what version of hssf are you using?
Nandan Kidambi wrote:
Scenario:
Iam trying to read and write an excel sheet from a server to a client. I have to read the excel from a DBserver & workflow server (which is not the same from tomcat server and has a firewall between them.) So making a http conn from servlet engine server. I know that in the url Iam getting a valid excel file ( coz from the server where it was written to by another process I can open it).
Reading a stream from Http (via a httpurlconnection.getinputstream()). This iam writing to the response : like below..
response.setContentType("application/vnd.ms-excel"); InputStream in= httpurlconnection.getInputStream(); POIFSFileSystem fs= new POIFSFileSystem(in); HSSFWorkbook wb = new HSSFWorkbook(); OutputStream out = response.getOutputStream(); wb.write(out); out.close();
When I execute, Iam getting the below error.. Could someone please help ?? This is stopping our dev for the customer. What am I doing wrong or should do differently?
java.io.IOException: Invalid header signature; read 8387989908914269500, expected -2226271756974174256 at org.apache.poi.poifs.storage.HeaderBlockReader(HeaderBlockReader.java :124) at org.apache.poi.poifs.filesystem.POIFSFileSystem(POIFSFileSystem.java:120)
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