Bruno ,
I have found what the problem was: I have developed the application
using Tomcat 6.0 and published it in Tomcat 5.5.
The whole configuration was: Spring MVC, Apache POI and JFreeCharts (to
replace the lack of chart reading).
Now it works perfect with Tomcat 6.0 in Linux.
Thanks for support!
Bruno Girin schreef:
Adrian,
Can you provide a full stack trace of the exception please? It is very
difficult to identify where the problem is without that information.
An example spreadsheet and a sample of your code that causes the
exception would be useful too.
Also note that a NullPointerException is unlikely to be related to
memory issues so no need to get more memory for your server yet :-)
Bruno
2009/10/9 Adrian Butnaru <[email protected]>:
I made a mistake I use version 3.5 (poi-3.5-FINAL-2009.09.28.jar) not 2.5.
Excuses!
On Fri, Oct 9, 2009 at 9:11 AM, Adrian Butnaru <[email protected]> wrote:
POI version is 2.5 in both cases because I uploaded the war file
created bu Netbeans completely.
The XLS files are the same.
I am trying to identify what happens and If I comment all the lines
with setCellValue it happens first time I am trying to get the value
from the cell.
The differences between development version which works with Netbeans
in WIndows and the live version which gets errors on my Linux server
is that I am using tomcat 6 in windows and tomcat 5.5 in linux.
Another issue may be the fact that the server is actually a virtual
server 512 MB RAM and not a real server. I will try to upgrade to
tomcat 6. But if is a memory issue I really do not know what to do
further. Just pay for more memory on the virtual private server.
Thanks for helping,
Adrian
On Thu, Oct 8, 2009 at 8:39 PM, Josh Micich <[email protected]> wrote:
Platform specific bugs are relatively uncommon in POI, so it's likely
that your bug will be reproducible on windows too if you set up both
environments identically. Perhaps you have different versions of POI
deployed on Windows and Linux, or maybe the XLS file differs slightly
between the environments.
From what I understand you have some code like this:
cell1.setCellValue(42.0); // works OK
cell2.setCellValue("March"); // fails with NPE
Unfortunately, this is not enough information diagnose the problem.
Please attach a stack trace - it usually goes a long way to
identifying the problem.
After that, if the solution does not become obvious you might need to
open a Bugzilla entry and attach the XLS file and sample java code.
regards,
Josh
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