I have some excel files which i need to upload and save all the content in database. In my excel files sometimes some column which is not mandatory is not present but in cases where it is mandatory it will be present So How can i handle this situation single spring boot controller which run in all these 3 excel
Tag: apache-poi
Conditional formatting highlight only invalid cells
I am creating below conditional formatting rule in Apache POI. Issue Expected: The formula should highlight only invalid values in column ‘J’. Actual: But all values of the entire column ‘J’ get highlighted, even for valid values. Formula Full Code Required manual post-production in Excel Now I did the below steps Add three values in column ‘J’ named “State”. All
Issues when trying to open an xlsx restricted file: org.apache.poi.openxml4j.exceptions.InvalidOperationException
I have a big issue on a Java tool I work with. Every time I try to upload an xlsx file that is marked as “Restricted with protection”, I got the same exception There is no password on that excel file, it’s just an upgrade of MS office that apply this kind of restriction for every file that is downloaded
No png File created after creating snapshot of parent node and saving through FileChooser.showSaveDialog() Java
Hi all so i am attempting to create a gui where one can drag and drop images of components into a stackpane, then take this finished layout / image (of multiple uploaded images) and put it into an excel file, i figured it would be better to save a local version of that snapshoted node first on the users computer
Apache Poi – XWPF: How to change font color, size, style of the footer Page Number in docx
I have tried the code below, but it seems that setColor() only updates the text in the paragraph — it does not affect the color of CTSimpleField Page Number. Is there a way to update the CTSimpleField font color, style, and size? or is there a different way to generate Page Numbers where we can update their font color? Answer
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 ‘[‘
How to get SignatureLines excel apache poi
Good morning, I created an excel with signature lines. I’m trying to obtain signature lines in a excel document with apache poi library. XSSFWorkbook w = new XSSFWorkbook(mp.getInputStream()); w.get……? Any suggestion? Thanks in advance, Pablo I see there is a class called XSSFSignatureLine but i don’t see any example to use it. Answer To get/set a signature line from/into an
How is the best way to extract a section from word document with Apache poi?
I´m using Apache poi (XWPF) with Springboot in java 11. I need to extract the section number 2 (title and content) from a word document with the follow numerated list: word_example I would like to know what is the best way to get only section 2 and its content to create a new word document with only that part. thx.
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