[mapguide-users] Application compatibility b/w MGE2009 and MGOS 2.0.2

[Dejan Gregor]

Kenneth,

I am using the verion 2.1.0.3505 for MapGuideDotNetApi. Where should I set
the version value (newVersion or oldVersion) and is the publicKeyToken still
'f526c48929fda856'?

I am using MGE 2010.

Dejan



Kenneth Skovhede, GEOGRAF A/S wrote:
> 
> The "Invalid Stream Header" is a sort-of catch-all exception that happens
> when the MapGuide service tries to de-serialize an object, and finds 
> something it does not expect.
> The usual cause of this is the other (unmanaged) binaries.
> 
> The MapGuideDotNet.dll file is a thin wrapper that just calls the 
> unmanaged dll's.
> 
> So you can bind .Net to either version of the managed dll, but you MUST 
> have the correct
> unmanaged dll's in the bin folder.
> 
> Alternatively, you can fix the binding through the Web.config file:
> <configuration>
>   <runtime>
>     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
>       <dependentAssembly>
>         <assemblyIdentity name="MapGuideDotNetApi" 
> publicKeyToken="f526c48929fda856" />
>         <bindingRedirect oldVersion="2.0.0.2308" newVersion="1.2.0.4103"
> />
>       </dependentAssembly>
>     </assemblyBinding>   
>   </runtime>
> </configuration>
> 
> Replace the publicKeyToken and version as you please.
> 
> There was a slight change with MgDisposable/MgGuardedDisposable some 
> time ago.
> If you run into that, you have to use the re-bind option described above.
> 
> Regards, Kenneth Skovhede, GEOGRAF A/S
> 
> 
> 
> MacNair skrev:
>> We have a Mapguide application developed using MGE 2009’s library.  This
>> application does most of its work by calling methods from another DLL
>> called
>> “MGEUtils.DLL”. This DLL references “MapGuideDotNet.DLL”.
>>
>> The application works fine on the development machine where MGE is
>> installed. But on the deployment machine where MapGuide Open Source (MGOS 
>> 2.0.2.3011) is installed we are getting a few errors. 
>>
>> Should we recompile the class library “MGEUtils” referencing MGOS’s
>> MapGuideDotNet.DLL?
>>
>> The calls made to the methods in MGEUtils to initialize the application
>> are
>> throwing a few errors as given under. Note: The function definitions for
>> these methods are given in Appendix below:
>>
>> // Initialize the webtier      
>> string sErrMsg = "";
>> mgeUtils.InitializeWebTier(configPath, sErrMsg);    
>>
>> // Validate the user login and create a session  
>> mgeUtils.InitialiseSession("Anonymous", "", ref sessionId, ref sErrMsg);
>>
>> Note:  The function definitions for the above calls within MGEUtils are
>> given at the end of this document.
>>
>> Errors encounterd are…
>>
>> CASE I: Placing MGE’s MapGuideDotNet.dll  along with “MGEUtils.DLL”  in
>> the
>> application’s bin directory.
>> Error @ LINE: mgeUtils.InitialiseSession("Anonymous", "", ref sessionId,
>> ref
>> sErrMsg);
>> Error details: OSGeo.MapGuide.MgInvalidStreamHeaderException: Invalid
>> stream
>> header exception
>>
>> CASE II: Placing MGOS ’s MapGuideDotNet.dll  along with “MGEUtils.DLL” 
>> in
>> the application’s bin directory.
>> Error @ LINE: mgeUtils.InitializeWebTier(configPath, sErrMsg);
>> Error details: Could not load file or assembly 'MapGuideDotNetApi,
>> Version=2.0.0.3202, Culture=neutral, PublicKeyToken=6416a18f8953383b' or
>> one
>> of its dependencies. The located assembly's manifest definition does not
>> match the assembly reference. (Exception from HRESULT: 0x80131040) 
>>
>> Any help on this? Sorry for the lengthy mail. Thanks!
>>
>> Function defintions
>>
>> public bool InitializeWebTier(string configPath, string csErrMsg)
>> {
>>    try
>>    {
>>      // Check if the webConfig file exists
>>      if (!File.Exists(configPath)) { return false; }
>>      
>>      MapGuideApi.MgInitializeWebTier(configPath);
>> 	return true;
>>     }
>>     catch (MgConnectionFailedException mge)
>>     {
>> 	csErrMsg = mge.GetMessage();
>> 	return false;
>>     }
>> }
>> public bool InitialiseSession(string userName, string userPwd, ref string
>> sessionId, ref string csErrMsg)
>> {
>>   try
>>   {
>>    // Validate user login
>>    MgUserInformation userInfo = new MgUserInformation(userName, userPwd);
>>    MgSite site = new MgSite();
>>    site.Open(userInfo);
>>
>>    // Create a session
>>    sessionId = site.CreateSession();
>>   }
>>   catch (MgConnectionFailedException mge)
>>   {
>>    csErrMsg = mge.GetMessage();
>>    return false;
>>   }
>>   
>>   return true;
>> }
>>
>>
>>
>>   
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> http://lists.osgeo.org/mailman/listinfo/mapguide-users
> 
> 


-----

Dejan Gregor, MSc 
GISc Researcher and Consultant 

http://www.linkedin.com/in/dgregor 
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