We were able to observe the exception on saving your source workbook with the latest version and logged this issue in our database for investigation. We will look into it and fix it. Once, the issue is resolved or we have some other update for you, we will let you know asap.
This issue has been logged as
CELLSJAVA-42080 - Exception on saving the workbook
I have also shown the exception caused by this code for a reference.
Java
Workbook workbook = new Workbook(dirPath + “pv00008.xls”);
workbook.save(dirPath + “output.xls”);
Exception
Exception in thread “main” java.lang.ArrayIndexOutOfBoundsException
It is good to know that your issue is resolved with the latest fix. Let us know if you encounter any other issue, we will be glad to look into it and help you further.
The next version 16.12.0 is expected to be released between 15-25 December, so we are afraid, you will have to wait till then. However, you can use this fix for your production use without any problem.