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Tag: excel

apache poi convert excel to json [closed]

Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 5 months ago. Improve this question ExcelToJson converter The method works correctly, but at the output it produces an array, which I then need to write to the database. This array

Excel file gets corrupted after launching an executable jar

I have an Eclipse project with the following code that uses Apache POI. When I launch it from Eclipse, it works properly. Since I created the executable jar, when I use it, the Excel input file passes from 9 to 1 kB and it won’t open anymore. [EDIT: since I was asked: the file is only read, I never write

APACHE POI set formula by column name format

Have small problem when I want to set formula to cell by column name format. Let me show example: In excel file I can do something like this =[Name] So value from colmn B is copied to column A But when I try to do something like this in Apache POI I get exception: Parse error near char 0 ‘[‘

Java Apache POI Bug

While working with the Apache POI Implementation I ran into a strange behaviour. I cannot explain the cause, so if anybody can give some hints, I would love to hear them. It is not even a big blocker for the problem that I was solving – at this point it is more a curiosity thing. So here it goes: As

Formula recalculation in excel template POI JAVA

I have an Excel template file with formulas in some cells, I open it and fill in the values using POI. The problem is that the formulas aren’t automatically recalculated. But if I open this file and click on a cell with a value, it recalculates that cell. I found two ways to solve this issue in the documentation, but

How to copy excel sheet to the same worbook?

I’m trying to copy an existing excel sheet to the same workbook(it contains 3 sheets ) in java using Apache poi . Here is what i did : after running this code, the workbook contains always 3 sheets , the “copy_file” is not created, i’m not getting any errors or exceptions . any idea ? Answer You need to open