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haiwan / Exporter

A Vaadin Add-on which exports data (in container) to an excel file
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Null Pointer #6

Open grabelle opened 11 years ago

grabelle commented 11 years ago

Hi I get an error if I don't provide the visible colums. (see stack trace). If I provide them, I just get an empty file. Could you please help.$ thx

java.lang.NullPointerException at org.vaadin.haijian.filegenerator.FileBuilder.buildColumnHeaders(FileBuilder.java:80) at org.vaadin.haijian.filegenerator.FileBuilder.buildFileContent(FileBuilder.java:70) at org.vaadin.haijian.filegenerator.FileBuilder.getFile(FileBuilder.java:53) at org.vaadin.haijian.Exporter.getStream(Exporter.java:101) at com.vaadin.server.StreamResource.getStream(StreamResource.java:141) at com.vaadin.server.FileDownloader.handleConnectorRequest(FileDownloader.java:140) at com.vaadin.server.ConnectorResourceHandler.handleRequest(ConnectorResourceHandler.java:83)