[Mono-dev] mono contains a bug for version 1.1.13-6 and 1.1.14 ; This might be the case for version above 1.1.8-3
Zoltan Varga
vargaz at gmail.com
Tue Jun 6 12:45:41 EDT 2006
Hi,
Your application depends on the Thread.Interrupt () method which is not
implemented in mono. In previous versions, it did nothing, in later versions it
throws a NotImplementedException to alert users to the fact that it is not
implemented.
Zoltan
On 6/6/06, Saliou, Lionel <L.Saliou at napier.ac.uk> wrote:
>
>
>
> Dear all,
>
> I have been developping a bunch of client/server applications for my
> research. In a nutshell, the client is tasked to contact the servers around
> the network, have them perform a bunch of tasks, retrieve/archive the
> results, and close the connection. All the application are developped in C#
> .NET; the client application typically runs on a Windows XP type machine
> whereas the servers run on Ubuntu Linux hosts (both Breezy Badger and Dapper
> Drake). The linux hosts all have custom kernells to 'enhance' performance.
>
> So far I have developped and tested my applications on a computer running
> Ubuntu Dreezy 5.10 and mono-1.1.8-3 (default version available with Breezy),
> and everything works fine. However, if I do run the applications using
> another version of mono (1.1.13-6 [default version of Dapper) or 1.1.14), my
> applications crash. Apparently, this is due to some event within my
> applications that is not handled???? Here is a sample of what is going on
> using version 1.1.8-3 in the first instance then 1.1.14
>
> [SCREEN CAPTURE]
> [mono versions]
> lionel at arthemis:~/Projects/dotNetTest$ mono -V
> Mono JIT compiler version 1.1.14, (C) 2002-2005 Novell, Inc and
> Contributors. ww w.mono-project.com
> TLS: normal
> GC: Included Boehm (with typed GC)
> SIGSEGV: normal
> Disabled: none
> lionel at arthemis:~/Projects/dotNetTest$ which mono
> /home/lionel/mono-1.1.14/bin/mono
> lionel at arthemis:~/Projects/dotNetTest$ sudo mono -V
> Mono JIT compiler version 1.1.8.3, (C) 2002-2005 Novell, Inc and
> Contributors. w ww.mono-project.com
> TLS: __thread
> GC: Included Boehm (with typed GC)
> SIGSEGV : normal
> Globalization: normal
> lionel at arthemis:~/Projects/dotNetTest$ sudo which mono
> /usr/bin/mono
> [/mono versions]
> [TEST 1]
> lionel at arthemis:~/Projects/dotNetTest$ ls
> CMCSNetworking.dll CMCSUtilities.dll LinuxSlave_v4.exe old
> lionel at arthemis:~/Projects/dotNetTest$ which sudo mono
> /usr/bin/mono
> lionel at arthemis:~/Projects/dotNetTest$ sudo mono LinuxSlave_v4.exe
> Note, this application is a test ...
> Linux Slave v4> hping
> Starting HPing Service...
> This machine Name : arthemis
> This machine IP Address : *.*.*.13
> Server is online on port :2048
> Starting up Server...
> Maximum allowed number of connection : 1
> Note, this application is a test ...
> Linux Slave v4>
> Receiving connection requestion from Client (*.*.*.87:1569)
> message =*.*.*.87 -c 20|2
> strParameters = *.*.*.87 -c 20
> iNbOfIteration = 2
>
> --- *.*.*.87 hping statistic ---
> 20 packets transmitted, 20 packets received, 0% packet loss
> round-trip min/avg/max = 0.5/0.6/0.8 ms
> [output from HPING omitted]
>
> --- *.*.*.87 hping statistic ---
> 20 packets transmitted, 20 packets received, 0% packet loss
> round-trip min/avg/max = 0.5/0.5/0.7 ms
> [output from HPING omitted]
> Breaking out!
> Management pool number : 0
>
> Linux Slave v4>
> [/TEST 1]
>
> [TEST 2]
> lionel at arthemis:~/Projects/dotNetTest$ ls
> CMCSNetworking.dll CMCSUtilities.dll LinuxSlave_v4.exe old
> lionel at arthemis:~/Projects/dotNetTest$ which mono
> /home/lionel/mono-1.1.14/bin/mono
> lionel at arthemis:~/Projects/dotNetTest$ sudo ~/mono-1.1.14/bin/mono
> LinuxSlave_v4.exe
> Note, this application is a test ...
> Linux Slave v4> hping
> Starting HPing Service...
> This machine Name : arthemis
> This machine IP Address : *.*.*.13
> Server is online on port :2048
> Starting up Server...
> Maximum allowed number of connection : 1
> Note, this application is a test ...
> Linux Slave v4>
> Receiving connection requestion from Client (*.*.*.87:1432)
> message =*.*.*.87 -c 20|2
> strParameters = *.*.*.87 -c 20
> iNbOfIteration = 2
>
> --- *.*.*.87 hping statistic ---
> 20 packets transmitted, 20 packets received, 0% packet loss
> round-trip min/avg/max = 0.5/0.6/0.8 ms
> [output from HPING omitted]
>
> --- *.*.*.87 hping statistic ---
> 20 packets transmitted, 20 packets received, 0% packet loss
> round-trip min/avg/max = 0.5/0.5/0.7 ms
> [output from HPING omitted]
> Breaking out!
> Management pool number : 0
>
> Unhandled Exception: System.NotImplementedException: The requested feature
> is not implemented.in <0x0001d>
> System.Threading.Thread:Interrupt ()
> in <0x0001d> CMCS.Networking.GenServerReceive:Stop ()
> in <0x0001d> CMCS.Networking.Connection:Stop ()
> in <0x0009a>
> CMCS.Networking.GenericServer:manageClientPool
> (CMCS.Networking.myEventArgs sender)in (wrapper delegate-invoke)
> System.MulticastDelegate:invoke_void_myEventArgs
> (CMCS.Networking.myEventArgs)in <0x00011>
> CMCS.Networking.Connection:serverNotice
> (CMCS.Networking.myEventArgs Evt)in <0x0000d>
> CMCS.Networking.Connection:serverReceive_LostConnection
> (CMCS.Networking.myEventArgs Evt)in (wrapper delegate-invoke)
> System.MulticastDelegate:invoke_void_myEventArgs
> (CMCS.Networking.myEventArgs)in <0x00011>
> CMCS.Networking.GenServerReceive:lostConnectionNotify
> (CMCS.Networking.myEventArgs Evt)in <0x0016c>
> CMCS.Networking.GenServerReceive:Run ()
> in (wrapper delegate-invoke)
> System.MulticastDelegate:invoke_void ()
> [/TEST 2]
> [/SCREEN CAPTURE]
>
> I could live with a warning but not with a problem that stops my
> applications from cleaning/closing the underlying sockets and so on. As you
> can see my applications are configured to accept one connection at a time,
> hence the client comes back from the next batch of task it gets rejected
> puting my experiments in jeopardy. Please note that the exact same error
> occurs in 1.1.13-6 (Dapper Drake), and also note that once 1.1.8-3 is
> installed on Ubuntu Dapper Drake the application demonstrated in the above
> WORKS!
>
> Now, I admit the CMCS dlls that you see in the above have been developped
> by yours trully. They allow using TCP connections transparently, and ONE
> event is used/raised to trigger the connection pool management (without this
> features my programs don't clean their connection pool and thus I can easily
> be DDoS'd ). They also force developpers to respect the various protocols
> that I defined. But frankly, I don't see why my stuff would work on
> mono-1.1.8-3 but not on other versions, such as 1.1.13 and 1.1.14 .
>
> To make sure that this is not due to the compiler, LinuxSlaves have been
> compiled under both Windows XP (using Visual Studio 2003) and MonoDevelop...
> but not that does not seem to change anything.
>
> Honnestly, I don't have the first clue about what is wrong! However, my
> fellow researchers and I would like to have this fixed for all version of
> mono because otherwise that will force us to "freeze" our test bench which
> could become problematic in the long run.
>
> I do hope that there is a simple fix to this.
>
> Thanks a lot.
>
> Lionel This message is intended for the addressee(s) only and should not be
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