I am using a seperate process. After I include IronPython.dll in the library
where my remote object is implemented, I get the following exception:
"Attempted to call a method declared on type
'IronPython.Runtime.IDynamicObject' on an object which exposes
'RemotingServerClient.ServerTalk'." (RemotingServerClient.ServerTalk is my
remote object)
If you need the stacktrace, see the attachment.
I also have another problem. I was trying to get an event via remoting from
the server back to my client (using client activated objects setting). I
include a library in both the server as the python client in which my remote
object is implemented. This also contains a delegate to be used for the
event. When I try to register a delegate from the python client, I get the
following exception:
Cannot serialize delegates over unmanaged function pointers, dynamic methods
or methods outside the delegate creator's assembly.
When using a c# client, this works ok.
Thanks for your help.
Ralph Soons
From: Dino Viehland <[EMAIL PROTECTED]>
Reply-To: Discussion of IronPython <[email protected]>
To: Discussion of IronPython <[email protected]>
Subject: Re: [IronPython] remoting from IronPython
Date: Wed, 14 Jun 2006 17:16:03 -0700
Are you remoting to another process, or to another app domain? Does the
other process have access to IronPython.dll ?
One thing you might want to try doing is installing IronPython into the GAC
(assuming this is beta 7, or if you re-built w/ the Signed Release or
Signed Debug build modes w/ your own key), and then try this. This would
ensure that the type would be loadable in both app domains, even if the
files aren't readily available. It's also go a long way to making sure
we're getting loaded into the correct loader context.
Another helpful debugging tip for debugging CLR interaction issues is
running IronPythonConsole w/ the -X:ExceptionDetail option. That will get
you a much better stack trace about where the issue is occurring.
I'd need to get some time to setup a repro to be able to say much more
about this - but it's definitely something we'll want to make works (or
understand why it doesn't if it's impossible to make work) before 1.0.
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Ralph Soons
Sent: Wednesday, June 14, 2006 6:57 AM
To: [email protected]
Subject: Re: [IronPython] remoting from IronPython
Hi again,
I searched a little further and found out the following:
When using remoting - server activated objects:
and s = NameSpace.RemoteObject()
I discovered the "Cannot load type 'clr:IronPython.Runtime.IDynamicObject,
IronPython...." exception occurs on the following location:
namespace: IronPython.Runtime
file: Ops.cs
funtion: public static DynamicType GetDynamicType(object o) {
Line: if (dt != null) return dt.GetDynamicType(); (line 562)
during debuging I discovered that 'object o' (input of the function) is of
type MarshalByRefObject so I guess its my remote object. The first line in
the function is IDynamicObject dt = o as IDynamicObject;. dt is not null
after executing this line. This is strange because its being casted to
IDynamicObject, which isn't implemented by my remote object. There after
when the next line is executed if (dt != null) return dt.GetDynamicType();,
the exception occurs.
Can anyone tell me why this is going wrong?
I also tried to use client activated objects. In that case the remoting
call is working correctly.
Thanks for your help again.
Ralph Soons
>From: "Ralph Soons" <[EMAIL PROTECTED]>
>Reply-To: Discussion of IronPython <[email protected]>
>To: [email protected]
>Subject: [IronPython] remoting from IronPython
>Date: Wed, 14 Jun 2006 09:09:57 +0200
>
>Hi all,
>
>I am trying to call an function on a server via remoting, using
IronPython.
>First I created a c# server/client to test everything.
>
>In the C# client I have the following code:
>RemotingConfiguration.Configure("executablename.exe.config", false);
>RemoteObject object = new RemoteObject(); I can now reach my remote
>object from the client.
>
>There after I used IronPython to do the same in python:
>System.Runtime.Remoting.RemotingConfiguration.Configure("IronPythonTest
>.exe.config",
>0)
>s = NameSpace.RemoteObject()
>I now get the following error:
>Cannot load type 'clr:IronPython.Runtime.IDynamicObject, IronPython
>
>I also tried:
>s = System.Activator.GetObject(
>System.Type.GetType(NameSpace.RemoteObject),
>"http://localhost:9000/mytest"; )
>I then get this error:
># File , line 0, in GetObject##10
># File mscorlib, line unknown, in GetObject
>#SystemError: Trying to create a proxy to an unbound type.
>
>Can someone tell me if its possible to use remoting from IronPython or
>does any one has an idea what I am doing wrong?
>
>Many thanks!
>Ralph Soons
>
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IronPython 1.0.2357 (Beta) on .NET 2.0.50727.42
Copyright (c) Microsoft Corporation. All rights reserved.
execfile("RemotingCall2.py")
Attempted to call a method declared on type
'IronPython.Runtime.IDynamicObject' on an object which exposes
'RemotingServerClient.ServerTalk'.
Server stack trace:
at
System.Runtime.Remoting.Messaging.StackBuilderSink.VerifyIsOkToCallMethod(Object
server, IMethodMessage msg)
at
System.Runtime.Remoting.Messaging.StackBuilderSink.SyncProcessMessage(IMessage
msg, Int32 methodPtr, Boolean fExecuteInContext)
Exception rethrown at [0]:
at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage
reqMsg, IMessage retMsg)
at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData&
msgData, Int32 type)
at IronPython.Runtime.IDynamicObject.GetDynamicType()
at IronPython.Runtime.Ops.GetDynamicType(Object o) in C:\Documents and
Settings\rsoons\My Documents\Visual Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Runtime\Ops.cs:line 562
at IronPython.Runtime.PythonType.InvokeInit(Object inst, Object[] args)
in C:\Documents and Settings\rsoons\My Documents\Visual Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Runtime\PythonType.cs:line
440
at IronPython.Runtime.ReflectedType.Call(ICallerContext context, Object[]
args) in C:\Documents and Settings\rsoons\My Documents\Visual Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Runtime\ReflectedType.cs:line
965
at IronPython.Runtime.Ops.CallWithContext(ICallerContext context, Object
func, Object[] args) in C:\Documents and Settings\rsoons\My Documents\Visual
Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Runtime\Ops.cs:line 1242
at IronPython.Runtime.Ops.CallWithContext(ICallerContext context, Object
func) in C:\Documents and Settings\rsoons\My Documents\Visual Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Runtime\Ops.Generated.cs:line
118
at RemotingCall2.py##4(Frame )
at IronPython.Runtime.FrameCodeDelegate.Invoke(Frame frame)
at IronPython.Runtime.FrameCode.Run(Frame frame) in C:\Documents and
Settings\rsoons\My Documents\Visual Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Runtime\Frame.cs:line
195
at IronPython.Modules.Builtin.ExecFile(ICallerContext context, Object
filename, Object globals, Object locals) in C:\Documents and
Settings\rsoons\My Documents\Visual Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Modules\Builtin.cs:li
ne 361
at IronPython.Modules.Builtin.ExecFile(ICallerContext context, Object
filename) in C:\Documents and Settings\rsoons\My Documents\Visual Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Modules\Builtin.cs:line
321
at ExecFile##1(Object , Object )
at IronPython.Runtime.CallTarget2.Invoke(Object arg0, Object arg1)
at IronPython.Runtime.OptimizedFunctionAny.Call(Object arg0, Object arg1)
in C:\Documents and Settings\rsoons\My Documents\Visual Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Runtime\BuiltinFunction.Generated.cs:line
521
at IronPython.Runtime.OptimizedFunctionAny.Call(Object[] args) in
C:\Documents and Settings\rsoons\My Documents\Visual Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Runtime\BuiltinFunction.Generated.cs:line
560
at IronPython.Runtime.ReflectedMethodBase.TryOptimizedCall(Object[] args,
Object& ret) in C:\Documents and Settings\rsoons\My Documents\Visual Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Runtime\ReflectedMethod.cs:line
173
at IronPython.Runtime.ReflectedMethodBase.TryCallWorker(Object[] args,
Object& ret) in C:\Documents and Settings\rsoons\My Documents\Visual Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Runtime\ReflectedMethod.cs:line
557
at IronPython.Runtime.ReflectedMethodBase.Call(Object[] args) in
C:\Documents and Settings\rsoons\My Documents\Visual Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Runtime\ReflectedMethod.cs:line
120
at IronPython.Runtime.ReflectedMethodBase.Call(ICallerContext context,
Object[] args) in C:\Documents and Settings\rsoons\My Documents\Visual
Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Runtime\ReflectedMethod.cs:line
134
at IronPython.Runtime.ReflectedMethodBase.Call(ICallerContext context,
Object arg0) in C:\Documents and Settings\rsoons\My Documents\Visual Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Runtime\ReflectedMethod.Generated.cs:line
38
at IronPython.Runtime.Ops.CallWithContext(ICallerContext context, Object
func, Object arg0) in C:\Documents and Settings\rsoons\My Documents\Visual
Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Runtime\Ops.Generated.cs:line
123
at <stdin>##0(Frame )
at IronPython.Runtime.FrameCodeDelegate.Invoke(Frame frame)
at IronPython.Runtime.FrameCode.Run(Frame frame) in C:\Documents and
Settings\rsoons\My Documents\Visual Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Runtime\Frame.cs:line
195
at IronPython.Hosting.PythonEngine.DoOneInteractive(Frame topFrame) in
C:\Documents and Settings\rsoons\My Documents\Visual Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Hosting\PythonEngine.cs:line
441
at IronPython.Hosting.PythonEngine.<RunInteractiveLoop>b__3(Boolean&
continueInteractionArgument) in C:\Documents and Settings\rsoons\My
Documents\Visual Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Hosting\PythonEngine.cs:line
205
at IronPython.Hosting.PythonEngine.TryInteractiveAction(InteractiveAction
interactiveAction, Boolean& continueInteraction) in C:\Documents and
Settings\rsoons\My Documents\Visual Studio
2005\IronPython\IronPython-1.0-Beta7\Src\IronPython\Hosting\P
ythonEngine.cs:line 167
SystemError: Attempted to call a method declared on type
'IronPython.Runtime.IDynamicObject' on an object which exposes
'RemotingServerClient.ServerTalk'.
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