SpringBoot Upload Excel and read as JSON

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Uses Apache POI
Upload a Excel file and read it as JSON
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Responses may be delayed. Thanks for your support.

mickeyjava
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Thanks Mickey! You’ve saved my morning! It was very helpful your knowledge

leonardonam
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Mickey, Oh my God, your video is so awesome, I was able to develop a complete processing system from Excel, Thank you and Keep up the good work!

fishandfisherman
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CSV & Excel series both helpful. Thanks for sharing!

amarthyaseshu
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Hey sharan i was just searching for it. Though I didn't follow it completely I heard your voice and some old memories came up. The way you typing java 8 code I am motivated now to read it...

soumyakumarsahoo
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In my case, the row datas are not well mapped..Means not properly mapped with the key..Why it is happening.

Engineerschoicetutor
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How can we do if values are combination of int, string and list in excel sheet?

poojamishra
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i have error like this i use apache poi version 4.1.1 . any suggestion ?

adamabdullah
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Hi @Mickey, How to handle a big excel file around 100MB?
application is getting hanged for such case..
Please suggest

ShahidKhan-tcpu
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waht are the version and names of the library downloaded in the start

vaibhavvishal
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It's possible to show alerte if you have duplicate row id database

malaouitaoufik
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Is it possible to have ORM kind of thing with excel, like we do in Repository.
can we write class like :

@ExcelSheet("sheet-name")
class Emp {

@Cell("id")
int id;

@Cell("empName")
String empName;

}

ashishchoksi
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Current request is not a multipart request

facing this error.. please help

TheAyushmaan
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i think we need to remove the tempfile from server once data is uploaded. otherwise it will create huge number of files on multiple upload

pushp
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Hi Mickey, I'm getting this compilation error while returning from service class.

Cannot infer type argument(s) for <R> map(Function<? super T, ? extends R>)

Any idea what is this? I've written the exact code from your repo but still getting this.. Please help!

shodhikagupta
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How to learn Java 8 implementation. The way you were using. 👌

ajjai
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Awesome video
How read the save json and convert it to List ??

dusmantakumarmahanta
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Hi. How do I write an object to a text file and then have a method which is able to download it in a Spring Boot REST api?

omniversal
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Hey Mickey, is something missing in code ? i tried to execute the code as is and am getting "Cannot get a NUMERIC value from a STRING cell" error with same sample file

manikantatangudu
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Hi Mickey, how to deal with empty cells in excel here?

prasanthsainandyala
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