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dotnet remoting : FileNotFound exception
Hi Prodip
Can you give a bit more info. See below: [quoted text, click to view] Prodip Saha wrote: > Hi, > I have a wellknown remote service and it is hosted using windows service. > The windows service is generic and it does not have any reference to any > dll. Could you explain that a bit more. I'm not sure I follow what you're saying here. I simply configure the services through the configuration file. Thanks [quoted text, click to view] > to Ingo Rammer for valuable clue on where to store the .config file if the > service is hosted by a Windows Service. > Should be in the system32 folder on the server. Yes? [quoted text, click to view] > All works fine when the configured components are copied in the same > directory where Windows Service is running. These components are installed > in the GAC. So, obviously, I don't want to have the versioned dlls in this > directory. Instead, I want them to load from GAC. That's where problem > starts and I get FileNotFound error. > Which file is not found? The service executable? The remotable object dll? Is it a file not found exception or an assembly load failure? At what point is the exception thrown? On starting the service? On instantiating the proxy? On calling a method on the remotable object? [quoted text, click to view] > I checked the fusion log and it is trying to load from the Windows Service > directory. It is not probing in GAC. Why? > When a component asks to load a dll, the .NET Framework always checks the GAC first. So if it can't find the component in the GAC, maybe the strong name is different. For example, is the version number the same? If you haven't fixed the version number in assemblyInfo.cs, it's going to increment anything represented by a * each time you rebuild. I always fix the version when I sign an assembly. <snip /> I am clutching at straws a bit here though. Cheers
Hi,
I have a wellknown remote service and it is hosted using windows service. The windows service is generic and it does not have any reference to any dll. I simply configure the services through the configuration file. Thanks to Ingo Rammer for valuable clue on where to store the .config file if the service is hosted by a Windows Service. All works fine when the configured components are copied in the same directory where Windows Service is running. These components are installed in the GAC. So, obviously, I don't want to have the versioned dlls in this directory. Instead, I want them to load from GAC. That's where problem starts and I get FileNotFound error. I checked the fusion log and it is trying to load from the Windows Service directory. It is not probing in GAC. Why? Here is the config file (simplyfied for readability): <?xml version="1.0"?> <configuration> <system.runtime.remoting> <customErrors mode="off" /> <application name="RemoteService"> <service> <wellknown type="RemoteNamespace.RemoteService1, RemoteService1, Version=1.0.1023.12345 Culture=neutral PublicKeyToken=mnh57202530r1g6f" objectUri="RemoteService1.rem" mode="Singleton" displayName="RemoteService1"/> </service> <channels> <channel ref="tcp" port="9050"> <channelSinkProviders> <serverProviders> <formatter ref="binary"></formatter> </serverProviders> </channelSinkProviders> </channel> </channels> </application> </system.runtime.remoting> <startup> <supportedRuntime version="v1.1.4322"/> <requiredRuntime version="v1.1.4322" safemode="true"/></startup> </configuration> I would appreciate your help. Thanks. Prodip
Peter,
First, thanks for the response. By generic, I mean, the Windows service has only one line of code in the onStart(..) event. This part works fine and I don't have to have the configuration file in the system32 folder. RemotingConfiguration.Configure(AppDomain.CurrentDomain.SetupInformation.Con figurationFile) ; The actual error message is FileNotFound but it is attributed from faliure to load the versioned assembly. Client Code snippet (Factory pattern): RemoteService1 proxy=(RemoteService1)Activator.GetObject(typeof(RemoteService1),"tcp://mach inename:9050/RemoteService1.rem"); SomeotherClass oData=(SomeotherClass )proxy.CreateInstance(); //This is where the call fails _fusionLog "=== Pre-bind state information ===\r\nLOG: DisplayName = RemoteService1 , Version=1.0.1023.12345 \n (Partial)\r\nLOG: Appbase = c:\\program files\\blablabla\\remotingserviceshost\\\r\nLOG: Initial PrivatePath = NULL\r\nCalling assembly : (Unknown).\r\n===\n\r\nLOG: Policy not being applied to reference at this time (private, custom, partial, or location-based assembly bind).\r\nLOG: Post-policy reference: emc.sql.data.access, Version=1.0.1023.12345\r\nLOG: Attempting download of new URL file:///c:/program files/blablabla/remotingserviceshost/RemoteService1.DLL.\r\nLOG: Attempting download of new URL file:///c:/program files/blablabla/remotingserviceshost/RemoteService1/RemoteService1.DLL.\r\nL OG: Attempting download of new URL file:///c:/program files/blablabla/remotingserviceshost/RemoteService1.EXE.\r\nLOG: Attempting download of new URL RemoteService1/RemoteService1/RemoteService1.EXE.\r\n" string... Just to mention- file:///c:/program files/blablabla/remotingserviceshost -- this is where my Windows Service.exe running from. I have been working with the same version installed in GAC with other ASP.NET applications and it is working perfect (I don't have dll in the bin directory of the asp.net app). Interestingly, the same Remote Object works from GAC if I host the Remote Object through Windows Application. It fails only when I host the them with Windows Service! Any further help will be appreciated. Thanks. Prodip [quoted text, click to view] "peter" <apvx95@dsl.pipex.com> wrote in message news:42e8112c$0$358$cc9e4d1f@news.dial.pipex.com... > Hi Prodip > > Can you give a bit more info. See below: > > Prodip Saha wrote: > > Hi, > > I have a wellknown remote service and it is hosted using windows service. > > The windows service is generic and it does not have any reference to any > > dll. > > Could you explain that a bit more. I'm not sure I follow what you're > saying here. > > I simply configure the services through the configuration file. Thanks > > to Ingo Rammer for valuable clue on where to store the .config file if the > > service is hosted by a Windows Service. > > > > Should be in the system32 folder on the server. Yes? > > > All works fine when the configured components are copied in the same > > directory where Windows Service is running. These components are installed > > in the GAC. So, obviously, I don't want to have the versioned dlls in this > > directory. Instead, I want them to load from GAC. That's where problem > > starts and I get FileNotFound error. > > > > Which file is not found? The service executable? The remotable object dll? > > Is it a file not found exception or an assembly load failure? > > At what point is the exception thrown? On starting the service? On > instantiating the proxy? On calling a method on the remotable object? > > > I checked the fusion log and it is trying to load from the Windows Service > > directory. It is not probing in GAC. Why? > > > > When a component asks to load a dll, the .NET Framework always checks > the GAC first. So if it can't find the component in the GAC, maybe the > strong name is different. For example, is the version number the same? > If you haven't fixed the version number in assemblyInfo.cs, it's going > to increment anything represented by a * each time you rebuild. I > always fix the version when I sign an assembly. > > <snip /> > > I am clutching at straws a bit here though. > > Cheers > > > Peter
[quoted text, click to view]
> Just to mention- file:///c:/program > files/blablabla/remotingserviceshost -- this is where my Windows > Service.exe running from. Is your remoted object's assembly in the same directory? I must say that loading issues can occur from many differnt issues but i never had anything similar. Try this: //Global scope private static System.AppDomain domain = null; public void Start(...) { domain = System.AppDomain.CurrentDomain; domain.AssemblyResolve += new ResolveEventHandler(domain_AssemblyResolve); // Your code. } private static System.Reflection.Assembly domain_AssemblyResolve(object sender, ResolveEventArgs args) { if(args.Name.Equals("MyAssemblyName...")) { return System.Reflection.Assembly.LoadFile(path...); } // Put a break point here and look at 'args' to see what is happening. return null; } Erick Sgarbi [quoted text, click to view] > Peter, > First, thanks for the response. > By generic, I mean, the Windows service has only one line of code in > the onStart(..) event. This part works fine and I don't have to have > the configuration file in the system32 folder. > > RemotingConfiguration.Configure(AppDomain.CurrentDomain.SetupInformati > on.Con figurationFile) ; > > The actual error message is FileNotFound but it is attributed from > faliure to load the versioned assembly. > > Client Code snippet (Factory pattern): > RemoteService1 > proxy=(RemoteService1)Activator.GetObject(typeof(RemoteService1),"tcp: > //mach > inename:9050/RemoteService1.rem"); > SomeotherClass oData=(SomeotherClass )proxy.CreateInstance(); //This > is > where the call fails > _fusionLog "=== Pre-bind state information ===\r\nLOG: DisplayName = > RemoteService1 , Version=1.0.1023.12345 \n (Partial)\r\nLOG: Appbase = > c:\\program files\\blablabla\\remotingserviceshost\\\r\nLOG: Initial > PrivatePath = NULL\r\nCalling assembly : (Unknown).\r\n===\n\r\nLOG: > Policy not being applied to reference at this time (private, custom, > partial, or location-based assembly bind).\r\nLOG: Post-policy > reference: emc.sql.data.access, Version=1.0.1023.12345\r\nLOG: > Attempting download of new URL file:///c:/program > files/blablabla/remotingserviceshost/RemoteService1.DLL.\r\nLOG: > Attempting download of new URL file:///c:/program > files/blablabla/remotingserviceshost/RemoteService1/RemoteService1.DLL > .\r\nL OG: Attempting download of new URL file:///c:/program > files/blablabla/remotingserviceshost/RemoteService1.EXE.\r\nLOG: > Attempting download of new URL > RemoteService1/RemoteService1/RemoteService1.EXE.\r\n" string... > > Just to mention- file:///c:/program > files/blablabla/remotingserviceshost -- this is where my Windows > Service.exe running from. > > I have been working with the same version installed in GAC with other > ASP.NET applications and it is working perfect (I don't have dll in > the bin directory of the asp.net app). Interestingly, the same Remote > Object works from GAC if I host the Remote Object through Windows > Application. It fails only when I host the them with Windows Service! > > Any further help will be appreciated. Thanks. > Prodip > "peter" <apvx95@dsl.pipex.com> wrote in message > news:42e8112c$0$358$cc9e4d1f@news.dial.pipex.com... >> Hi Prodip >> >> Can you give a bit more info. See below: >> >> Prodip Saha wrote: >> >>> Hi, >>> I have a wellknown remote service and it is hosted using windows > service. > >>> The windows service is generic and it does not have any reference to >>> any dll. >>> >> Could you explain that a bit more. I'm not sure I follow what you're >> saying here. >> >> I simply configure the services through the configuration file. >> Thanks >> >>> to Ingo Rammer for valuable clue on where to store the .config file >>> if >>> > the > >>> service is hosted by a Windows Service. >>> >> Should be in the system32 folder on the server. Yes? >> >>> All works fine when the configured components are copied in the same >>> directory where Windows Service is running. These components are >>> > installed > >>> in the GAC. So, obviously, I don't want to have the versioned dlls >>> in >>> > this > >>> directory. Instead, I want them to load from GAC. That's where >>> problem starts and I get FileNotFound error. >>> >> Which file is not found? The service executable? The remotable >> object >> > dll? > >> Is it a file not found exception or an assembly load failure? >> >> At what point is the exception thrown? On starting the service? On >> instantiating the proxy? On calling a method on the remotable >> object? >> >>> I checked the fusion log and it is trying to load from the Windows >>> > Service > >>> directory. It is not probing in GAC. Why? >>> >> When a component asks to load a dll, the .NET Framework always checks >> the GAC first. So if it can't find the component in the GAC, maybe >> the strong name is different. For example, is the version number the >> same? If you haven't fixed the version number in assemblyInfo.cs, >> it's going to increment anything represented by a * each time you >> rebuild. I always fix the version when I sign an assembly. >> >> <snip /> >> >> I am clutching at straws a bit here though. >> >> Cheers >> >> Peter >>
Erick,
Interesting. Good news is- It works. I was able to load the dll from GAC but I had to specify the physical location of the dll. This defeats the benefit of loading the dll through configuration file. args.Name was RemoteService1, Version=1.0.1023.12345 and that's what I have specified in the configuration file. Since it is in GAC I did not specify path anywhere. So, what am I missing? I tried with <probing /> tag but it did not help. Any more thoughts other than System.Reflection.Assembly.LoadFile(dllpathname) ? Thanks, Prodip [quoted text, click to view] <erick@csharpbox.com> wrote in message news:9de69f36ae08c761d0823b0c66@msnews.microsoft.com... > > Just to mention- file:///c:/program > > files/blablabla/remotingserviceshost -- this is where my Windows > > Service.exe running from. > > Is your remoted object's assembly in the same directory? I must say that > loading issues can occur from many differnt issues but i never had anything > similar. > > Try this: > > //Global scope > private static System.AppDomain domain = null; > > public void Start(...) > { > domain = System.AppDomain.CurrentDomain; > domain.AssemblyResolve += new ResolveEventHandler(domain_AssemblyResolve); > // Your code. > } > > private static System.Reflection.Assembly domain_AssemblyResolve(object sender, > ResolveEventArgs args) > { > > if(args.Name.Equals("MyAssemblyName...")) > { > return System.Reflection.Assembly.LoadFile(path...); > } > // Put a break point here and look at 'args' to see what is > happening. > return null; > } > > > Erick Sgarbi > > > Peter, > > First, thanks for the response. > > By generic, I mean, the Windows service has only one line of code in > > the onStart(..) event. This part works fine and I don't have to have > > the configuration file in the system32 folder. > > > > RemotingConfiguration.Configure(AppDomain.CurrentDomain.SetupInformati > > on.Con figurationFile) ; > > > > The actual error message is FileNotFound but it is attributed from > > faliure to load the versioned assembly. > > > > Client Code snippet (Factory pattern): > > RemoteService1 > > proxy=(RemoteService1)Activator.GetObject(typeof(RemoteService1),"tcp: > > //mach > > inename:9050/RemoteService1.rem"); > > SomeotherClass oData=(SomeotherClass )proxy.CreateInstance(); //This > > is > > where the call fails > > _fusionLog "=== Pre-bind state information ===\r\nLOG: DisplayName = > > RemoteService1 , Version=1.0.1023.12345 \n (Partial)\r\nLOG: Appbase = > > c:\\program files\\blablabla\\remotingserviceshost\\\r\nLOG: Initial > > PrivatePath = NULL\r\nCalling assembly : (Unknown).\r\n===\n\r\nLOG: > > Policy not being applied to reference at this time (private, custom, > > partial, or location-based assembly bind).\r\nLOG: Post-policy > > reference: emc.sql.data.access, Version=1.0.1023.12345\r\nLOG: > > Attempting download of new URL file:///c:/program > > files/blablabla/remotingserviceshost/RemoteService1.DLL.\r\nLOG: > > Attempting download of new URL file:///c:/program > > files/blablabla/remotingserviceshost/RemoteService1/RemoteService1.DLL > > .\r\nL OG: Attempting download of new URL file:///c:/program > > files/blablabla/remotingserviceshost/RemoteService1.EXE.\r\nLOG: > > Attempting download of new URL > > RemoteService1/RemoteService1/RemoteService1.EXE.\r\n" string... > > > > Just to mention- file:///c:/program > > files/blablabla/remotingserviceshost -- this is where my Windows > > Service.exe running from. > > > > I have been working with the same version installed in GAC with other > > ASP.NET applications and it is working perfect (I don't have dll in > > the bin directory of the asp.net app). Interestingly, the same Remote > > Object works from GAC if I host the Remote Object through Windows > > Application. It fails only when I host the them with Windows Service! > > > > Any further help will be appreciated. Thanks. > > Prodip > > "peter" <apvx95@dsl.pipex.com> wrote in message > > news:42e8112c$0$358$cc9e4d1f@news.dial.pipex.com... > >> Hi Prodip > >> > >> Can you give a bit more info. See below: > >> > >> Prodip Saha wrote: > >> > >>> Hi, > >>> I have a wellknown remote service and it is hosted using windows > > service. > > > >>> The windows service is generic and it does not have any reference to > >>> any dll. > >>> > >> Could you explain that a bit more. I'm not sure I follow what you're > >> saying here. > >> > >> I simply configure the services through the configuration file. > >> Thanks > >> > >>> to Ingo Rammer for valuable clue on where to store the .config file > >>> if > >>> > > the > > > >>> service is hosted by a Windows Service. > >>> > >> Should be in the system32 folder on the server. Yes? > >> > >>> All works fine when the configured components are copied in the same > >>> directory where Windows Service is running. These components are > >>> > > installed > > > >>> in the GAC. So, obviously, I don't want to have the versioned dlls > >>> in > >>> > > this > > > >>> directory. Instead, I want them to load from GAC. That's where > >>> problem starts and I get FileNotFound error. > >>> > >> Which file is not found? The service executable? The remotable > >> object > >> > > dll? > > > >> Is it a file not found exception or an assembly load failure? > >> > >> At what point is the exception thrown? On starting the service? On > >> instantiating the proxy? On calling a method on the remotable > >> object? > >> > >>> I checked the fusion log and it is trying to load from the Windows > >>> > > Service > > > >>> directory. It is not probing in GAC. Why? > >>> > >> When a component asks to load a dll, the .NET Framework always checks > >> the GAC first. So if it can't find the component in the GAC, maybe > >> the strong name is different. For example, is the version number the > >> same? If you haven't fixed the version number in assemblyInfo.cs, > >> it's going to increment anything represented by a * each time you > >> rebuild. I always fix the version when I sign an assembly. > >> > >> <snip /> > >> > >> I am clutching at straws a bit here though. > >> > >> Cheers > >> > >> Peter > >> > >
My bad, I forgot to include the commas in the assembly name. The type must
be comma delimited. Wrong: <wellknown type="RemoteNamespace.RemoteService1, RemoteService1, Version=1.0.1023.12345 Culture=neutral PublicKeyToken=mnh57202530r1g6f" objectUri="RemoteService1.rem" mode="Singleton" displayName="RemoteService1"/> Correct: <wellknown type="RemoteNamespace.RemoteService1, RemoteService1, Version=1.0.1023.12345, Culture=neutral, PublicKeyToken=mnh57202530r1g6f" objectUri="RemoteService1.rem" mode="Singleton" displayName="RemoteService1"/> Erick's suggestion worked but that's not the approach I wanted to go. When I looked at the exception carefully, it says, the DisplayName=... Partial. I immediately realized that somethings must be wrong with the name because the probing NEVER even cared to look in the GAC!! Changed the assembly to name to fully qualified name and, guess what?, it wroks. I don't make this kind of BIG mistake but, I guess, I am a human too!! Again, Suzanne Cook's blog is very helpful. Too much to read. Read with patienc and it will probably get the result. See ref. at- http://blogs.msdn.com/suzcook/archive/2003/05/29/57120.aspx Cheer, Prodip [quoted text, click to view] <erick@csharpbox.com> wrote in message news:9de69f36ae08c761d0823b0c66@msnews.microsoft.com... > > Just to mention- file:///c:/program > > files/blablabla/remotingserviceshost -- this is where my Windows > > Service.exe running from. > > Is your remoted object's assembly in the same directory? I must say that > loading issues can occur from many differnt issues but i never had anything > similar. > > Try this: > > //Global scope > private static System.AppDomain domain = null; > > public void Start(...) > { > domain = System.AppDomain.CurrentDomain; > domain.AssemblyResolve += new ResolveEventHandler(domain_AssemblyResolve); > // Your code. > } > > private static System.Reflection.Assembly domain_AssemblyResolve(object sender, > ResolveEventArgs args) > { > > if(args.Name.Equals("MyAssemblyName...")) > { > return System.Reflection.Assembly.LoadFile(path...); > } > // Put a break point here and look at 'args' to see what is > happening. > return null; > } > > > Erick Sgarbi > > > Peter, > > First, thanks for the response. > > By generic, I mean, the Windows service has only one line of code in > > the onStart(..) event. This part works fine and I don't have to have > > the configuration file in the system32 folder. > > > > RemotingConfiguration.Configure(AppDomain.CurrentDomain.SetupInformati > > on.Con figurationFile) ; > > > > The actual error message is FileNotFound but it is attributed from > > faliure to load the versioned assembly. > > > > Client Code snippet (Factory pattern): > > RemoteService1 > > proxy=(RemoteService1)Activator.GetObject(typeof(RemoteService1),"tcp: > > //mach > > inename:9050/RemoteService1.rem"); > > SomeotherClass oData=(SomeotherClass )proxy.CreateInstance(); //This > > is > > where the call fails > > _fusionLog "=== Pre-bind state information ===\r\nLOG: DisplayName = > > RemoteService1 , Version=1.0.1023.12345 \n (Partial)\r\nLOG: Appbase = > > c:\\program files\\blablabla\\remotingserviceshost\\\r\nLOG: Initial > > PrivatePath = NULL\r\nCalling assembly : (Unknown).\r\n===\n\r\nLOG: > > Policy not being applied to reference at this time (private, custom, > > partial, or location-based assembly bind).\r\nLOG: Post-policy > > reference: emc.sql.data.access, Version=1.0.1023.12345\r\nLOG: > > Attempting download of new URL file:///c:/program > > files/blablabla/remotingserviceshost/RemoteService1.DLL.\r\nLOG: > > Attempting download of new URL file:///c:/program > > files/blablabla/remotingserviceshost/RemoteService1/RemoteService1.DLL > > .\r\nL OG: Attempting download of new URL file:///c:/program > > files/blablabla/remotingserviceshost/RemoteService1.EXE.\r\nLOG: > > Attempting download of new URL > > RemoteService1/RemoteService1/RemoteService1.EXE.\r\n" string... > > > > Just to mention- file:///c:/program > > files/blablabla/remotingserviceshost -- this is where my Windows > > Service.exe running from. > > > > I have been working with the same version installed in GAC with other > > ASP.NET applications and it is working perfect (I don't have dll in > > the bin directory of the asp.net app). Interestingly, the same Remote > > Object works from GAC if I host the Remote Object through Windows > > Application. It fails only when I host the them with Windows Service! > > > > Any further help will be appreciated. Thanks. > > Prodip > > "peter" <apvx95@dsl.pipex.com> wrote in message > > news:42e8112c$0$358$cc9e4d1f@news.dial.pipex.com... > >> Hi Prodip > >> > >> Can you give a bit more info. See below: > >> > >> Prodip Saha wrote: > >> > >>> Hi, > >>> I have a wellknown remote service and it is hosted using windows > > service. > > > >>> The windows service is generic and it does not have any reference to > >>> any dll. > >>> > >> Could you explain that a bit more. I'm not sure I follow what you're > >> saying here. > >> > >> I simply configure the services through the configuration file. > >> Thanks > >> > >>> to Ingo Rammer for valuable clue on where to store the .config file > >>> if > >>> > > the > > > >>> service is hosted by a Windows Service. > >>> > >> Should be in the system32 folder on the server. Yes? > >> > >>> All works fine when the configured components are copied in the same > >>> directory where Windows Service is running. These components are > >>> > > installed > > > >>> in the GAC. So, obviously, I don't want to have the versioned dlls > >>> in > >>> > > this > > > >>> directory. Instead, I want them to load from GAC. That's where > >>> problem starts and I get FileNotFound error. > >>> > >> Which file is not found? The service executable? The remotable > >> object > >> > > dll? > > > >> Is it a file not found exception or an assembly load failure? > >> > >> At what point is the exception thrown? On starting the service? On > >> instantiating the proxy? On calling a method on the remotable > >> object? > >> > >>> I checked the fusion log and it is trying to load from the Windows > >>> > > Service > > > >>> directory. It is not probing in GAC. Why? > >>> > >> When a component asks to load a dll, the .NET Framework always checks > >> the GAC first. So if it can't find the component in the GAC, maybe > >> the strong name is different. For example, is the version number the > >> same? If you haven't fixed the version number in assemblyInfo.cs, > >> it's going to increment anything represented by a * each time you > >> rebuild. I always fix the version when I sign an assembly. > >> > >> <snip /> > >> > >> I am clutching at straws a bit here though. > >> > >> Cheers > >> > >> Peter > >> > >
[quoted text, click to view]
> Erick's suggestion worked but that's not the approach I wanted to go. Just to be clear, that wasnt a solution as I mention, it was quick way for debugging which assembly your app was hitting before throwing the exception. [quoted text, click to view] > I don't make this kind of BIG mistake but, I guess, I am a human too!! We all are... :-)Erick Sgarbi www.blog.csharpbox.com [quoted text, click to view] > My bad, I forgot to include the commas in the assembly name. The type
> must be comma delimited. > > Wrong: > <wellknown type="RemoteNamespace.RemoteService1, RemoteService1, > Version=1.0.1023.12345 Culture=neutral > PublicKeyToken=mnh57202530r1g6f" > objectUri="RemoteService1.rem" mode="Singleton" > displayName="RemoteService1"/> > Correct: > <wellknown type="RemoteNamespace.RemoteService1, RemoteService1, > Version=1.0.1023.12345, Culture=neutral, > PublicKeyToken=mnh57202530r1g6f" > objectUri="RemoteService1.rem" mode="Singleton" > displayName="RemoteService1"/> > Erick's suggestion worked but that's not the approach I wanted to go. > When I looked at the exception carefully, it says, the DisplayName=... > Partial. I immediately realized that somethings must be wrong with the > name because the probing NEVER even cared to look in the GAC!! Changed > the assembly to name to fully qualified name and, guess what?, it > wroks. I don't make this kind of BIG mistake but, I guess, I am a > human too!! > > Again, Suzanne Cook's blog is very helpful. Too much to read. Read > with patienc and it will probably get the result. See ref. at- > http://blogs.msdn.com/suzcook/archive/2003/05/29/57120.aspx > > Cheer, > Prodip > <erick@csharpbox.com> wrote in message > news:9de69f36ae08c761d0823b0c66@msnews.microsoft.com... >>> Just to mention- file:///c:/program >>> files/blablabla/remotingserviceshost -- this is where my Windows >>> Service.exe running from. >>> >> Is your remoted object's assembly in the same directory? I must say >> that loading issues can occur from many differnt issues but i never >> had >> > anything > >> similar. >> >> Try this: >> >> //Global scope >> private static System.AppDomain domain = null; >> public void Start(...) >> { >> domain = System.AppDomain.CurrentDomain; >> domain.AssemblyResolve += new >> ResolveEventHandler(domain_AssemblyResolve); >> // Your code. >> } >> private static System.Reflection.Assembly >> domain_AssemblyResolve(object >> > sender, > >> ResolveEventArgs args) >> { >> if(args.Name.Equals("MyAssemblyName...")) >> { >> return System.Reflection.Assembly.LoadFile(path...); >> } >> // Put a break point here and look at 'args' to see what is >> happening. >> return null; >> } >> Erick Sgarbi >> >>> Peter, >>> First, thanks for the response. >>> By generic, I mean, the Windows service has only one line of code in >>> the onStart(..) event. This part works fine and I don't have to have >>> the configuration file in the system32 folder. >>> RemotingConfiguration.Configure(AppDomain.CurrentDomain.SetupInforma >>> ti on.Con figurationFile) ; >>> >>> The actual error message is FileNotFound but it is attributed from >>> faliure to load the versioned assembly. >>> >>> Client Code snippet (Factory pattern): >>> RemoteService1 >>> proxy=(RemoteService1)Activator.GetObject(typeof(RemoteService1),"tc >>> p: >>> //mach >>> inename:9050/RemoteService1.rem"); >>> SomeotherClass oData=(SomeotherClass )proxy.CreateInstance(); //This >>> is >>> where the call fails >>> _fusionLog "=== Pre-bind state information ===\r\nLOG: DisplayName = >>> RemoteService1 , Version=1.0.1023.12345 \n (Partial)\r\nLOG: Appbase >>> = >>> c:\\program files\\blablabla\\remotingserviceshost\\\r\nLOG: Initial >>> PrivatePath = NULL\r\nCalling assembly : (Unknown).\r\n===\n\r\nLOG: >>> Policy not being applied to reference at this time (private, custom, >>> partial, or location-based assembly bind).\r\nLOG: Post-policy >>> reference: emc.sql.data.access, Version=1.0.1023.12345\r\nLOG: >>> Attempting download of new URL file:///c:/program >>> files/blablabla/remotingserviceshost/RemoteService1.DLL.\r\nLOG: >>> Attempting download of new URL file:///c:/program >>> files/blablabla/remotingserviceshost/RemoteService1/RemoteService1.D >>> LL >>> .\r\nL OG: Attempting download of new URL file:///c:/program >>> files/blablabla/remotingserviceshost/RemoteService1.EXE.\r\nLOG: >>> Attempting download of new URL >>> RemoteService1/RemoteService1/RemoteService1.EXE.\r\n" string... >>> Just to mention- file:///c:/program >>> files/blablabla/remotingserviceshost -- this is where my Windows >>> Service.exe running from. >>> >>> I have been working with the same version installed in GAC with >>> other ASP.NET applications and it is working perfect (I don't have >>> dll in the bin directory of the asp.net app). Interestingly, the >>> same Remote Object works from GAC if I host the Remote Object >>> through Windows Application. It fails only when I host the them with >>> Windows Service! >>> >>> Any further help will be appreciated. Thanks. >>> Prodip >>> "peter" <apvx95@dsl.pipex.com> wrote in message >>> news:42e8112c$0$358$cc9e4d1f@news.dial.pipex.com... >>>> Hi Prodip >>>> >>>> Can you give a bit more info. See below: >>>> >>>> Prodip Saha wrote: >>>> >>>>> Hi, >>>>> I have a wellknown remote service and it is hosted using windows >>> service. >>> >>>>> The windows service is generic and it does not have any reference >>>>> to any dll. >>>>> >>>> Could you explain that a bit more. I'm not sure I follow what >>>> you're saying here. >>>> >>>> I simply configure the services through the configuration file. >>>> Thanks >>>> >>>>> to Ingo Rammer for valuable clue on where to store the .config >>>>> file if >>>>> >>> the >>> >>>>> service is hosted by a Windows Service. >>>>> >>>> Should be in the system32 folder on the server. Yes? >>>> >>>>> All works fine when the configured components are copied in the >>>>> same directory where Windows Service is running. These components >>>>> are >>>>> >>> installed >>> >>>>> in the GAC. So, obviously, I don't want to have the versioned dlls >>>>> in >>>>> >>> this >>> >>>>> directory. Instead, I want them to load from GAC. That's where >>>>> problem starts and I get FileNotFound error. >>>>> >>>> Which file is not found? The service executable? The remotable >>>> object >>>> >>> dll? >>> >>>> Is it a file not found exception or an assembly load failure? >>>> >>>> At what point is the exception thrown? On starting the service? >>>> On instantiating the proxy? On calling a method on the remotable >>>> object? >>>> >>>>> I checked the fusion log and it is trying to load from the Windows >>>>> >>> Service >>> >>>>> directory. It is not probing in GAC. Why? >>>>> >>>> When a component asks to load a dll, the .NET Framework always
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Prodip Saha wrote: I don't make this kind > of BIG mistake but, I guess, I am a human too!! > Well, none of us spotted it either, so I guess that makes us all fallible. No surprises there, then. :) Well done for finding it. Best regards
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