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What can cause application to Freeze |
Thu, Aug 23 2007 9:10 PM | Permanent Link |
"Adam H." | Hi All,
I'm just looking at the moment for some brainstorming ideas on what could cause an application to intermittently freeze whilst processing a query (or set of queries within one TDBISamquery). I'm not talking error messages - just freezing. (On both Local and Client/Server mode). And not the whole computer, but just the Application. I've thought of so far: - Possible script in the progress event - Network problem (although I'm not sure if this would cause freeze, or error) - Dodgy RAM/CPU/Hardware I'm getting to the extent where I believe that there may be more than just one problem (so isolating one or two things at a time may not get me to ever find the solution), but thought that some people here might have some ideas as to the cause they can throw at me. Thanks & Regards Adam. |
Thu, Aug 23 2007 9:39 PM | Permanent Link |
"Robert" | "Adam H." <ahairsub4@rREMOVEMEspamSTOPPER.jvxp.com> wrote in message news:D2E279D4-CF48-4AE7-8176-FE01017310C5@news.elevatesoft.com... > > - Possible script in the progress event Do you have any user interaction during execution of the query? Robert |
Fri, Aug 24 2007 1:04 AM | Permanent Link |
"Adam H." | Hi Robert,
> Do you have any user interaction during execution of the query? No - just the one thread. Any script in the progress event is simply showing a progressbar for the user. Cheers Adam. |
Fri, Aug 24 2007 3:51 AM | Permanent Link |
"Harry de Boer" | Adam,
We encountered some problems with AV software. Don't remember if there were errors but is was a hell to figure that out. Regards, Harry "Adam H." <ahairsub4@rREMOVEMEspamSTOPPER.jvxp.com> schreef in bericht news:D2E279D4-CF48-4AE7-8176-FE01017310C5@news.elevatesoft.com... > Hi All, > > I'm just looking at the moment for some brainstorming ideas on what could > cause an application to intermittently freeze whilst processing a query (or > set of queries within one TDBISamquery). > > I'm not talking error messages - just freezing. (On both Local and > Client/Server mode). And not the whole computer, but just the Application. > > I've thought of so far: > > - Possible script in the progress event > - Network problem (although I'm not sure if this would cause freeze, or > error) > - Dodgy RAM/CPU/Hardware > > I'm getting to the extent where I believe that there may be more than just > one problem (so isolating one or two things at a time may not get me to ever > find the solution), but thought that some people here might have some ideas > as to the cause they can throw at me. > > Thanks & Regards > > Adam. > > |
Fri, Aug 24 2007 4:28 AM | Permanent Link |
Roy Lambert NLH Associates Team Elevate | Adam
I'm sort of going to go with Robert's comment. One problem I have had is where the z-order gets screwed and a dialog box is hidden behind the "active" form. Often means a reboot, and I've never figured out a way to determine if that's what's happened. Roy Lambert |
Fri, Aug 24 2007 5:44 AM | Permanent Link |
"Frans van Daalen" | "Adam H." <ahairsub4@rREMOVEMEspamSTOPPER.jvxp.com> wrote in message news:D2E279D4-CF48-4AE7-8176-FE01017310C5@news.elevatesoft.com... > Hi All, > > I'm just looking at the moment for some brainstorming ideas on what could > cause an application to intermittently freeze whilst processing a query > (or set of queries within one TDBISamquery). > > I'm not talking error messages - just freezing. (On both Local and > Client/Server mode). And not the whole computer, but just the Application. > > I've thought of so far: > > - Possible script in the progress event > - Network problem (although I'm not sure if this would cause freeze, or > error) > - Dodgy RAM/CPU/Hardware > > I'm getting to the extent where I believe that there may be more than just > one problem (so isolating one or two things at a time may not get me to > ever find the solution), but thought that some people here might have some > ideas as to the cause they can throw at me. > > Thanks & Regards > > Adam. Are you sue it is frozen? So if you open an other window like explorer and run it over you program your programm form will not be repainted? If yes then it is frozen, if not then there might be an message-dialog not vissible. Using the alt-tab will bring this message-dialog to the front. |
Fri, Aug 24 2007 6:10 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Adam,
<< I'm not talking error messages - just freezing. (On both Local and Client/Server mode). And not the whole computer, but just the Application. >> If it was just C/S, then I would say that you're probably running into the ping issue just fixed in the latest build. But for local, that's a whole different issue. So, the application stops using any CPU or anything ? -- Tim Young Elevate Software www.elevatesoft.com |
Sat, Aug 25 2007 4:16 AM | Permanent Link |
"Iztok Lajovic" | Adam,
a possible reason of freezing could be in exception trapper program if you are using it. I use Eurekalog which has an Anti-Freeze option. If this option is enabled then Eurekalog detects that program is not active in terms of sending messages to screen or requesting intervention from user more than defined timeout seconds and raises an exception. Iztok Lajovic "Adam H." <ahairsub4@rREMOVEMEspamSTOPPER.jvxp.com> je napisal v sporočilo news:D2E279D4-CF48-4AE7-8176-FE01017310C5@news.elevatesoft.com ... > Hi All, > > I'm just looking at the moment for some brainstorming ideas on what could > cause an application to intermittently freeze whilst processing a query > (or set of queries within one TDBISamquery). > > I'm not talking error messages - just freezing. (On both Local and > Client/Server mode). And not the whole computer, but just the Application. > > I've thought of so far: > > - Possible script in the progress event > - Network problem (although I'm not sure if this would cause freeze, or > error) > - Dodgy RAM/CPU/Hardware > > I'm getting to the extent where I believe that there may be more than just > one problem (so isolating one or two things at a time may not get me to > ever find the solution), but thought that some people here might have some > ideas as to the cause they can throw at me. > > Thanks & Regards > > Adam. > |
Sun, Aug 26 2007 8:27 PM | Permanent Link |
"Adam H." | Good Morning All,
Firstly - thanks for all your suggestions. I've checked the Antivirus software, and believe that it's not causing a problem, but thanks for the suggestion Harry! Roy and Frans - thank you so much for your suggestions about z-order. I had no idea about this isue at all until now! I have made modifications to my applicaiton to turn off windows Ghosting, and will also instruct the user to try opening another window, and moving it over, and away again to see what happens. It may be that some error message is indeed showing behind the main program. Will see how this goes. Tim - thanks for your posing on the ping issue. I have turned Ping off in my application for the time being (and also can't upgrade to the latest version at present because of the Access Voilation issues). I've hit a dead end trying to figure this out at the moment, and presently have resolved to remain with Build 4.24. If I have ping turned off - is it still possible that this issue could cause lockups on C/S, or is it only when ping is turned on? Iztok - thanks for the advise with Eurekalog. I may give this a shot too. As previously mentioned - it is my current belief that their may be more than just one issue here, so I'm trying to explore all avenues at once to see if we can get the problem fixed, and then turn on each feature one by one again, until we find the cause(s). Thanks again for all your input! Best Regards Adam |
Sun, Aug 26 2007 9:50 PM | Permanent Link |
"Adam H." | Hi All,
As a further update, it would appear as though the freeze is a complete freeze. (The window will not repaint if another program is loaded over the top, etc). I'll keep trying as per previous message, and let you know. If anyone thinks of any other possibilities - please feel free to fire away. Best Regards Adam. |
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