本文介绍了BIRT:无法检索XML数据源。 XML数据源文件无效或文件不存在的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我创建了一个从本地应用程序获取XML数据的XML数据源。当创建数据集时,我收到以下错误。 org.eclipse.datatools.connectivity.oda.OdaException:XML数据源无法检索。 XML数据源文件无效或文件不存在。
在org.eclipse.datatools.enablement.oda.xml.ui.wizards.XPathChoosePage.populateXMLTree(XPathChoosePage.java:482)
在org.eclipse.datatools.enablement.oda.xml.ui。 wizards.XPathChoosePage.createPageCustomControl(XPathChoosePage.java:121)
在org.eclipse.datatools.connectivity.oda.design.ui.wizards.DataSetWizardPage.createControl(DataSetWizardPage.java:123)
在org。 eclipse.jface.wizard.Wizard.createPageControls(Wizard.java:174)
在org.eclipse.jface.wizard.WizardDialog.createPageControls(WizardDialog.java:736)
在org.eclipse.jface。 wizard.WizardDialog.setWizard(WizardDialog.java:1182)
在org.eclipse.jface.wizard.WizardDialog.updateForPage(WizardDialog.java:1241)
在org.eclipse.jface.wizard.WizardDialog。访问$ 4(WizardDialog.java:1238)
在org.eclipse.jface.wizard.WizardDialog $ 8.run(WizardDialog.java:1227)
在org.eclipse.swt.custom.BusyIndicator.showWhile( BusyIndicator.java:70)
在org.eclipse.jface。 wizard.WizardDialog.showPage(WizardDialog.java:1225)
在org.eclipse.jface.wizard.WizardDialog.nextPressed(WizardDialog.java:915)
在org.eclipse.jface.wizard.WizardDialog。 buttonPressed(WizardDialog.java:428)
XML URL重新调用以下数据:
< table>
< row>
< marketName> dd< / marketName>
< goodsName>黑色大麦< / goodsName>
< priceType>批发< / priceType>
< pricePerQtl> 58.0< / pricePerQtl>
< date> 2014-07-03 15:18:21< / date>
< / row>
< / table>
解决方案
我只能在一个场景中再现开始前有空格标签。所以确保没有空格。
<?xml version =1.0encoding =UTF-8? >
< table>
< row>
< marketName> dd< / marketName>
< goodsName>黑色大麦< / goodsName>
< priceType>批发< / priceType>
< pricePerQtl> 58.0< / pricePerQtl>
< date> 2014-07-03 15:18:21< / date>
< / row>
< / table>
I created an XML data source that fetches XML data from a local application. when creating a data set I get the following error.
org.eclipse.datatools.connectivity.oda.OdaException: XML data source cannot be retrieved. XML data source file is invalid or the file doesn't exist.
at org.eclipse.datatools.enablement.oda.xml.ui.wizards.XPathChoosePage.populateXMLTree(XPathChoosePage.java:482)
at org.eclipse.datatools.enablement.oda.xml.ui.wizards.XPathChoosePage.createPageCustomControl(XPathChoosePage.java:121)
at org.eclipse.datatools.connectivity.oda.design.ui.wizards.DataSetWizardPage.createControl(DataSetWizardPage.java:123)
at org.eclipse.jface.wizard.Wizard.createPageControls(Wizard.java:174)
at org.eclipse.jface.wizard.WizardDialog.createPageControls(WizardDialog.java:736)
at org.eclipse.jface.wizard.WizardDialog.setWizard(WizardDialog.java:1182)
at org.eclipse.jface.wizard.WizardDialog.updateForPage(WizardDialog.java:1241)
at org.eclipse.jface.wizard.WizardDialog.access$4(WizardDialog.java:1238)
at org.eclipse.jface.wizard.WizardDialog$8.run(WizardDialog.java:1227)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
at org.eclipse.jface.wizard.WizardDialog.showPage(WizardDialog.java:1225)
at org.eclipse.jface.wizard.WizardDialog.nextPressed(WizardDialog.java:915)
at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:428)
The XML URL retuns the following data:
<table>
<row>
<marketName>dd</marketName>
<commodityName>Black Barley</commodityName>
<priceType>Wholesale</priceType>
<pricePerQtl>58.0</pricePerQtl>
<date>2014-07-03 15:18:21</date>
</row>
</table>
解决方案
I can only reproduce this in only in one scenario i.e there is whitespace before start tag. So make sure that there are no whitespaces.
<?xml version="1.0" encoding="UTF-8"?>
<table>
<row>
<marketName>dd</marketName>
<commodityName>Black Barley</commodityName>
<priceType>Wholesale</priceType>
<pricePerQtl>58.0</pricePerQtl>
<date>2014-07-03 15:18:21</date>
</row>
</table>
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