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Posted to dev@poi.apache.org by bu...@apache.org on 2010/09/16 13:41:15 UTC
DO NOT REPLY [Bug 49940] New: Sometimes writing twice to a .xlsx
file throws org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
Summary: Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedEx
ception
Product: POI
Version: 3.6
Platform: Macintosh
Status: NEW
Severity: blocker
Priority: P2
Component: XSSF
AssignedTo: dev@poi.apache.org
ReportedBy: vineet.potdar@yahoo.com
I am trying to read and write to a .xlsx file from two separate Java methods.
The first write goes through fine, at the second write
(workbook.write(fileoutputstream) throws the error:
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Stacktrace:
Exception in thread "main"
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
at
org.apache.xmlbeans.impl.values.XmlObjectBase.check_orphaned(XmlObjectBase.java:1213)
at
org.apache.xmlbeans.impl.values.XmlObjectBase.newCursor(XmlObjectBase.java:243)
at
org.apache.xmlbeans.impl.values.XmlComplexContentImpl.arraySetterHelper(XmlComplexContentImpl.java:1073)
at
org.openxmlformats.schemas.spreadsheetml.x2006.main.impl.CTFontsImpl.setFontArray(Unknown
Source)
at org.apache.poi.xssf.model.StylesTable.writeTo(StylesTable.java:319)
at org.apache.poi.xssf.model.StylesTable.commit(StylesTable.java:377)
at org.apache.poi.POIXMLDocumentPart.onSave(POIXMLDocumentPart.java:177)
at org.apache.poi.POIXMLDocumentPart.onSave(POIXMLDocumentPart.java:181)
at org.apache.poi.POIXMLDocument.write(POIXMLDocument.java:214)
at
attendancerecorder.code.StudentRosterTest.checkOutStudent(StudentRosterTest.java:230)
at
attendancerecorder.code.AttendanceRecorderView.main(AttendanceRecorderView.java:46)
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
--- Comment #9 from Dr Meier <dr...@gmx.de> ---
Now i had the problem in another context. I used the "getXXXXArray()" method to
iterate over a list of XML Elements.
I removed an element with the removeXXXX() method.
As soon as i forgot to refresh the Array afterwards with .getXXXXArray() the
XmlValueDisconnectedException happens again.
After the correction the code works fine:
DTCVALUE[] dtcValues = envData.getDTCVALUES().getDTCVALUEArray();
for(int k=dtcValues.length-1; k > 0 ;k--) {
DTCVALUE dtcValue = dtcValues[k];
if(!dtcMap.containsKey(dtcValue.getStringValue())){
dtcMap.put(dtcValue.getStringValue(), envData);
}else{
DTCVALUES vals = envData.getDTCVALUES();
vals.removeDTCVALUE(k);
// !!!!!!! This is necessary, otherwise the Disconnected
// Exception occors. !!!!!!!
dtcValues = envData.getDTCVALUES().getDTCVALUEArray();
}
}
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
liny <in...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |innocentliny@gmail.com
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DO NOT REPLY [Bug 49940] Sometimes writing twice to a .xlsx file
throws org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
--- Comment #2 from Nick Burch <ni...@alfresco.com> 2010-09-16 09:48:44 EDT ---
I've confirmed the bug, and added a failing, disabled unit test to
xssf/usermodel/TestXSSFBugs
The problem is coming from deep within xmlbeans, so will leave it for someone
who knows more about that to look into
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
--- Comment #19 from Dean Walker <de...@friendslife.co.uk> ---
I've seen this behaviour in various places (I'm using POI 3.10 Beta 1).
This disconnection happens during the first save where new 'container' objects
are created.
For example:
// Fonts
CTFonts ctFonts = CTFonts.Factory.newInstance();
ctFonts.setCount(fonts.size());
CTFont[] ctfnt = new CTFont[fonts.size()];
idx = 0;
for(XSSFFont f : fonts) ctfnt[idx++] = f.getCTFont();
ctFonts.setFontArray(ctfnt);
styleSheet.setFonts(ctFonts);
Here CTFonts is a container for a CTFont array.
If we reuse the existing container, the problem goes away, example:
// Fonts
CTFonts ctFonts = styleSheet.getFonts();
if (ctFonts == null) {
ctFonts = CTFonts.Factory.newInstance();
}
ctFonts.setCount(fonts.size());
CTFont[] ctfnt = new CTFont[fonts.size()];
idx = 0;
for(XSSFFont f : fonts) ctfnt[idx++] = f.getCTFont();
ctFonts.setFontArray(ctfnt);
styleSheet.setFonts(ctFonts);
This works for my use case where I read an existing spreadsheet, update cell
values only, and then save the modified spreadsheet. I've not tried the use
case where fonts (or other objects) are programatically modified or added or
deleted.
There are numerous places in StylesTable.writeTo() where I have applied this
same solution.
I also encountered the same problem with named ranges and applied the same
solution to XSSFWorkBook.saveNamedRanges().
There may be other places where the same symptom appears depending on the
features you use in your spreadsheet.
This solution is not ideal (it cures the symptom rather than the cause) but I
hope this information will help resolve this bug.
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DO NOT REPLY [Bug 49940] Sometimes writing twice to a .xlsx file
throws org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
Yegor Kozlov <ye...@dinom.ru> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks| |51158
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
Matt Lancaster <la...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Hardware|Macintosh |PC
Version|3.6 |3.8
OS|All |Windows 7
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
--- Comment #22 from Alessandro Guarascio <gu...@hotmail.com> ---
Created attachment 31596
--> https://issues.apache.org/bugzilla/attachment.cgi?id=31596&action=edit
Patch proposal for solving this problem after cloneSheet() call
Here is a patch proposal for POI 3.10 to solve the problem occurring after
cloneSheet() call.
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
--- Comment #18 from Dominik Stadler <do...@gmx.at> ---
There are multiple things that can lead to these XmlValueDisconnectedException,
they basically indicate that an XmlBeans-object was removed from the tree of
object, but later still used, either because it is still referenced or was
incorrectly removed.
A few such cases were fixed over the last weeks, however this one still
remains.
It seems to be located in StylesTable.writeTo() where all the styles are copied
around, not sure why this is necessary in the first place...
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DO NOT REPLY [Bug 49940] Sometimes writing twice to a .xlsx file
throws org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
--- Comment #5 from Vivek <vi...@igatepatni.com> 2012-04-04 13:27:42 UTC ---
Hi,
There is a need for our applications to be comaptible with Excel 2007 along
with 2003.
We have a multiple write functionality and with the POI 3.7 using Workbook and
WorkbookFactory class works fine for 2003 version but fails for 2007 version.
We get an XMLValueDisconnectedException when we try to write the same workbook
twice.
Looks like there is a xmlbeans bug or may be POI calling xmlbeans...
Is there any code of POI calling xmlbeans that triggers the problem...
Any help in this view is appreciated.
Revert in case you need any further info.
Regards
Vivek Majithia.
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DO NOT REPLY [Bug 49940] Sometimes writing twice to a .xlsx file
throws org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
--- Comment #3 from Chandan <cs...@gmail.com> 2011-11-25 11:24:25 UTC ---
Can I have any updates on it? I am also facing the same issue. writing a
fileOutputStream into a workbook works fine for the first time, but throws this
exception in second attempt. This issue is critical. Would like to know the
possible causes for this exception. A quick help is highly appreciated.
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
Dean Walker <de...@friendslife.co.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dean.walker@friendslife.co.
| |uk
--- Comment #20 from Dean Walker <de...@friendslife.co.uk> ---
Created attachment 30885
--> https://issues.apache.org/bugzilla/attachment.cgi?id=30885&action=edit
Update to StylesTable to reuse existing container objects.
Suspect similar changes need to be applied to 'Formats' if your spreadsheet has
custom formats
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
--- Comment #15 from Nick Burch <ap...@gagravarr.org> ---
(In reply to Jolteon from comment #13)
> (In reply to comment #12)
>
> Now a minimal code that triggers the error :
>
> Row row = _sheet.getRow(0); // defined
> Cell orphaned = row.getCell(0); // defined
> Row row1 = _sheet.createRow(0); // we lose orphaned
> System.out.println(orphaned); // we trigger the exception
You shouldn't be calling createRow for a row that already exists. I'm surprised
that it doesn't blow up earlier...
However, there does seem to be some logic in XSSFSheet for this case, which I
don't understand.
Does anyone know the use case for calling createRow with the index of a row
that already exists?
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DO NOT REPLY [Bug 49940] Sometimes writing twice to a .xlsx file
throws org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
Vineet Potdar <vi...@yahoo.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
OS/Version| |All
Severity|blocker |major
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
--- Comment #11 from Dr Meier <dr...@gmx.de> ---
(In reply to comment #9)
> Now i had the problem in another context. I used the "getXXXXArray()" method
> to iterate over a list of XML Elements.
>
> I removed an element with the removeXXXX() method.
>
> As soon as i forgot to refresh the Array afterwards with .getXXXXArray() the
> XmlValueDisconnectedException happens again.
>
> After the correction the code works fine:
>
> DTCVALUE[] dtcValues = envData.getDTCVALUES().getDTCVALUEArray();
> for(int k=dtcValues.length-1; k > 0 ;k--) {
> DTCVALUE dtcValue = dtcValues[k];
> if(!dtcMap.containsKey(dtcValue.getStringValue())){
> dtcMap.put(dtcValue.getStringValue(), envData);
> }else{
> DTCVALUES vals = envData.getDTCVALUES();
> vals.removeDTCVALUE(k);
>
> // !!!!!!! This is necessary, otherwise the Disconnected
> // Exception occors. !!!!!!!
> dtcValues = envData.getDTCVALUES().getDTCVALUEArray();
> }
> }
Loop must run until "k >= 0", sorry!
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
--- Comment #10 from Dr Meier <dr...@gmx.de> ---
(In reply to comment #8)
> I had the same problem too.
>
> Exception in thread "main"
> org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
> at
> org.apache.xmlbeans.impl.values.XmlObjectBase.check_orphaned(XmlObjectBase.
> java:1258)
>
> XmlBeans Version 2.6.0.
>
> I found out that i had the problem with an element that was there over 1000
> times in a list.
>
> As soon as i reduced the amount to 523 it works. As soon as i increased it
> over 524 it stops.
>
> The filesize itself doesn't seem to be the problem ~ 500kb.
This also could be solved with my statement in Comment #9. It doesn't have
something to do with the size, simply the reassigment of the array is
necesarry.
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
Dominik Stadler <do...@gmx.at> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |vinu.kumar@gmail.com
--- Comment #17 from Dominik Stadler <do...@gmx.at> ---
*** Bug 46662 has been marked as a duplicate of this bug. ***
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
--- Comment #12 from j.aden54@gmail.com ---
Not sure about my analysis, but I got that error when I tried to duplicate a
Row. I did createRow(rowIndex+1). By that, I meant "insert a Row at index
rowIndex+1". After that I had to clone the value of each cell from the Row at
rowIndex to the Row at rowIndex+1. However I already had a Row at rowIndex+1
(before the createRow), and I think that the previous cells on this Row get
lost and don't point on anything anymore.
If I am correct, then it would not be a problem in the XMLBeans library. How
does the Apache Poi library handle the creation of a Row (or a Cell) if this
Row/Cell already exists ? Does it overwrite it ? If yes, the previous Row/Cell
object becomes indeed obsolete (which is freaking problematic, since each
createRow/createCell can make great damage)
Again, that's just a guess, and I have to dig a little further in my code ...
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
--- Comment #7 from Nick Burch <ap...@gagravarr.org> ---
This bug will remain open until someone with the time is able to work out first
if it's a bug in XMLBeans, or a bug in how POI calls XMLBeans, then secondly
work to get the issue (once tracked down) resolved. If this bug affects you,
then you're a prime candidate to help!
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
--- Comment #16 from liny <in...@gmail.com> ---
It also occurred when calling cloneSheet() method before write():
--------------------------------------------------------------------------
wb.cloneSheet(0);
File destPath = new File(outputFilePathName).getParentFile();
if (!destPath.exists())
{
log.info("Created path {}? {}", destPath.getAbsolutePath(),
destPath.mkdirs());
}
wb.write(new FileOutputStream(outputFilePathName));
--------------------------------------------------------------------------
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
Dominik Stadler <do...@gmx.at> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #21 from Dominik Stadler <do...@gmx.at> ---
I have applied this patch now as r1535938.
As for the other places where this potentially can happen, I looked at a few of
them and could not immediately decide if the problem can happen for them as
well or not. On the other hand we are working on some "stress-tests" which will
run the set of sample-files that we use for testing and do various things on
them, this way we should uncover more of these cases if there are still places
left where it can happen.
Additional patches with test-cases are very welcome as well, naturally!
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
--- Comment #14 from Jolteon <j....@gmail.com> ---
Created attachment 30271
--> https://issues.apache.org/bugzilla/attachment.cgi?id=30271&action=edit
(patch) Code in org.apache.poi.xssf.usermodel.XSSFSheet (Library poi-ooxml-3.9)
I don't know exactly what the CTRow.Factory.newInstance() does, but I am pretty
sure that it creates a new CTRow which is decorellated from the first one.
If we look at all the cells in the Row and remove them, it should do the trick
!
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
--- Comment #13 from Jolteon <j....@gmail.com> ---
(In reply to comment #12)
Now a minimal code that triggers the error :
Row row = _sheet.getRow(0); // defined
Cell orphaned = row.getCell(0); // defined
Row row1 = _sheet.createRow(0); // we lose orphaned
System.out.println(orphaned); // we trigger the exception
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
Matt Lancaster <la...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
OS| |All
--- Comment #6 from Matt Lancaster <la...@gmail.com> ---
This bug has been around for quite a while. I'm still seeing this issue as of
1/3/2013 POI-3.8. Any idea as to when this will be updated? I'm not able to
do any writing to an XMLFile with the workbook.write functionality.
Thanks,
Matt
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
iceardor@gmail.com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |iceardor@gmail.com
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DO NOT REPLY [Bug 49940] Sometimes writing twice to a .xlsx file
throws org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
--- Comment #1 from Vineet Potdar <vi...@yahoo.com> 2010-09-16 07:58:23 EDT ---
Forgot to add that it did work the first few times. Then suddenly it started
throwing the error
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
--- Comment #8 from Dr Meier <dr...@gmx.de> ---
I had the same problem too.
Exception in thread "main"
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
at
org.apache.xmlbeans.impl.values.XmlObjectBase.check_orphaned(XmlObjectBase.java:1258)
XmlBeans Version 2.6.0.
I found out that i had the problem with an element that was there over 1000
times in a list.
As soon as i reduced the amount to 523 it works. As soon as i increased it over
524 it stops.
The filesize itself doesn't seem to be the problem ~ 500kb.
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[Bug 49940] Sometimes writing twice to a .xlsx file throws
org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
Andrew E. <as...@gmail.com> changed:
What |Removed |Added
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CC| |astentx@gmail.com
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DO NOT REPLY [Bug 49940] Sometimes writing twice to a .xlsx file
throws org.apache.xmlbeans.impl.values.XmlValueDisconnectedException
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49940
--- Comment #4 from Nick Burch <ni...@alfresco.com> 2011-11-25 11:56:50 UTC ---
I think we're still not sure if this is an XMLBeans bug (either runtime or
schema), or a problem with how we're calling XMLBeans
If you do make progress with identifying the cause of this, or the solution,
please do report back!
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