[Mono-list] WCF Hosting Problem

Atsushi Eno atsushieno at veritas-vos-liberabit.com
Fri Jul 22 08:15:15 EDT 2011 

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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>>>>>>
>>>>>>
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