Question

Webservice parser error. Could not load type...

Asked by: louisiana_blues

Hello experts.

I have been working w/webservices for a while, and have figured this out before, but my environment in this situation is different, so I need an expert.

Here is the layout of my web application (that pertains to this issue):

192.168.0.152 (this is the IP address of my website in IIS)
/bin/
/company/webservices/classa/LCS_RequisitionData.asmx
/compan/webservices/classa/bin/
web.config

As you can see, I have a web application in the root (where the web.config file is), but I do not have a web.config file in my webservice root, which is in fact a subdirectory off of my web root.

The name of my webservice file is:
LCS_RequisitionData.asmx

The name of the Class in my above file is:
RequisitionsData

My assembly name is:
WSRequisitions

In my .asmx file, I have the following:
<%@ WebService Language="VB" CodeBehind="LCS_RequisitionData.asmx.vb" Class="WSRequisitions.RequisitionsData" %>

I essentially copy the WSRequisitions.dll file from the webservice bin folder to the web app root /bin folder (I do this w/a build support project, but that's irrelevant, right?)

When I attempt to run my above webservice file as follows:

http://192.168.0.152/webservices/classa/LCS_RequisitionData.asmx

I get the following error:

Parser Error
Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately.

Parser Error Message: Could not create type 'WSRequisitions.RequisitionsData'.

Source Error:

Line 1:  <%@ WebService Language="VB" CodeBehind="LCS_RequisitionData.asmx.vb" Class="WSRequisitions.RequisitionsData" %>


The rest of the web app runs fine.  I do not have a web.config file in the webservice folder, because of the issues w/multiple web.config files in application subdirectories.

I believe I have to change my web.config file in some way, but I've tried numerous things and none worked.

Can an expert help me get this running?  I have looked at *each* of the other 'web parser error' questions here and on google, and none of them answer this question of what to do in a situation like this.

Obviously difficult question, so 500 big ones to the expert who can answer it... :)


--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:2.0.50727.832; ASP.NET Version:2.0.50727.832

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Asked On
2007-08-22 at 14:31:45ID22780813
Tags

could

,

load

,

type

,

error

,

parser

Topics

Microsoft Visual C#.Net

,

Microsoft Visual Basic.Net

,

Web Services and WCF

Participating Experts
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Comments
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Answers

 

by: TheLearnedOnePosted on 2007-08-22 at 18:37:14ID: 19750977

Are you working with the pre-compiled web service?  If not, then you need to copy the code-behind into the App_Code folder on the web service site.

Bob

 

by: louisiana_bluesPosted on 2007-08-23 at 07:56:21ID: 19754911

Hey The Learned One.  Thanks for responding.

No, I'm not using the pre-compiled web service.  In fact, there isn't even an app_code folder in the project.  And it works fine w/o it in the debugger.

 

by: TheLearnedOnePosted on 2007-08-23 at 18:58:30ID: 19759289

Are you using a code-behind, or is everything in one file?

Bob

 

by: louisiana_bluesPosted on 2007-09-23 at 23:29:53ID: 19946782

I discovered the problem, after WEEKS on the phone w/Microsoft 'experts'.  Yikes.  Getting these people to admit something is a bug is nigh on impossible.

For future reference, you cannot place an asmx file more than two levels down from the web.config file.

In other words, the following will work:

website folder (web.config)
--webservices folder
  myservice.asmx

The following will NEVER WORK:

website folder (web.config)
--webservices main folder
----web services category 1 folder
----myservice_category1.asmx

There is a bug in web services in ASP.NET that it cannot find a bin from more than two levels down.  Of course, in Java, this is not even an issue--ergo the two weeks I spent helping M$ diagnose their bug is time I would never even had to have spent if using Java.

Ah, If Java had just not completely screwed up their language w/J2EE..because Microsoft is sure doing everything they can to f up asp.net.

There *should* be an app.config for *every* dll, that is somehow referenced by whatever web.config or app.config is controlling the *application*.

I say this, because we have other issues in wrapping our Data Providers and BOs in web services.  What about localization?  Do you know what you have to do?  You have to *COPY* the App_GlobalResources and App_LocalResources to multiple folders in order to implement localization for both web applications and web services (since the only solution to the first problem was to have a www.mysite.com and a webservices.mysite.com/categorya/myservice.asmx).  Ergo, two different applications, yet they cannot reference the same localization files unless they are *copied* on deployment.  .NET is becoming very messy, because most M$ 'experts' only know about one or two *parts* of .NET.  and they miss the boat on true aggregate architecturally correct solutions.

You can delete this question.  Or save it for future folks who ask the 'why isn't my web service working?'.  

20120131-EE-VQP-002

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