[Mono-dev] Amazon Lambda With Mono

Juan Cristóbal Olivares cristobal at cxsoftware.com
Tue Nov 22 15:42:00 UTC 2016


James:

Do you have any code sample so it can be debugged? Thanks

On Tue, Nov 22, 2016 at 10:26 AM, james.wheeler.pe <
james.wheeler.pe at gmail.com> wrote:

> Thought I posted this yesterday but can't find it.
>
> Forgive me if it shows up twice.
>
> We have a lot of C# code that we would like to run under Amazon Lambda.
>
> Mono would seem to be the most effective way to achieve this.
>
> I have been able to get simple applications to run but things fail
> when I try to use libraries that ultimately make a call via WebRequest.
>
> Here is a partial stack trace....
>
> libc :   at (wrapper managed-to-native) System.Platform:uname (intptr)
>   at System.Platform.CheckOS () [0x00022] in
> <bd46d4d4f7964dfa9beea098499ab597>:0
>   at System.Platform.get_IsMacOS () [0x0000a] in
> <bd46d4d4f7964dfa9beea098499ab597>:0
>   at System.Net.WebRequest.GetSystemWebProxy () [0x00149] in
> <bd46d4d4f7964dfa9beea098499ab597>:0
>   at System.Net.WebRequest.GetDefaultWebProxy () [0x0003f] in
> <bd46d4d4f7964dfa9beea098499ab597>:0
>   at System.Net.WebRequest.get_DefaultWebProxy () [0x00024] in
> <bd46d4d4f7964dfa9beea098499ab597>:0
>   at System.Net.GlobalProxySelection.get_Select () [0x00000] in
> <bd46d4d4f7964dfa9beea098499ab597>:0
>   at System.Net.HttpWebRequest..ctor (System.Uri uri) [0x0008d] in
> <bd46d4d4f7964dfa9beea098499ab597>:0
>   at (wrapper remoting-invoke-with-check) System.Net.HttpWebRequest:.ctor
> (System.Uri)
>   at System.Net.HttpRequestCreator.Create (System.Uri uri) [0x00000] in
> <bd46d4d4f7964dfa9beea098499ab597>:0
>   at System.Net.WebRequest.Create (System.Uri requestUri) [0x00022] in
> <bd46d4d4f7964dfa9beea098499ab597>:0
>   at Amazon.Runtime.Internal.HttpRequest..ctor (System.Uri requestUri)
> [0x00006] in <5fa4eac2df714faba4a923294bf63545>:0
>   at Amazon.Runtime.Internal.HttpWebRequestFactory.CreateHttpRequest
> (System.Uri requestUri) [0x00000] in <5fa4eac2df714f
> aba4a923294bf63545>:0
>   at Amazon.Runtime.Internal.HttpHandler`1[TRequestContent]
> .CreateWebRequest
> (Amazon.Runtime.IRequestContext requestConte
> xt) [0x0000e] in <5fa4eac2df714faba4a923294bf63545>:0
>   at Amazon.Runtime.Internal.HttpHandler`1[TRequestContent].InvokeSync
> (Amazon.Runtime.IExecutionContext executionContext
> ) [0x00020] in <5fa4eac2df714faba4a923294bf63545>:0
>   at Amazon.Runtime.Internal.PipelineHandler.InvokeSync
> (Amazon.Runtime.IExecutionContext executionContext) [0x0000e] in
> <5fa4eac2df714faba4a923294bf63545>:0
>   at Amazon.Runtime.Internal.Unmarshaller.InvokeSync
> (Amazon.Runtime.IExecutionContext executionContext) [0x00000] in <5f
> a4eac2df714faba4a923294bf63545>:0
>   at Amazon.Runtime.Internal.PipelineHandler.InvokeSync
> (Amazon.Runtime.IExecutionContext executionContext) [0x0000e] in
> <5fa4eac2df714faba4a923294bf63545>:0
>   at Amazon.SQS.Internal.ValidationResponseHandler.InvokeSync
> (Amazon.Runtime.IExecutionContext executionContext) [0x0000
> 0] in <77e6e07db95447a7b69000e72919cece>:0
>   at Amazon.Runtime.Internal.PipelineHandler.InvokeSync
> (Amazon.Runtime.IExecutionContext executionContext) [0x0000e] in
> <5fa4eac2df714faba4a923294bf63545>:0
>
> On the machine I used to create the package to deploy to Amazon Lambda I
> have mono installed and on this machine all the applications work
> flawlessly.
>
> Installing mono for Amazon Lambda is not an option.
>
> I used mkbundle --deps .... to build the package to deploy to Amazon
> Lambda.
>
> For a while I suspected that the issue might be due to a missing or empty
> mono certificate store.  However I implemented the ICertificatePolicy
> interface and accepted everything and that has no affect.
>
> I'd really like to get this working because Amazon Lambda has many
> practical
> benefits.
>
> Any help or suggestions would be greatly appreciated.
>
> Also, and don't know if this is related or relevant, but I cannot get the
> --static flag to work with mkbundle.  The link stage always fails saying it
> cannot find -lmono-2.0.
>
>
>
> --
> View this message in context: http://mono.1490590.n4.nabble.
> com/Amazon-Lambda-With-Mono-tp4669222.html
> Sent from the Mono - Dev mailing list archive at Nabble.com.
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>



-- 
Atte,
Juan Cristóbal Olivares


*cxsoftware.com <http://www.cxsoftware.com/>*
Skype: juancriolivares
Celular: +56-9 9871 7277
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