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• REST design: what verb and resource name to use for a filtering service

  - by kabaros

  I am developing a cleanup/filtering service that has a method that receives a list of objects serialized in xml, and apply some filtering rules to return a subset of those objects. In a REST-ful service, what verb shall I use for such a method? I thought that GET is a natural choice, but I have to put the serialized XML in the body of the request which works but feels incorrect. The other verbs don't seem to fit semantically. What is a good way to define that Service interface? Naming the resource /Cleanup or /Filter seems weird mainly because in the examples I see online, it is always a name rather than a verb being used for resource name. Am I right to feel that REST services are better suited for CRUD operations and you start bending the rules in situations like this service? If yes, am I then making a wrong architectural choice. I've pushed to develop this service in REST-ful style (as opposed to SOAP) for simplicity, but such awkward cases happen a lot and make me feel like I am missing something. Either choosing REST where it shouldn't be used or may be over-thinking some stuff that doesn't really matter? In that case, what really matters?

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• Running Firefox in the Windows service mode

  - by Leonid

  I'm writing a server running as a Windows service that by request invokes Firefox to generate a pdf snapshot of a webpage. I know it is a bad idea to run a GUI program in service mode, but the server nature of my program restricts from running it in the user mode. Running a user-level 'proxy' also is not an option, since there might be no interactive user logged-in on the machine with the server running. In my experiments Firefox successfully produced pdf when the service was running under a user account that was already logged-in. Obviously it didn't work in other cases: for Local System and user accounts that weren't logged-in. Under LocalSystem with 'Allow service to interact with desktop' option enabled I could see the Firefox started that reports that it's unable to find a printer. Since it wouldn't be practical to require an opened user session for the pdf server to run, is there any workaround for this except running the whole thing from a virtual machine?

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• Passing Request Object into Service Layer

  - by SpringTrickery

  In a spring mvc + spring core app, we have have a view layers, a facade, a service layer, a dao layer and a stored-proc based persistance layer. The service layer is unaware of the clients that utilitize its methods. Is it fine to propagate raw http requests into the service layer? Or is it bad practice and a violation of the loose coupling principles? If it is, then what's a clean workaround?

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• windows service cannot access a webservice

  - by Tony

  Hi We have two servers, both are containing a local application connecting to local web service, applications and services are identical on both servers. One of the servers work just fine, The other one is just dead, I have impression the the security configuration are different on those servers. What prevents an application X from connecting a web-service, given that another application y on the same server can connect to it. and X is a windows service. What I should check, what is chances? Thanks

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• ASP.NET web service architecture/structure

  - by Murugesan

  Hi All, I am going to create a new asp.net web service (.NET framework 2.0), the functionality of the web service is to recieve xml input, perform the relevant operation (add/modify/delete) based on the input and return codes which indicates the status of the operation. I am planning to implement two layer architecture (Business layer and database layer) for this web service, could anyone advise whether this is the right structure or any other structure would perform well than this. Basically I need some inputs on designing the web service. Thanks in advance. Thanks, Muru

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• What's the difference between 'service' and 'server'?

  - by bonefisher

  I can imagine that the 'server' can be a machine/host but can be also a program like ftp server, smtp server, etc.. The 'service' on the other hand refers mainly to applications/programms.. Why can then for example the Sql Server cannot be called as Sql Service? It has the same semanthics. Or the other way round: MS Azure service: why it isn't called Azure Server? :)

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• A problem During running OracleDBConsoleoracle service

  - by Waheedoo

  I am facing this problem when I try to run OracleDBConsoleoracle in oracle 11 "Windows could not start the OracleDBConsoleoracle on Local Computer.For more information, review the System Event Log.If this is a non-Microsoft service, contact the service vendor, and refer to service-specific error code 2." Noteice:I was online when I installed Oracle 11. What's the problem? Thanks...

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• Relative Path issue with .Net Windows Service..?

  - by Amitabh

  I have a windows service which is trying to access an xml file from the Application directory. Windows Service Installed directory : C:\Services\MyService\MyService.exe Path of the xml file : C:\Services\MyService\MyService.xml I am trying to access the file using the following code. using (FileStream stream = new FileStream("MyService.xml", FileMode.Open, FileAccess.Read)) { //Read file } I get the following error. "Can not find file : C:\WINDOWS\system\MyService.xml" My service is running with local system account and I don't want to use absolute path.

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• how to debug a WCF service once it's out of dev env

  - by ffc

  hi, I have a WCF service that i've been able to communicate with fine while it's hosted locally. I have it deployed to a web server in IIS now, and I can get the wsdl file without error by navigating to http://site.com:8000/service/servicename.svc?wsdl in trying to test this, i've created a console app and was able to successfully add a service reference to this. But when I try to run a Get() method on the service reference, it just hangs with no response. How can I begin to debug this? Thanks!

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• Debugging windows service without consuming code from another app

  - by dotnetdev

  Hi, Is it possible to debug a windows service or class library without consuming the code in a launchable app? There is a thread about doing this, but the techniques don't work and keep saying "Cannot start service..." as I am using a windows service. Thanks

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• what the proxy web service

  - by Azhar

  what the proxy web service

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• License For (Mostly) Open Source Website / Service

  - by Ryan Sullivan

  I have an interesting setup and am not sure how to license a website. I know this is not legal advice, and I am not asking for any. There are so many different Open Source Licenses and I do not have the time to read every last one to see which best fits my situation. Really, I am looking for suggestions and a nudge in the right direction. My setup is: I give away for free version of my web service with a clean website interface. The implementation I use in the actual web site is (almost) identical to what I give away. The main service works the exactly the same way, but the website interface to manage features in the service is fairly different. Really the web interfaces have the same exact backend, and the front ends accomplish the same tasks, but the service I offer on my site is very rich and uses a good deal of javascript, where I kept the interface in the version I give away as simple and javascript-less as possible. Mostly so it is easy to understand and integrate into other sites. I am not entirely sure how I should license this. It is more like I develop an open source service but have a separate site built upon it. I like the GPLv3 but I am not sure if I can use it in this case especially since I am making some money off of google ad's on the site and plan on using amazon affiliates as well. Any help would be greatly appreciated. I do want to open it up as much as possible. But I still want to be able to continue with my own implementation. Thanks in advance for any information or help anyone can provide.

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• IIS publish of WCF service -- fails with no error message

  - by tavistmorph

  I havea WCF service which I publish from Visual Studio 2008 to an IIS 6. According to the output window of VS, the publish succeeded, no error messages or warnings. When I look at IIS, the virtual directory was created, but there is no .svc listed in the directory. The directory just has my web.config and a bin. Any attempts to call my WCF service fail cause they don't exist. How can I see an error message of what's going wrong? By trial-and-error, I discovered changing my app.config before publishing will make the service show up. Namely my app.config file has these lines: <binding ...> <security mode="Transport"> <transport clientCreditionalType="None"/> </security> </binding> If I switch "Transport" to "None", then my service shows up on IIS. But I do have a certificate installed on IIS on the server, and as far as I can tell, everything is configured correctly on the server. There is no error message in the event log. How can I get a find more error messages about why the service is failing to show up?

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• How to add a web service reference in a DLL

  - by dan

  I'm creating a DLL with a reference to web services (I don't have the choice to do so) but I have to add web service references to the project that uses the DLL for it to work. Example, I have the DLL called API.DLL that calls a web service called WebService.svc that I want to use in a project called WinForm. First, I have to add a "Service Reference" to WebService.svc in API.DLL. Then, I add a reference API.DLL to WinForm but it doesn't work unless I also add a service reference to WebService.svc in WinForm. What can I do to avoid that last step?

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• Call AsyncTask methods from another class/service (callbacks?)

  - by TiGer

  Hi, I was wondering if it's possible to call specific methods defined within the AsynTask class from another class and/or service ? In my specific case I have a Service playing some sounds, but the sound is selected from a List with available sounds... When a sounds is selected it is downloaded from my home server, this takes some time (not much, let's say around the 3-4 seconds, the sounds/effects aren't big in size)... So my problem at the moment is that I have a service to play those sounds, and when I select one I wanted to show a progressdialog... The way (if I understood correctly) is to use an AsyncTask, but the only thing the AsyncTask will do is telling my Service to play a specific sound from my server... So there is no "callback" from the service to the Asynctask... How can I achieve that ? How can I call a running AsyncTask, which sits in another class, and tell him all work is done and thus he can stop showing the ProgressDialog ? Or am I over-engineering it and there are other ways ? Thanks in advance...

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• Windows Service on NetworkService account can't access remote (shared) directory

  - by Aetius

  I'm trying to remotely access a shared folder with a Windows Service set to NetworkService account permissions. However, I get errors when I try to do this, e.g. Directory.Exists(servicePath) returns false, FileSystemWatcher doesn't recognize activity in the directory. If I change the service's account to LocalSystem, these methods work. I don't want to give the service root-level access, though. It seems to be a permissions problem, so how can I give the service permission to access the directory and monitor it?

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• where to store web service exceptions?

  - by ICoder

  Hello all, I am working on building a web service (using c#) and this web service will use MS Sql server database. Now, I am trying to build an (exceptions log system) for this web service. Simply, I want to save every exception on the web service for future use (bug tracing), so, where is the best place to save these exceptions? Is it good idea to save it in the database? What if the exception is in the connection to the database itself? I really appreciate your help and your ideas. Thanks

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• WCF service code in window application

  - by Mariya

  Hello, I am using C#.net application code. I require to call service for Window Application and i am using below code to open service Host, using (ServiceHost host = new ServiceHost( typeof(class1), new Uri[] { new Uri("net.pipe://localhost") }) ) { } & Then we have clinet Console application to connect to serviceHost. Problem is, When i create service/Client application Using Conslole Application both are working fine. But if i call servide code form Window application to connect to console client it gives Error for Binding Error like("No End Point/Address found to test") Can any one help me to run service from C# window application ? Thanks

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• Obtaining XML from U.S. Postal Service (USPS) rate calculator API with PHP

  - by Chris F

  hoping somebody here can help me. I'm attempting to pull an XML page from the U.S. Postal Service (USPS) rate calculator, using PHP. Here is the code I am using (with my API login and password replaced of course): <? $api = "http://production.shippingapis.com/ShippingAPI.dll?API=RateV4&XML=<RateV4Request ". "USERID=\"MYUSERID\" PASSWORD=\"MYPASSWORD\"><Revision/><Package ID=\"1ST\">". "<Service>FIRST CLASS</Service><FirstClassMailType>PARCEL</FirstClassMailType>". "<ZipOrigination>12345</ZipOrigination><ZipDestination>54321</ZipDestination>". "<Pounds>0</Pounds><Ounces>9</Ounces><Container/><Size>REGULAR</Size></Package></RateV4Request>"; $xml_string = file_get_contents($api); $xml = simplexml_load_string($xml_string); ?> Pretty straightforward. However it never returns anything. I can paste the URL directly into my browser's address bar: http://production.shippingapis.com/ShippingAPI.dll?API=RateV4&XML=<RateV4RequestUSERID="MYUSERID" PASSWORD="MYPASSWORD"><Revision/><Package ID="1ST"><Service>FIRST CLASS</Service><FirstClassMailType>PARCEL</FirstClassMailType><ZipOrigination>12345</ZipOrigination><ZipDestination>54321</ZipDestination><Pounds>0</Pounds><Ounces>9</Ounces><Container/><Size>REGULAR</Size></Package></RateV4Request> And it returns the XML I need, so I know the URL is valid. But I cannot seem to capture it using PHP. Any help would be tremendously appreciated. Thanks in advance.

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• Windows Service is not Working.

  - by prateeksaluja20

  I had made a windows service in visual studio 2008 in C#.inside the service i had written only single line code try { System.Diagnostics.Process.Start(@"E:\Users\Sk\Desktop\category.txt"); } catch { } then i add the project insatller & change the serviceProcessInstaller1 Account proerty as local system Also change the serviceInstaller1 start type proerty as Automatic. then i build the project.it was succesfull. after that i add another project that was setup project.i had added pprimary project output & i had added the custom action as "Primary output from DemoWindowsService (Active)".then buil the setup.setup was build sucessfully.then i install the setup & then went to services start the service.service stated properly butit was not performing the task. i had checked the path is correct & also i tried to do System.Diagnostics.Process.Start(@"E:\Windows\system32\notepad.exe") but still result is same.i tried alot but not getting the ans soleasse help me to solve this problem.

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• Web Service Security java

  - by WhoAmI

  My web service was created some time back using IBM JAX-RPC. As a part of enhancement, I need to provide some security to the existing service. One way is to provide a handler, all the request and response will pass through that handler only. In the request I can implement some authentication rules for each and every application/user accessing it. Other than this, What are the possible ways for securing it? I have heard someting called wsse security for web service. Is it possible to implement it for the JAX-RPC? Or it can be implemented only for JAX-WS? Need some helpful inputs on the wsse security so that i can jump learning it. Other than handler and wsse security, any other possible way to make a service secure? Please help.

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• Multiple WCF Services implementing same Service Contract interface

  - by andrewczwu

  Is it possible for multiple wcf services to implement the same service contract interface? What I want to do is allow for a test service to be interchangeable for the real service, and to specify which service to be used in the configuration file. For example: [ServiceContract] public interface IUselessService { [OperationContract] string GetData(int value); } Test implementation public class TestService : IUselessService { public string GetData(int value) { return "This is a test"; } } Real class public class RealService : IUselessService { public string GetData(int value) { return string.Format("You entered: {0}", value); } }

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• Service binding relation

  - by moppel

  Can one service be bound to n activities?

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• Le service de "Cloud computing" de jeux vidéo OnLive annonce ses dates et son prix à la Game Develop

  Mise à jour du 11/03/10 Le service de "Cloud computing" de jeux vidéo OnLive annonce ses dates et son prix à la Game Developers Conference 2010 Se déroulant actuellement, la Game Developers Conference 2010 a offert l'occasion à Mike McGarvey, responsable du projet OnLive, d'officialiser certains points sur son projet de "could computing" pour les jeux vidéo. On apprend ainsi que le service sera disponible à partir du 17 juin prochain sur la sol américain. Rien n'est précisé quand à sa disponibilité du service en Europe. Le service demandera au client de s'abonner mensuellement pour un prix de 14,95$ (soit environ 11€ par mois). Le service sera dans un p...

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• Where do service implementations fit into the Microsoft Application Architecture guidelines?

  - by tuespetre

  The guidelines discuss the service layer with its service interfaces and data/message/fault contracts. They also discuss the business layer with its logic/workflow components and entities as well as the 'optional' application facade. What is unclear still to me after studying this guide is where the implementations of the service interfaces belong. Does the application facade in the business layer implement these interfaces, or does a separate 'service facade' exist to make calls to the business layer and it's facade/raw components? (With the former, there would be less seemingly trivial calls to yet another layer, though with the latter I could see how the service layer could remove the concerns of translating business entities to data contracts from the business layer.)

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