On Fri, 18 Jul 2008, Rainer Schwarze wrote:
java.lang.NoSuchMethodError:
org.apache.poi.hssf.usermodel.HSSFCell.setCellStyle(Lorg/apache/poi/hssf/usermodel/HSSFCellStyle;)V
at
net.sf.jasperreports.engine.export.JRXlsExporter.setCell(JRXlsExporter.java:208)
... (+ some more lines)
Ah, that's tedious. I think we've always re-compiled, and that probably
would then work fine
Since JasperReports is built against POI-3.0.1 and no rebuild of
JasperReports should be necessary, binary compatibility is needed.
I'm not sure if we have a decision on if 3.0 to 3.5 should be binary
compatible or not. Source compatible in almost all cases we've already
decided we're aiming for, but perhaps not binary.
However, I don't see why we can't add in the overloaded method for common
cases that people use. So, I've done it for this case, and I'm happy for
it to happen for other common ones, I just won't go looking for them!
Regarding such issues, I found this page quite handy in the past:
http://wiki.eclipse.org/Evolving_Java-based_APIs_2
It's currently refusing to load for me, but that might just be because I'm
on the train... Will try to read it in the week though
If the code which uses HSSF doesn't know about XSSF and only deals with
HSSF, should it still work with the 3.5 branch without modification /
rebuild?
Without modification, yes, in almost all cases. Without rebuild, see
above!
Nick
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