[Mono-bugs] [Bug 674580] New: An exception is thrown when trying to read UTF-16-encoded XML files

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Wed Feb 23 22:35:06 EST 2011



           Summary: An exception is thrown when trying to read
                    UTF-16-encoded XML files
    Classification: Mono
           Product: Mono: Runtime
           Version: 2.10.x
          Platform: x86-64
        OS/Version: openSUSE 11.3
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: misc
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: fanart at thelostworlds.net
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:
Gecko/20101203 Firefox/3.6.13 (.NET CLR 3.5.30729)

I recently released an open source multispectral image-processing utility
Because of the way its XML configuration files are handling before being passed
to the .NET XML parser, I require that the files be UTF-16-encoded.

This works fine in .NET, but in Mono, attempting to read any of these files
causes Mono to immediately throw this exception: "a name did not start with a
legal character -1 (�)  Line 1, position 2."

I apologize if this is a known issue. I have found several existing bugs
regarding situations in which *some* content in an XML file is UTF-16-encoded,
but not any regarding situations where *the entire file* is UTF-16-encoded.

Reproducible: Always

Steps to Reproduce:
1.Attempt to load an XML file which is entirely encoded as UTF-16.
2.Exception is thrown.
Actual Results:  
The exception is thrown.

Expected Results:  
The file is read by the XML parser.

Numerous sample files are located in the TMSB_Config subdirectory of this zip


If you want to test the behaviour in this specific application, it's easiest to
see in the CLI version (TMSB.exe). In the GUI, a blank "I/O Error" dialogue is
shown instead. You can call the CLI version in this manner to reproduce the

mono ./TMSB.exe -i "Input-NIR_R_G_B_UVA-TIFF-3F.xml" -p "Process-NFB.xml" -o
"Output-TIFF_16-JPG_8.xml" .

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