Re: [twsocket] httpserver memoryleak
You have to nil the stream object if Assigned(ClientCnx.DocStream) then begin ClientCnx.DocStream.Free; ClientCnx.DocStream:=nil; end; of just Uses SysUtils; if Assigned(ClientCnx.DocStream) then freeandnil(ClientCnx.DocStream) > I tried: > > ClientCnx := TMyHttpConnection(Client); > if Assigned(ClientCnx.DocStream) then > ClientCnx.DocStream.Free; > > and FastMM complains: > > FastMM has detected an attempt to call a virtual method on a freed object. > An access violation will now be raised in order to abort the current > operation. > > ... etc etc > > - Original Message - > From: "Francois PIETTE" <[EMAIL PROTECTED]> > To: "ICS support mailing" > Sent: Sunday, March 16, 2008 10:18 PM > Subject: Re: [twsocket] httpserver memoryleak > > > >>> Why? do I have to release this stream? >>> >> Of course you have ! >> >> >>> Where is the place to do it? >>> >> When it has been sent and you don't need it anymore. For example from the >> OnRequestDone event handler. >> >> >> -- >> [EMAIL PROTECTED] >> The author of the freeware multi-tier middleware MidWare >> The author of the freeware Internet Component Suite (ICS) >> http://www.overbyte.be >> >> >> - Original Message - >> From: "George" <[EMAIL PROTECTED]> >> To: "ICS support mailing" >> Sent: Sunday, March 16, 2008 6:49 PM >> Subject: [twsocket] httpserver memoryleak >> >> >> >>> Hello, >>> >>> I'm using ICS HttpServer and I have a code: >>> >>> ClientCnx.DocStream := TMemoryStream.Create; >>> ClientCnx.DocStream.Write(Header[1], Length(Header)); >>> ClientCnx.DocStream.CopyFrom(MS2, MS2.Size); >>> MS2.Free; >>> ClientCnx.SendStream; >>> >>> Some times the FastMM memory leak tool reports memory leak >>> in line: >>> >>> ClientCnx.DocStream := TMemoryStream.Create; >>> >>> Why? do I have to release this stream?Where is the place to do it? >>> >>> Thanks >>> >>> -- >>> To unsubscribe or change your settings for TWSocket mailing list >>> please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket >>> Visit our website at http://www.overbyte.be >>> >> -- >> To unsubscribe or change your settings for TWSocket mailing list >> please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket >> Visit our website at http://www.overbyte.be >> > > -- To unsubscribe or change your settings for TWSocket mailing list please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket Visit our website at http://www.overbyte.be
Re: [twsocket] httpserver memoryleak
I tried: ClientCnx := TMyHttpConnection(Client); if Assigned(ClientCnx.DocStream) then ClientCnx.DocStream.Free; and FastMM complains: FastMM has detected an attempt to call a virtual method on a freed object. An access violation will now be raised in order to abort the current operation. ... etc etc - Original Message - From: "Francois PIETTE" <[EMAIL PROTECTED]> To: "ICS support mailing" Sent: Sunday, March 16, 2008 10:18 PM Subject: Re: [twsocket] httpserver memoryleak >> Why? do I have to release this stream? > > Of course you have ! > >> Where is the place to do it? > > When it has been sent and you don't need it anymore. For example from the > OnRequestDone event handler. > > > -- > [EMAIL PROTECTED] > The author of the freeware multi-tier middleware MidWare > The author of the freeware Internet Component Suite (ICS) > http://www.overbyte.be > > > - Original Message - > From: "George" <[EMAIL PROTECTED]> > To: "ICS support mailing" > Sent: Sunday, March 16, 2008 6:49 PM > Subject: [twsocket] httpserver memoryleak > > >> Hello, >> >> I'm using ICS HttpServer and I have a code: >> >> ClientCnx.DocStream := TMemoryStream.Create; >> ClientCnx.DocStream.Write(Header[1], Length(Header)); >> ClientCnx.DocStream.CopyFrom(MS2, MS2.Size); >> MS2.Free; >> ClientCnx.SendStream; >> >> Some times the FastMM memory leak tool reports memory leak >> in line: >> >> ClientCnx.DocStream := TMemoryStream.Create; >> >> Why? do I have to release this stream?Where is the place to do it? >> >> Thanks >> >> -- >> To unsubscribe or change your settings for TWSocket mailing list >> please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket >> Visit our website at http://www.overbyte.be > > -- > To unsubscribe or change your settings for TWSocket mailing list > please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket > Visit our website at http://www.overbyte.be -- To unsubscribe or change your settings for TWSocket mailing list please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket Visit our website at http://www.overbyte.be
Re: [twsocket] httpserver memoryleak
Hello, and how can I know which memorystream is that? I'm sending many requests at the same time!! Thanks - Original Message - From: "Francois PIETTE" <[EMAIL PROTECTED]> To: "ICS support mailing" Sent: Sunday, March 16, 2008 10:18 PM Subject: Re: [twsocket] httpserver memoryleak >> Why? do I have to release this stream? > > Of course you have ! > >> Where is the place to do it? > > When it has been sent and you don't need it anymore. For example from the > OnRequestDone event handler. > > > -- > [EMAIL PROTECTED] > The author of the freeware multi-tier middleware MidWare > The author of the freeware Internet Component Suite (ICS) > http://www.overbyte.be > > > - Original Message - > From: "George" <[EMAIL PROTECTED]> > To: "ICS support mailing" > Sent: Sunday, March 16, 2008 6:49 PM > Subject: [twsocket] httpserver memoryleak > > >> Hello, >> >> I'm using ICS HttpServer and I have a code: >> >> ClientCnx.DocStream := TMemoryStream.Create; >> ClientCnx.DocStream.Write(Header[1], Length(Header)); >> ClientCnx.DocStream.CopyFrom(MS2, MS2.Size); >> MS2.Free; >> ClientCnx.SendStream; >> >> Some times the FastMM memory leak tool reports memory leak >> in line: >> >> ClientCnx.DocStream := TMemoryStream.Create; >> >> Why? do I have to release this stream?Where is the place to do it? >> >> Thanks >> >> -- >> To unsubscribe or change your settings for TWSocket mailing list >> please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket >> Visit our website at http://www.overbyte.be > > -- > To unsubscribe or change your settings for TWSocket mailing list > please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket > Visit our website at http://www.overbyte.be -- To unsubscribe or change your settings for TWSocket mailing list please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket Visit our website at http://www.overbyte.be
Re: [twsocket] httpserver memoryleak
> Why? do I have to release this stream? Of course you have ! > Where is the place to do it? When it has been sent and you don't need it anymore. For example from the OnRequestDone event handler. -- [EMAIL PROTECTED] The author of the freeware multi-tier middleware MidWare The author of the freeware Internet Component Suite (ICS) http://www.overbyte.be - Original Message - From: "George" <[EMAIL PROTECTED]> To: "ICS support mailing" Sent: Sunday, March 16, 2008 6:49 PM Subject: [twsocket] httpserver memoryleak > Hello, > > I'm using ICS HttpServer and I have a code: > > ClientCnx.DocStream := TMemoryStream.Create; > ClientCnx.DocStream.Write(Header[1], Length(Header)); > ClientCnx.DocStream.CopyFrom(MS2, MS2.Size); > MS2.Free; > ClientCnx.SendStream; > > Some times the FastMM memory leak tool reports memory leak > in line: > > ClientCnx.DocStream := TMemoryStream.Create; > > Why? do I have to release this stream?Where is the place to do it? > > Thanks > > -- > To unsubscribe or change your settings for TWSocket mailing list > please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket > Visit our website at http://www.overbyte.be -- To unsubscribe or change your settings for TWSocket mailing list please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket Visit our website at http://www.overbyte.be
[twsocket] httpserver memoryleak
Hello, I'm using ICS HttpServer and I have a code: ClientCnx.DocStream := TMemoryStream.Create; ClientCnx.DocStream.Write(Header[1], Length(Header)); ClientCnx.DocStream.CopyFrom(MS2, MS2.Size); MS2.Free; ClientCnx.SendStream; Some times the FastMM memory leak tool reports memory leak in line: ClientCnx.DocStream := TMemoryStream.Create; Why? do I have to release this stream?Where is the place to do it? Thanks -- To unsubscribe or change your settings for TWSocket mailing list please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket Visit our website at http://www.overbyte.be
