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From "Tom Holmes Jr." <...@tomholmes.net>
Subject NoSuchMethodError
Date Mon, 28 Apr 2008 17:40:11 GMT
I am using Struts 1.2 on JBoss and using JDK 1.6_u5 using the 
This is the only POI jar, I did not include the contrib or scratchpad 
JAR because I didn't think I'd need them.

I wrote a program to open to an excel file which works fine. 
I create a FileInputStream, and I can open to the file and get the first 
line which is header information.
So, I create the POIFileSystem, and then I can get the Workbook, and the 
Worksheet correctly.
This works perfectly and I can output the content to my console.

I am doing a build which creates an war file within the ear file, and 
after checking the ear file I can definitely see my lib directory and I 
can see I am including the correct poi-3.0.2-FINAL-20080204.jar file.  
When I run my web-based app, I am doing a struts file upload and I get 
the byte data from that upload.  I have confirmed that the byte array 
from the file is EXACTLY the same as the byte data when the file is 
After the file is uploaded, I use that byte data to create a 
ByteArrayInputStream and I try to parse my Excel file the same way as 
when I read a file in directly.
And then I get this error:

I don't get any errors in Eclipse indicating that this method does not 
exist.   So again, I was looking at the build to see how the EAR gets built.
I looked at the lib directory in the EAR file and I can see the JAR 
there.  If the JAR didn't exist, then I wouldn't have been able to 
create the POIFileSystem, the Workbook., or the Worksheet.

So, I am at a complete loss and need some help on figuring this out.    

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