 - Spoon - SELECT *,current_date() as dt FROM areas 2023/03/28 15:24:13 - Spoon - Content is not allowed in prolog. 2023/03/28 15:24:13 - Spoon - 2023/03/28 15:24:13 - Spoon - at org.pentaho.di.core.xml.XMLHandler.loadXMLString(XMLHandler.java:759) 2023/03/28 15:24:13 - Spoon - at org.pentaho.di.core.xml.XMLHandler.loadXMLString(XMLHandler.java:739) 2023/03/28 15:24:13 - Spoon - at org.pentaho.di.core.xml.XMLHandler.loadXMLString(XMLHandler.java:708) 2023/03/28 15:24:13 - Spoon - at org.pentaho.di.ui.spoon.Spoon.paste(Spoon.java:8437) 2023/03/28 15:24:13 - Spoon - at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 2023/03/28 15:24:13 - Spoon - at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) 2023/03/28 15:24:13 - Spoon - at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 2023/03/28 15:24:13 - Spoon - at java.lang.reflect.Method.invoke(Unknown Source) 2023/03/28 15:24:13 - Spoon - at org.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:313) 2023/03/28 15:24:13 - Spoon - at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:157) 2023/03/28 15:24:13 - Spoon - at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:141) 2023/03/28 15:24:13 - Spoon - at org.pentaho.ui.xul.jface.tags.JfaceMenuitem.access$100(JfaceMenuitem.java:43) 2023/03/28 15:24:13 - Spoon - at org.pentaho.ui.xul.jface.tags.JfaceMenuitem$1.run(JfaceMenuitem.java:106) 2023/03/28 15:24:13 - Spoon - at org.eclipse.jface.action.Action.runWithEvent(Action.java:498) 2023/03/28 15:24:13 - Spoon - at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:545) 2023/03/28 15:24:13 - Spoon - at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:490) 2023/03/28 15:24:13 - Spoon - at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:402) 2023/03/28 15:24:13 - Spoon - at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source) 2023/03/28 15:24:13 - Spoon - at org.eclipse.swt.widgets.Display.sendEvent(Unknown Source) 2023/03/28 15:24:13 - Spoon - at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source) 2023/03/28 15:24:13 - Spoon - at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source) 2023/03/28 15:24:13 - Spoon - at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source) 2023/03/28 15:24:13 - Spoon - at org.pentaho.di.ui.trans.steps.tableinput.TableInputDialog.open(TableInputDialog.java:436) 2023/03/28 15:24:13 - Spoon - at org.pentaho.di.ui.spoon.delegates.SpoonStepsDelegate.editStep(SpoonStepsDelegate.java:120) 2023/03/28 15:24:13 - Spoon - at org.pentaho.di.ui.spoon.Spoon.editStep(Spoon.java:8662) 2023/03/28 15:24:13 - Spoon - at org.pentaho.di.ui.spoon.trans.TransGraph.editStep(TransGraph.java:3293) 2023/03/28 15:24:13 - Spoon - at org.pentaho.di.ui.spoon.trans.TransGraph.mouseDoubleClick(TransGraph.java:785) 2023/03/28 15:24:13 - Spoon - at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source) 2023/03/28 15:24:13 - Spoon - at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source) 2023/03/28 15:24:13 - Spoon - at org.eclipse.swt.widgets.Display.sendEvent(Unknown Source) 2023/03/28 15:24:13 - Spoon - at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source) 2023/03/28 15:24:13 - Spoon - at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source) 2023/03/28 15:24:13 - Spoon - at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source) 2023/03/28 15:24:13 - Spoon - at org.pentaho.di.ui.spoon.Spoon.readAndDispatch(Spoon.java:1381) 2023/03/28 15:24:13 - Spoon - at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:7817) 2023/03/28 15:24:13 - Spoon - at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:9179) 2023/03/28 15:24:13 - Spoon - at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:707) 2023/03/28 15:24:13 - Spoon - at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 2023/03/28 15:24:13 - Spoon - at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) 2023/03/28 15:24:13 - Spoon - at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 2023/03/28 15:24:13 - Spoon - at java.lang.reflect.Method.invoke(Unknown Source) 2023/03/28 15:24:13 - Spoon - at org.pentaho.commons.launcher.Launcher.main(Launcher.java:92) 2023/03/28 15:24:13 - Spoon - Caused by: org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; Content is not allowed in prolog. 2023/03/28 15:24:13 - Spoon - at org.apache.xerces.parsers.DOMParser.parse(Unknown Source) 2023/03/28 15:24:13 - Spoon - at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source) 2023/03/28 15:24:13 - Spoon - at org.pentaho.di.core.xml.XMLHandler.loadXMLString(XMLHandler.java:750) 2023/03/28 15:24:13 - Spoon - ... 41 more

这些错误信息来自于Pentaho数据集成软件，具体含义如下：

因为一个错误无法从以前的步骤里获取字段：在插入或更新数据时，无法从之前的步骤中获取字段。
Unable to paste：无法粘贴数据。
Error reading information from XML string：读取XML字符串时出错。
Content is not allowed in prolog：在XML文件的开头出现无效字符。

这些错误可能是由于数据输入或软件配置错误引起的。需要进一步分析和调试以确定具体原因。