[Mono-list] WCF Hosting Problem

Atsushi Eno atsushieno at veritas-vos-liberabit.com
Fri Jul 22 01:05:23 EDT 2011 

Yes, it reproduced. And fixed in git master and 2-10 branches now.

Atsushi Eno

> OK, I haven't tried ASP.NET integration which cannot be part of our
> nunit tests, nor I cannot try it right now. You didn't need to
> investigate by yourself but could just report the issue which even
> accompanies the repro. Since I'm just a contributor who don't work on it
> without any employment I can only have that luxury to feel like to fix
> issues.
> But since now you reported it anyways, I'll try it later. Thanks.
>
> Atsushi Eno
>
> (2011/07/21 11:58), Abe Gillespie wrote:
>> Astsushi,
>>
>> I promise I file bug reports when I find something and am able to
>> provide a decent test case:
>> http://bit.ly/nZp81a (granted a few of these "gillespie"s aren't me
>> but most are ... I ef'g hate bugzilla, btw ... but that's for another
>> time ;)  It just so happens I haven't come across anything useful to
>> file about WCF.
>>
>> I'm pretty sure I couldn't even get your most basic of basic examples
>> working for me:
>> http://veritas-vos-liberabit.com/monogatari/2009/12/mono-wcf-advent-day-6-aspnet-hosting.html
>>
>> That's from 2009.  Have you tried revisiting this example with the latest?
>>
>> I wish I had the time to further investigate where exactly WCF was
>> breaking down for me but I just don't have that luxury right now.  The
>> switch to ASMX fulfilled all my needs so I'm blissfully going down
>> that path.  I know this doesn't help the Mono community at large, my
>> apologies.  Hopefully at some point in the near future I can revisit
>> it and contribute back something useful.
>>
>> -Abe
>>
>> On Thu, Jul 21, 2011 at 1:16 PM, Atsushi Eno
>> <atsushieno at veritas-vos-liberabit.com>   wrote:
>>> asmx are not *very* different, at least there is no maintainer. This time
>>> Vinod hit some issue around xsd, which is common to asmx.
>>>
>>> I'm not aware of your bug reports unlike your statement
>>> on usual behavior, but since you are the only one who keep
>>> complaining about WCF without productive way, I wonder what kind of services
>>> you writing. Are you sure you don't hit not-supported
>>> features?
>>>
>>> Atsushi Eno
>>>
>>>
>>>> Here's how I fixed my WCF woes: I scrapped everything WCF I had done
>>>> and went with ASMX.  I struggled with configuration for quite some
>>>> time myself.  And then, even when I found the magic combination of
>>>> configuration such that initialization succeeded, I was getting
>>>> run-time WCF issues.  I spent nearly a month on it before giving up.
>>>> Note that I am running the latest, stable Mono source release.  ASMX
>>>> is totally solid (and even includes a nice web interface to manually
>>>> test your services).
>>>>
>>>> Atsushi, I'm usually very good with filing bugs but in this case there
>>>> were so many variables that I really couldn't write a better bug than
>>>> "this is totally broken".  If I had a small, reproable test case then
>>>> I would've been happy to.
>>>>
>>>> On Thu, Jul 21, 2011 at 11:11 AM, Vinod<baligavinod at gmail.com>     wrote:
>>>>> Ok, tried with 2.10.2. The old error is gone but server returns a fault.
>>>>> I tried adding "MonoSetEnv MONO_STRICT_MS_COMPLIANT=yes" as per the below
>>>>> link to the end of httpd.config but it didn't seem to work. Any clues?
>>>>> http://go-mono.com/forums/#nabble-td3618774
>>>>>
>>>>> here is the fault message:
>>>>>
>>>>> XmlSchema error: Named item http://tempuri.org/:DoWork was already
>>>>> contained
>>>>> in the schema object table. Consider setting MONO_STRICT_MS_COMPLIANT to
>>>>> 'yes' to mimic MS implementation. Related schema item SourceUri: , Line
>>>>> 0,
>>>>> Position 0.
>>>>>
>>>>>
>>>>> And the stack trace:
>>>>>
>>>>> at System.Xml.Schema.ValidationHandler.RaiseValidationEvent
>>>>> (System.Xml.Schema.ValidationEventHandler handle, System.Exception
>>>>> innerException, System.String message, System.Xml.Schema.XmlSchemaObject
>>>>> xsobj, System.Object sender, System.String sourceUri, XmlSeverityType
>>>>> severity) [0x0003d] in
>>>>>
>>>>> /usr/src/packages/BUILD/mono-2.10.2/mcs/class/System.XML/System.Xml.Schema/ValidationHandler.cs:56
>>>>>
>>>>>
>>>>>
>>>>>     at System.Xml.Schema.XmlSchemaObject.error
>>>>> (System.Xml.Schema.ValidationEventHandler handle, System.String message,
>>>>> System.Exception innerException, System.Xml.Schema.XmlSchemaObject xsobj,
>>>>> System.Object sender) [0x00000] in
>>>>>
>>>>> /usr/src/packages/BUILD/mono-2.10.2/mcs/class/System.XML/System.Xml.Schema/XmlSchemaObject.cs:140
>>>>>
>>>>>
>>>>>
>>>>>     at System.Xml.Schema.XmlSchemaObject.error
>>>>> (System.Xml.Schema.ValidationEventHandler handle, System.String message)
>>>>> [0x0000e] in
>>>>>
>>>>> /usr/src/packages/BUILD/mono-2.10.2/mcs/class/System.XML/System.Xml.Schema/XmlSchemaObject.cs:120
>>>>>
>>>>>
>>>>>
>>>>>     at System.Xml.Schema.XmlSchemaUtil.AddToTable
>>>>> (System.Xml.Schema.XmlSchemaObjectTable table,
>>>>> System.Xml.Schema.XmlSchemaObject obj, System.Xml.XmlQualifiedName qname,
>>>>> System.Xml.Schema.ValidationEventHandler h) [0x000b1] in
>>>>>
>>>>> /usr/src/packages/BUILD/mono-2.10.2/mcs/class/System.XML/System.Xml.Schema/XmlSchemaUtil.cs:79
>>>>>
>>>>>
>>>>>
>>>>>     at System.Xml.Schema.XmlSchema.DoCompile
>>>>> (System.Xml.Schema.ValidationEventHandler handler,
>>>>> System.Collections.Hashtable handledUris, System.Xml.Schema.XmlSchemaSet
>>>>> col, System.Xml.XmlResolver resolver) [0x00397] in
>>>>>
>>>>> /usr/src/packages/BUILD/mono-2.10.2/mcs/class/System.XML/System.Xml.Schema/XmlSchema.cs:428
>>>>>
>>>>>
>>>>>
>>>>>     at System.Xml.Schema.XmlSchema.CompileSubset
>>>>> (System.Xml.Schema.ValidationEventHandler handler,
>>>>> System.Xml.Schema.XmlSchemaSet col, System.Xml.XmlResolver resolver,
>>>>> System.Collections.Hashtable handledUris) [0x00042] in
>>>>>
>>>>> /usr/src/packages/BUILD/mono-2.10.2/mcs/class/System.XML/System.Xml.Schema/XmlSchema.cs:306
>>>>>
>>>>>
>>>>>
>>>>>     at System.Xml.Schema.XmlSchema.CompileSubset
>>>>> (System.Xml.Schema.ValidationEventHandler handler,
>>>>> System.Xml.Schema.XmlSchemaSet col, System.Xml.XmlResolver resolver)
>>>>> [0x00006] in
>>>>>
>>>>> /usr/src/packages/BUILD/mono-2.10.2/mcs/class/System.XML/System.Xml.Schema/XmlSchema.cs:295
>>>>>
>>>>>
>>>>>
>>>>>     at System.Xml.Schema.XmlSchemaSet.Reprocess
>>>>> (System.Xml.Schema.XmlSchema
>>>>> schema) [0x0005f] in
>>>>>
>>>>> /usr/src/packages/BUILD/mono-2.10.2/mcs/class/System.XML/System.Xml.Schema/XmlSchemaSet.cs:334
>>>>>     at System.ServiceModel.Description.WsdlExporter.ExportParameters
>>>>> (System.ServiceModel.Description.MessageBodyDescription msgbody,
>>>>> System.String name, System.String ns) [0x00175] in
>>>>>
>>>>> /usr/src/packages/BUILD/mono-2.10.2/mcs/class/System.ServiceModel/System.ServiceModel.Description/WsdlExporter.cs:484
>>>>>
>>>>>
>>>>>
>>>>>     at
>>>>> System.ServiceModel.Description.WsdlExporter.ExportMessageBodyDescription
>>>>> (System.ServiceModel.Description.MessageBodyDescription msgbody,
>>>>> System.String name, System.String ns) [0x00037] in
>>>>>
>>>>> /usr/src/packages/BUILD/mono-2.10.2/mcs/class/System.ServiceModel/System.ServiceModel.Description/WsdlExporter.cs:415
>>>>>
>>>>>
>>>>>
>>>>>     at System.ServiceModel.Description.WsdlExporter.ExportContractInternal
>>>>> (System.ServiceModel.Description.ContractDescription contract, Boolean
>>>>> rejectDuplicate) [0x001ea] in
>>>>>
>>>>> /usr/src/packages/BUILD/mono-2.10.2/mcs/class/System.ServiceModel/System.ServiceModel.Description/WsdlExporter.cs:134
>>>>>
>>>>>
>>>>>
>>>>>     at System.ServiceModel.Description.WsdlExporter.ExportEndpoint
>>>>> (System.ServiceModel.Description.ServiceEndpoint endpoint, Boolean
>>>>> rejectDuplicate) [0x00000] in
>>>>>
>>>>> /usr/src/packages/BUILD/mono-2.10.2/mcs/class/System.ServiceModel/System.ServiceModel.Description/WsdlExporter.cs:188
>>>>>
>>>>>
>>>>>
>>>>>     at System.ServiceModel.Description.WsdlExporter.ExportEndpoints
>>>>> (IEnumerable`1 endpoints, System.Xml.XmlQualifiedName name) [0x0005a] in
>>>>>
>>>>> /usr/src/packages/BUILD/mono-2.10.2/mcs/class/System.ServiceModel/System.ServiceModel.Description/WsdlExporter.cs:364
>>>>>
>>>>>
>>>>>
>>>>>     at
>>>>> System.ServiceModel.Description.ServiceMetadataExtension.get_Metadata
>>>>> () [0x00011] in
>>>>>
>>>>> /usr/src/packages/BUILD/mono-2.10.2/mcs/class/System.ServiceModel/System.ServiceModel.Description/ServiceMetadataExtension.cs:74
>>>>>
>>>>>
>>>>>
>>>>>     at System.ServiceModel.Description.HttpGetWsdl.GetMetadata () [0x00012]
>>>>> in
>>>>>
>>>>> /usr/src/packages/BUILD/mono-2.10.2/mcs/class/System.ServiceModel/System.ServiceModel.Description/ServiceMetadataExtension.cs:305
>>>>>     at System.ServiceModel.Description.HttpGetWsdl.EnsureMetadata ()
>>>>> [0x0000b]
>>>>> in
>>>>>
>>>>> /usr/src/packages/BUILD/mono-2.10.2/mcs/class/System.ServiceModel/System.ServiceModel.Description/ServiceMetadataExtension.cs:181
>>>>>
>>>>>
>>>>>
>>>>>     at System.ServiceModel.Description.HttpGetWsdl.Get
>>>>> (System.ServiceModel.Channels.Message req) [0x00000] in
>>>>>
>>>>> /usr/src/packages/BUILD/mono-2.10.2/mcs/class/System.ServiceModel/System.ServiceModel.Description/ServiceMetadataExtension.cs:188
>>>>>
>>>>>
>>>>>
>>>>>     at (wrapper managed-to-native)
>>>>> System.Reflection.MonoMethod:InternalInvoke
>>>>> (System.Reflection.MonoMethod,object,object[],System.Exception&)
>>>>>     at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags
>>>>> invokeAttr, System.Reflection.Binder binder, System.Object[] parameters,
>>>>> System.Globalization.CultureInfo culture) [0x000d5] in
>>>>>
>>>>> /usr/src/packages/BUILD/mono-2.10.2/mcs/class/corlib/System.Reflection/MonoMethod.cs:226
>>>>>
>>>>>
>>>>> -Vinod
>>>>>
>>>>> On Thu, Jul 21, 2011 at 6:37 PM, Atsushi Eno-2 [via Mono]<[hidden email]>
>>>>> wrote:
>>>>>> It is more important than you think. You might have written very few
>>>>>> code, but that does tell us that "it is driven by default configuration"
>>>>>> which tells a lot.
>>>>>>
>>>>>> Anyways give it a try with 2.10, which likely give different results :)
>>>>>>
>>>>>> Atsushi Eno
>>>>>>
>>>>>>> Well, It's like a helloworld service. There is barely any code
>>>>>>> involved.
>>>>>>>
>>>>>>> As for the versions, I will try the 2.10.x and let you know if it
>>>>>>> fixes my problem
>>>>>>>
>>>>>>> Thanks.
>>>>>>>
>>>>>>> -Vinod
>>>>>>>
>>>>>>> On Thu, Jul 21, 2011 at 4:58 PM, Atsushi Eno
>>>>>>> <[hidden email]
>>>>>>> <mailto:[hidden email]>>     wrote:
>>>>>>>
>>>>>>>       Hello,
>>>>>>>
>>>>>>>       Without the actual sources I can only guess, but .NET 4 has
>>>>>>>       couple of configuration changes which 2.8.x does not likely
>>>>>>>       to support. Also it has much less configuration elements
>>>>>>>       support as compared to 2.10.x.
>>>>>>>
>>>>>>>       Atsushi Eno
>>>>>>>
>>>>>>>           Hi, I am trying to host a simple application with one aspx,
>>>>>>>           asmx and svc file each. I followed the below guide to achieve
>>>>>>>           the hosting (since I am very new to the linux world, it took a
>>>>>>>           while to understand it!): http://www.mono-project.com/
>>>>>>>           Mod_mono#Manual_Mod_Mono_ Configuration
>>>>>>>
>>>>>>> <http://www.mono-project.com/Mod_mono#Manual_Mod_Mono_Configuration>
>>>>>>>           After all the hosting, I am able to access the aspx and asmx
>>>>>>>           file. But when I try to access the svc file, I get the below
>>>>>>>           error: */The ServiceHost must have at least one application
>>>>>>>           endpoint (that does not include metadata exchange endpoint)
>>>>>>>           defined by either configuration, behaviors or call to
>>>>>>>           AddServiceEndpoint methods./* or */HttpListenerContext does
>>>>>>>           not match any of the registered channels/* Below is how my
>>>>>>>           ServiceModel part of web.config looks: Can you please tell me
>>>>>>>           what I am doing wrong? Note: I used MS VS 2010 to create this
>>>>>>>           project and then published it. The published directory is
>>>>>>>           copied to the Apache/Linux Environment. The WCF doesn't make
>>>>>>>           use of any complex type. I am using Mono Version 2.8.2
>>>>>>>           View this message in context: WCF Hosting Problem
>>>>>>>           <http://mono.1490590.n4. nabble.com/WCF-Hosting-
>>>>>>>           Problem-tp3682894p3682894.html
>>>>>>>
>>>>>>>
>>>>>>> <http://mono.1490590.n4.nabble.com/WCF-Hosting-Problem-tp3682894p3682894.html>
>>>>>>>           >
>>>>>>>           Sent from the Mono - General mailing list archive
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>>>>>>>           f1490591.html
>>>>>>>           <http://mono.1490590.n4.nabble.com/Mono-General-f1490591.html>>
>>>>>>> at
>>>>>>>           Nabble.com.
>>>>>>>
>>>>>>>
>>>>>>>
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