[Mono-list] WCF Hosting Problem

Atsushi Eno atsushieno at veritas-vos-liberabit.com
Thu Jul 21 13:16:45 EDT 2011 

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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