I am attempting to use the MySql Entity Framework 6 (EF6) libraries on linux with Mono but the EF6 library cannot be loaded by mono.

For example:
[XXXXXXX@localhost]$ unzip mysql-connector-net-6.9.5-noinstall.zip
[XXXXXXX@localhost]$ cd v4.5
[XXXXXXX@localhost v4.5]$ monop -r ./MySql.Data.Entity.EF6.dll

Assembly Information:
MySql.Data.Entity.EF6
Version=6.8.4.0
Culture=neutral
PublicKeyToken=c5687fc88969c44d


Unhandled Exception:
System.Reflection.ReflectionTypeLoadException: The classes in the module cannot be loaded.
  at (wrapper managed-to-native) System.Reflection.Assembly:GetTypes (System.Reflection.Assembly,bool)
  at System.Reflection.Assembly.GetExportedTypes () [0x00000] in <filename unknown>:0
  at MonoP.PrintTypes (System.String assembly, Boolean show_private, Boolean filter_obsolete) [0x00000] in <filename unknown>:0
  at MonoP.Main (System.String[] args) [0x00000] in <filename unknown>:0
[ERROR] FATAL UNHANDLED EXCEPTION: System.Reflection.ReflectionTypeLoadException: The classes in the module cannot be loaded.
  at (wrapper managed-to-native) System.Reflection.Assembly:GetTypes (System.Reflection.Assembly,bool)
  at System.Reflection.Assembly.GetExportedTypes () [0x00000] in <filename unknown>:0
  at MonoP.PrintTypes (System.String assembly, Boolean show_private, Boolean filter_obsolete) [0x00000] in <filename unknown>:0
  at MonoP.Main (System.String[] args) [0x00000] in <filename unknown>:0

I noticed this after attempting to run a bare bones Hello World program that creates an entity stored in a support library. When I attempted to run this program I got the following stack trace:
[XXXXXXX@localhost]$ mono Program.exe

Unhandled Exception:
System.InvalidOperationException: The DbConfiguration type 'MySql.Data.Entity.MySqlEFConfiguration, MySql.Data.Entity.EF6' specified in the application config file could not be loaded. Make sure that the assembly-qualified name is used and that the assembly is available to the running application. See http://go.microsoft.com/fwlink/?LinkId=260883 for more information. ---> System.TypeLoadException: Could not load type 'MySql.Data.Entity.MySqlEFConfiguration, MySql.Data.Entity.EF6'.
  at (wrapper managed-to-native) System.Type:internal_from_name (string,bool,bool)
  at System.Type.GetType (System.String typeName, Boolean throwOnError) [0x00000] in <filename unknown>:0
  at System.Data.Entity.Infrastructure.DependencyResolution.DbConfigurationLoader.TryLoadFromConfig (System.Data.Entity.Internal.AppConfig config) [0x00000] in <filename unknown>:0
  --- End of inner exception stack trace ---
  at System.Data.Entity.Infrastructure.DependencyResolution.DbConfigurationLoader.TryLoadFromConfig (System.Data.Entity.Internal.AppConfig config) [0x00000] in <filename unknown>:0
  at System.Data.Entity.Infrastructure.DependencyResolution.DbConfigurationManager.EnsureLoadedForAssembly (System.Reflection.Assembly assemblyHint, System.Type contextTypeHint) [0x00000] in <filename unknown>:0
  at System.Data.Entity.Infrastructure.DependencyResolution.DbConfigurationManager.EnsureLoadedForContext (System.Type contextType) [0x00000] in <filename unknown>:0
  at System.Data.Entity.DbContext.InitializeLazyInternalContext (IInternalConnection internalConnection, System.Data.Entity.Infrastructure.DbCompiledModel model) [0x00000] in <filename unknown>:0
  at System.Data.Entity.DbContext..ctor (System.String nameOrConnectionString) [0x00000] in <filename unknown>:0
  at Data.ScraperEntities..ctor () [0x00000] in <filename unknown>:0
  at Program.Program.Main (System.String[] args) [0x00000] in <filename unknown>:0
[ERROR] FATAL UNHANDLED EXCEPTION: System.InvalidOperationException: The DbConfiguration type 'MySql.Data.Entity.MySqlEFConfiguration, MySql.Data.Entity.EF6' specified in the application config file could not be loaded. Make sure that the assembly-qualified name is used and that the assembly is available to the running application. See http://go.microsoft.com/fwlink/?LinkId=260883 for more information. ---> System.TypeLoadException: Could not load type 'MySql.Data.Entity.MySqlEFConfiguration, MySql.Data.Entity.EF6'.
  at (wrapper managed-to-native) System.Type:internal_from_name (string,bool,bool)
  at System.Type.GetType (System.String typeName, Boolean throwOnError) [0x00000] in <filename unknown>:0
  at System.Data.Entity.Infrastructure.DependencyResolution.DbConfigurationLoader.TryLoadFromConfig (System.Data.Entity.Internal.AppConfig config) [0x00000] in <filename unknown>:0
  --- End of inner exception stack trace ---
  at System.Data.Entity.Infrastructure.DependencyResolution.DbConfigurationLoader.TryLoadFromConfig (System.Data.Entity.Internal.AppConfig config) [0x00000] in <filename unknown>:0
  at System.Data.Entity.Infrastructure.DependencyResolution.DbConfigurationManager.EnsureLoadedForAssembly (System.Reflection.Assembly assemblyHint, System.Type contextTypeHint) [0x00000] in <filename unknown>:0
  at System.Data.Entity.Infrastructure.DependencyResolution.DbConfigurationManager.EnsureLoadedForContext (System.Type contextType) [0x00000] in <filename unknown>:0
  at System.Data.Entity.DbContext.InitializeLazyInternalContext (IInternalConnection internalConnection, System.Data.Entity.Infrastructure.DbCompiledModel model) [0x00000] in <filename unknown>:0
  at System.Data.Entity.DbContext..ctor (System.String nameOrConnectionString) [0x00000] in <filename unknown>:0
  at Data.ScraperEntities..ctor () [0x00000] in <filename unknown>:0
  at Program.Program.Main (System.String[] args) [0x00000] in <filename unknown>:0

This is occurring even though the connector dll's are registered to the gac. The missing type its looking for is in the EF6.dll, which I believe cannot be loaded and therefore the type not found.

Later I discovered that maybe this was because my program wasn't referencing the MySQL EF6 dlls but the support library was. So I put the references into the Program as well and got a similar load error but from mono versus monop. I tried this with assemblies from the net/mono install zip as well with the DLLs copied from the windows install. The result is the same. See below:

[XXXXXXX@localhost]$ mono ./Program.exe
* Assertion at class.c:5607, condition `!mono_loader_get_last_error ()' not met

Stacktrace:

  at <unknown> <0xffffffff>
  at (wrapper managed-to-native) System.Type.internal_from_name (string,bool,bool) <0xffffffff>
  at System.Type.GetType (string,bool) <0x0002f>
  at System.Data.Entity.Config.DbConfigurationLoader.TryLoadFromConfig (System.Data.Entity.Internal.AppConfig) <0x00053>
  at System.Data.Entity.Config.DbConfigurationManager.EnsureLoadedForContext (System.Type) <0x00124>
  at System.Data.Entity.DbContext.InitializeLazyInternalContext (System.Data.Entity.Internal.IInternalConnection,System.Data.Entity.Infrastructure.DbCompiledModel) <0x0002c>
  at System.Data.Entity.DbContext..ctor (string) <0x00053>
  at Data.ScraperEntities..ctor () <0x00017>
  at Program.Program.Main (string[]) <0x00017>
  at (wrapper runtime-invoke) <Module>.runtime_invoke_void_object (object,intptr,intptr,intptr) <0xffffffff>

Native stacktrace:

        mono() [0x4ba9f2]
        /lib64/libpthread.so.0(+0xf130) [0x7f666419b130]
        /lib64/libc.so.6(gsignal+0x39) [0x7f6663bea5c9]
        /lib64/libc.so.6(abort+0x148) [0x7f6663bebcd8]
        mono() [0x6420c9]
        mono() [0x64233c]
        mono() [0x6424d3]
        mono() [0x52cfcc]
        mono(mono_class_get_full+0xea) [0x52d82a]
        mono(mono_class_from_name+0xfe) [0x52dc2e]
        mono() [0x5c402e]
        mono() [0x5c42f3]
        mono() [0x547526]
        [0x41437afe]

Debug info from gdb:


=================================================================
Got a SIGABRT while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================

Aborted


Some of the specifics:
- Test program is being created on Win 8.1 x86_64 with VS Community 2013 and the 6.9.5 connector
- Program is being run on a CentOS 7 x86_64 box with:
  [XXXXXXX@localhost]$ uname -a
  Linux xxxxxxx.xxxxxxx 3.10.0-123.9.3.el7.x86_64 #1 SMP Thu Nov 6 15:06:03 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
  
  [XXXXXXX@localhost ~]$ mono --version
  Mono JIT compiler version 3.10.0 (tarball Mon Nov 17 11:59:05 GMT 2014)
  Copyright (C) 2002-2014 Novell, Inc, Xamarin Inc and Contributors. www.mono-project.com
        TLS:           __thread
        SIGSEGV:       altstack
        Notifications: epoll
        Architecture:  amd64
        Disabled:      none
        Misc:          softdebug
        LLVM:          supported, not enabled.
        GC:            sgen
- The database is running on the CentOS box
  [XXXXXXX@localhost]$ rpm -qa | grep mariadb
  mariadb-5.5.40-1.el7_0.x86_64
  mariadb-libs-5.5.40-1.el7_0.x86_64
  mariadb-server-5.5.40-1.el7_0.x86_64
- There are no other non framework dependencies


My App.config looks like:
<configuration>
  <configSections>
    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
  </configSections>
  <connectionStrings>
    <add name="ScraperData" connectionString="server=XXX.XXX.XXX.XXX;user id=MyUserName;database=MyDBName;password=MyDbPassword!;persistsecurityinfo=True" providerName="MySql.Data.MySqlClient" />
    <add name="ScraperEntities" connectionString="metadata=res://*/MyEntity.csdl|res://*/MyEntity.ssdl|res://*/MyEntity.msl;provider=MySql.Data.MySqlClient;provider connection string=&quot;server=XXX.XXX.XXX.XXX;user id=MyUserName;database=MyDBName;password=P@MyDbPassword!;persistsecurityinfo=True&quot;" providerName="System.Data.EntityClient" />
  </connectionStrings>
  <entityFramework codeConfigurationType="MySql.Data.Entity.MySqlEFConfiguration, MySql.Data.Entity.EF6">
    <defaultConnectionFactory type="MySql.Data.Entity.MySqlConnectionFactory, MySql.Data.Entity.EF6" />
    <providers>
      <provider invariantName="MySql.Data.MySqlClient" type="MySql.Data.MySqlClient.MySqlProviderServices, MySql.Data.Entity.EF6" />
    </providers>
  </entityFramework>
</configuration>