[Mono-dev] Exception in XmlSerializer (only with arm cross-compile , x86 no issue)

Ran Shalit ranshalit at gmail.com
Fri Sep 23 11:29:03 UTC 2016

On Fri, Sep 23, 2016 at 7:48 AM, Ran Shalit <ranshalit at gmail.com> wrote:
> Hello,
> I managed to cross build and run successfuly simple application arm
> (using 3.8.0 mono version without any modifications).
> On running a simple hello world it works fine. But then running the
> required application throws the following error.
> I should also note that I copied the class library from host in order
> for it to works becuase the deplyment (make install) is missing all
> these dlls.
> I also see that the same source version 3.8.0 on my PC , I manage to
> run the application without this exception (in PC x86), so I suspect
> that it is related to the fact that the same source code is cross
> build to arm (armv5) maybe.
> This is the log when running the application:
> # mono /home/modem/Elbit/Elbit_test/Elbit.Jdss.TestConsoleMonoNoUI.exe
> Elbit.Jdss.TestConsoleMonoNoUI
> My IP is
> Running on Unix
> Running with the Mono VM
> .NET Framework Assemblies Path:
> file:///home/modem/local/lib/mono/4.5/mscorlib.dll
> Unhandled Exception:
> [0xbeb0be6c]
> [ERROR] FATAL UNHANDLED EXCEPTION: System.TypeInitializationException:
> An exception was thrown by the type initializer for
> System.Xml.Serialization.XmlSerializer --->
> System.Configuration.ConfigurationErrorsException: Error Initializing
> the configuration system. --->
> System.Configuration.ConfigurationErrorsException: Unrecognized
> configuration section <startup>
> (/home/modem/Elbit/Elbit_test/Elbit.Jdss.TestConsoleMonoNoUI.exe.config
> line 3)
>   at System.Configuration.ConfigInfo.ThrowException (System.String
> text, System.Xml.XmlReader reader) [0x00000] in <filename unknown>:0
>   at System.Configuration.SectionGroupInfo.ReadContent
> (System.Xml.XmlReader reader, System.Configuration.Configuration
> config, Boolean overrideAllowed, Boolean root) [0x00000] in <filename
> unknown>:0
>   at System.Configuration.SectionGroupInfo.ReadRootData
> (System.Xml.XmlReader reader, System.Configuration.Configuration
> config, Boolean overrideAllowed) [0x00000] in <filename unknown>:0
>   at System.Configuration.Configuration.ReadConfigFile
> (System.Xml.XmlReader reader, System.String fileName) [0x00000] in
> <filename unknown>:0
>   at System.Configuration.Configuration.Load () [0x00000] in <filename
> unknown>:0
>   at System.Configuration.Configuration.Init (IConfigSystem system,
> System.String configPath, System.Configuration.Configuration parent)
> [0x00000] in <filename unknown>:0
>   at System.Configuration.Configuration..ctor
> (System.Configuration.InternalConfigurationSystem system,
> System.String locationSubPath) [0x00000] in <filename unknown>:0
>   at System.Configuration.InternalConfigurationFactory.Create
> (System.Type typeConfigHost, System.Object[]
> hostInitConfigurationParams) [0x00000] in <filename unknown>:0
> I see that there is bug report about XmlSerializer, but this same
> version works in PC (x86) without issues, so I am not sure what it
> means.
> Best Regards,
> Ran

I would like to add more information:

On trying to understand the exception in TypeInitializationException,
I upgraded from 3.10.0 to 3.12.1, but still get this exception - only
in the arm target -
With PC x86, the application works without any issue (with this same
version 3.12.1).


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