I have circumvented the situation by using copyStyleFrom(). I posted because a) I'm setting styles on cell in a new sheet in the origin workbook - which to me contradicts the helpful hint and b) I had been doing exactly that in the recent pass.

If you still want my code which generates the error I can back up a bit.  The partial stack trace I sent was all lines not in my code.


On 12/20/18 3:55 PM, Greg Woolsey wrote:
Can you provide a test case, sample code, or full stacktrace?  How is the
new sheet created? It looks to me from the code that the message means
exactly what it says - the style you are trying to set and the cell you are
trying to set it on come from different Workbook objects.  Both the style
and the cell hold a reference to the StylesTable object read from (or
created for) the Workbook in which they are found.  POI doesn't support
directly assigning styles across Workbook instances.  See this thread[1]
for a description of why, and what to do instead when you need to copy a
style between workbooks.

Greg

[1]
https://stackoverflow.com/questions/10773961/apache-poi-apply-one-style-to-different-workbooks

On Thu, Dec 20, 2018 at 11:58 AM Rob Sargent <[email protected]> wrote:

I'm using 4.0.1 as of this morning hoping this would help.  I have
recently begun to get:

     Exception in thread "main" java.lang.IllegalArgumentException: This
     Style does not belong to the supplied Workbook Styles Source. Are
     you trying to assign a style from one workbook to the cell of a
     different workbook?
          at

org.apache.poi.xssf.usermodel.XSSFCellStyle.verifyBelongsToStylesSource(XSSFCellStyle.java:121)
          at
     org.apache.poi.xssf.usermodel.XSSFCell.setCellStyle(XSSFCell.java:667)

and I am adding style to a cell in a new sheet, same workbook. The
immediate code is not new and had been working (in 4.0.0). Not sure what
change I made has caused this to start.

I confess the original xlsx has been touched by LibreOffice/Calc and
saved as xlsx.  Linux file command reports:

     file '/home/u0138544/tools/reform/Compicated Query for Rob Tool.xlsx'
     /home/u0138544/tools/reform/Compicated Query for Rob Tool.xlsx:
     Microsoft OOXML

Any suggestions appreciated.




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