我正在編寫一些代碼來將Excel文件導入到數據庫。這些文件可能很大(數千行),所以我使用的是Event API。 POI版本是3.9使用apache POI讀取excel 2003文件 - FileNotFound
我打開這樣的文件: FileInputStream fin = new FileInputStream(file);
//create record listener
HSSFRecordListener mainListener = new HSSFRecordListener("aaa.xls");
// create a new org.apache.poi.poifs.filesystem.Filesystem
POIFSFileSystem poifs = new POIFSFileSystem(fin);
// get the Workbook (excel part) stream in a InputStream
din = poifs.createDocumentInputStream("Workbook");
某些文件將引發最後一行拋出FileNotFoundException。 事實上,如果我用7zip打開這些文件,沒有Workbook
條目,但是有Book
。
我試圖通過打開Book
條目解決此問題,如果Workbook
未找到。
try {
din = poifs.createDocumentInputStream("Workbook");
} catch (FileNotFoundException e) {
try {
din = poifs.createDocumentInputStream("Book");
} catch (FileNotFoundException e1) {
FileNotFoundException e2 = new FileNotFoundException("Neither Workbook nor Book found in file!");
e2.initCause(e1);
throw e2;
}
}
這導致另一個異常:
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.apache.poi.hssf.record.RecordFormatException: Unable to construct record instance
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:894)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393)
root cause
org.apache.poi.hssf.record.RecordFormatException: Unable to construct record instance
org.apache.poi.hssf.record.RecordFactory$ReflectionConstructorRecordCreator.create(RecordFactory.java:65)
org.apache.poi.hssf.record.RecordFactory.createSingleRecord(RecordFactory.java:301)
org.apache.poi.hssf.record.RecordFactoryInputStream$StreamEncryptionInfo.<init>(RecordFactoryInputStream.java:65)
org.apache.poi.hssf.record.RecordFactoryInputStream.<init>(RecordFactoryInputStream.java:182)
org.apache.poi.hssf.eventusermodel.HSSFEventFactory.genericProcessEvents(HSSFEventFactory.java:139)
org.apache.poi.hssf.eventusermodel.HSSFEventFactory.processEvents(HSSFEventFactory.java:106)
pl.veracomp.service.SpreadsheetImportService.process(SpreadsheetImportService.java:369)
pl.veracomp.controller.uploadController.onSubmit(uploadController.java:57)
org.springframework.web.servlet.mvc.SimpleFormController.processFormSubmission(SimpleFormController.java:272)
org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal(AbstractFormController.java:268)
org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393)
root cause
org.apache.poi.hssf.record.RecordFormatException: Not enough data (0) to read requested (2) bytes
org.apache.poi.hssf.record.RecordInputStream.checkRecordPosition(RecordInputStream.java:216)
org.apache.poi.hssf.record.RecordInputStream.readShort(RecordInputStream.java:233)
org.apache.poi.hssf.record.InterfaceHdrRecord.<init>(InterfaceHdrRecord.java:43)
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
java.lang.reflect.Constructor.newInstance(Constructor.java:513)
org.apache.poi.hssf.record.RecordFactory$ReflectionConstructorRecordCreator.create(RecordFactory.java:57)
org.apache.poi.hssf.record.RecordFactory.createSingleRecord(RecordFactory.java:301)
org.apache.poi.hssf.record.RecordFactoryInputStream$StreamEncryptionInfo.<init>(RecordFactoryInputStream.java:65)
org.apache.poi.hssf.record.RecordFactoryInputStream.<init>(RecordFactoryInputStream.java:182)
org.apache.poi.hssf.eventusermodel.HSSFEventFactory.genericProcessEvents(HSSFEventFactory.java:139)
org.apache.poi.hssf.eventusermodel.HSSFEventFactory.processEvents(HSSFEventFactory.java:106)
pl.veracomp.service.SpreadsheetImportService.process(SpreadsheetImportService.java:369)
pl.veracomp.controller.uploadController.onSubmit(uploadController.java:57)
org.springframework.web.servlet.mvc.SimpleFormController.processFormSubmission(SimpleFormController.java:272)
org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal(AbstractFormController.java:268)
org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393)
谷歌有一些信息關於在POI 3.2和3.7這有事情做與例外Not enough data (0) to read requested (2) bytes
固定錯誤,但它似乎是什麼其他。
同樣的文件可以成功地在Excel 2007中當我手動保存他們Save As=>Excel 97/2003
打開,7zip的表明Book
項已被替換Workbook
,我可以成功地與Apache POI導入。
有沒有人發現這個問題?如何解決它?
編輯
問題是,當我嘗試打開保存在Microsoft Excel 5.0/95文件格式的文件。
若要重現此問題,請創建新電子表格,輸入任何數據,並另存爲=> Microsoft Excel 5.0/95工作簿(* .xls)。
有什麼辦法可以用apache POI來讀取這種格式,或者我必須強制用戶在上傳之前升級他們的工作簿嗎?
該文件來自哪裏?'沒有足夠的數據(0)來讀取請求的(2)字節錯誤似乎表明它是一箇舊的或非標準的文件... – Gagravarr
這些文件是內部價格表,與PHP生成Pear_Excel_Spreadseet_Writer,然後打開我們的產品經理,修改等,並保存。 – SWilk
好的,我知道它是什麼... Spreadsheet_Excel_Writer是一個非常古老的庫。它會生成如此之舊的文件格式,以至於7zip甚至無法打開它來顯示結構。但是,當打開Office並保存格式「更新」爲「Microsoft Excel 5.0/95」時。 – SWilk