BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  datasnap issue          BorlandTalk.com Forum Index -> C++ Builder Databases (Multi-Tier) View previous topic :: View next topic   Author Message abc Guest Posted: Wed Jun 27, 2007 1:40 pm    Post subject: datasnap issue hello im using borland c++ builder 2006 for creating a multitier datasnap based application. the application runs normally but i have encountered an issue which i dont know if its normal or not. in order to replicate the issue just follow the steps: 1.create a simple datasnap server -client applications 2. open the scksrv.exe in the server side. 3. run the client without running the server at that point you will see that the scksrv.exe opens the server program without asking. clients can start the servers program this way,is there any way that we can avoid it?ofc one way is to close the scksrv.exe,but is there any option that can stop this from happening? moreover i have observed an even stranger behaviour... if the client program and the server program are both open, the client terminates unenxpected for some reason(e.g. throw an exception and close) , and then reopen the client, the scksrv.exe opens a new instance of the server program...(so in the server maschine there will be 2 instances of the same server program...) any ideas on this issue? i havent included any code because there is no need to, just create a simple datasnap server-client and observe their behaviour. thank you for your time Back to top abc Guest Posted: Sat Jul 07, 2007 9:33 pm    Post subject: Re: datasnap issue i managed to solve the problem with opening many instances of the server application. actually it is something that happens in order to have a pool of remote datamodules available for the clients. the instancing option in tools->options->atl can be set to multi in order to allow one remote datamodule to serve many clients instead of opening one remote datamodule instance per client request. to be honest i dont pretty much understand the reason for having many remote datams running,i think one can do the job and can save server resources. but the other problem still remains. if the server is not open and a client requests ,the server opens automatically. how can we fix this issue? thanks "abc" <abc (AT) dd (DOT) com> wrote in message news:46822274 (AT) newsgroups (DOT) borland.com... Quote: hello im using borland c++ builder 2006 for creating a multitier datasnap based application. the application runs normally but i have encountered an issue which i dont know if its normal or not. in order to replicate the issue just follow the steps: 1.create a simple datasnap server -client applications 2. open the scksrv.exe in the server side. 3. run the client without running the server at that point you will see that the scksrv.exe opens the server program without asking. clients can start the servers program this way,is there any way that we can avoid it?ofc one way is to close the scksrv.exe,but is there any option that can stop this from happening? moreover i have observed an even stranger behaviour... if the client program and the server program are both open, the client terminates unenxpected for some reason(e.g. throw an exception and close) , and then reopen the client, the scksrv.exe opens a new instance of the server program...(so in the server maschine there will be 2 instances of the same server program...) any ideas on this issue? i havent included any code because there is no need to, just create a simple datasnap server-client and observe their behaviour. thank you for your time Back to top        BorlandTalk.com Forum Index -> C++ Builder Databases (Multi-Tier) All times are GMT Page 1 of 1 Powered by phpBB © 2001, 2006 phpBB Group .