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Hmmm,
Marc Clifton wrote: Googled, added IIS AppPool\[my application pool] as a user to c:\windows\temp.
AND IT WORKED.
Are you sure that allowing your application pool to use global %TEMP% is a good idea? Everybody can read/write to that location. It's probably more secure if your application pool uses the %USERPROFILE% temp path.
I'm not an IIS expert but I think a better fix would be loading the user profile[^] for the application pool identity. You should dig around for a setting to enable that. This setting will populate your environment variables and should change your temp folder to the %USERPROFILE% temp.
Just a security recommendation. 
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Agreed - the main point being, the absurd journey it took to discover that this was all the result of not being able to access the temp folder that .NET (or something?) was trying to use to buffer the files being uploaded.
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I've had something similar before with something going wrong on the API, but the browser showing it as a CORS error. There's a whole flow that happens and I assume that the initial CORS request fails due to whatever is wrong in the background and the browser then just shows that CORS failed.
On a ASP.Net project I had to put a if statement in for handling CORS Options requests from Angular because it was calling the method like it would have with a normal request. Maybe just a weird setup in my case. With .Net Core I don't think the options request activates the breakpoints, although it looks like you can with some middleware: https://www.codeproject.com/Questions/5162494/Currently-I-am-working-on-angular-and-web-API-NET
Complete Guide to CORS
modified 1-Jul-22 8:17am.
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Fantastic & interesting post & great detective skills. 
Marc Clifton wrote: Googled, added IIS AppPool\[my application pool] as a user to c:\windows\temp.
I'm filing this one away in my brain for later use.
That is a crazy situation but I totally believe it because of horrors I've seen with similar & IIS & CORS etc.
BTW, was this change needed only on your dev box or did you have to make that change on the Server also?
This is just crazy to me. Can you post the link where you found that solution? Very interesting and quite terrible.
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raddevus wrote: was this change needed only on your dev box or did you have to make that change on the Server also?
I've never had to make this change anywhere, whether my local devbox, our development server setup, our live servers. It occurred on an obscure server used only as a repository of uploaded files, and it had never seen a .NET application before.
I ended up install VS2022 on it to debug the situation, to some extent I'm glad the VS2022 setup didn't magically "fix" the problem.
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One other piece of configuration you need to do: Configure Storage Spaces to run automatically and scrub the temp folder structure after 30 days. IIS is atrocious when it comes to cleaning up after itself.
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Looking at the source[^], it seems you can control the directory it uses by setting the ASPNETCORE_TEMP environment variable.
(I found that last week trying to get a .NET 6 API endpoint to accept file uploads with no filename on the Content-Disposition header, to make it match the existing .NET Framework Web API endpoint. Which turned out to be a massive PITA.)
It's probably worth reporting the misleading error in the GitHub repo:
Issues · dotnet/aspnetcore · GitHub[^]
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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I'm on a 5 year plan to move to Canada, which hubby and I will do assuming things continue to go south here in the states. Living in Canada will be like moving from the meth lab to the apartment above the meth lab, but at least we'll be able to breathe. Learning Canadian English should be fun. I imagine there are lots of synonyms for hockey.
Do you think getting this tattoo somewhere visible will help streamline the admission process?[^]
To err is human. Fortune favors the monsters.
modified 1-Jul-22 5:14am.
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Only if it's a matching pair, and on the genitalia ...
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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I doubt if the genitalia are generally visible!
Never underestimate the power of human stupidity -
RAH
I'm old. I know stuff - JSOP
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I think that claiming that you are a persecuted minority refugee from a third world country would help more. 
Given the way many Canadians view the US, this may actually work. 
Freedom is the freedom to say that two plus two make four. If that is granted, all else follows.
-- 6079 Smith W.
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We don't think Americans are being persecuted; we're afraid of them.
"Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I
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Please note:
- I never said that Americans are persecuted minorities.
- I never even said that codewitch is part of a persecuted minority.
- I said that given the way many Canadians think of the US, making the claim might be of use.
Freedom is the freedom to say that two plus two make four. If that is granted, all else follows.
-- 6079 Smith W.
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In my youth, I spend one year in a US family / High School.
During that year, one question was repeatedly raised: If you could, wouldn't you move to the US of A? What?? You would not?? But ... Why not? Can there be any viable reason for not wanting to become an American, if you could? You must be completely crazy, out of your mind!
When I returned home, I said (to a lot of people): I sure would like to se the US again, but let's give it ten years, to see how it develops! After ten years were gone, and USA had just been through reganism, I said: Well, let's give it another ten years, to see how it stabilizes! Right now I do not remember how USA looked after those ten years have passed, but going to the US was out of the question.
And later? Well ... I still have a slight urge to travel the country. As a tourist. Peeking at it from the outside. But after I left it in in my youth, I have never felt any urge to settle there. I do see some positive elements in US culture - unfortunately, the US has not been very good at exporting those. And it would be a lie to claim that those elements I appreciate have been strengthening their position in the years since my visit in my youth.
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"... positive elements in US culture ..."
May I please inquire to which you refer?
I see you are from Norway. Aren't the Scandanavian countries supposed to be among the happiest?
As for not wishing to live here in USA that seems easy to understand as USA is one of the most violent countries. Further I always believed Americans are stupid. Recent events do not prove me wrong. However I have little knowledge of other countries except to have observed in Canada people politely waited in line for public bus transport upon a visit there many years ago, something unheard of during my life growing up in Chicago, sadly now one of the most violent cities in USA, though a day did not pass I did not hear a gun shot in a former neighborhood of residence many years ago.
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I frequently point out that Americans manage to tolerate people who are undisputable different from themselves. My American host family mother (often) expressed it as "Oh, well, it takes all kinds to make a world ...". Norwegian 'tolerance' is not done by accepting that others do things differently, but themselves having expanded their activities, tastes or whatever. "We have tolerated garlic for years - we use it a lot!" - until we started using garlic in our cooking, Norwegians were bitching all the time about that terrible garlic smell of immigrants. Black Metal was just terrible noise until some Norwegian bands made great success. And so on. We are condemning anything that is different, until we start doing it ourselves. This is most certainly not to say that 'tolerance' is perfect in the US, but that element that says "It takes all kinds to make a world" I wish we would see more of here in Norway.
You can say that Norway (and many other European countries) have social structures that takes far better care of people who need support, whether being unemployed, pregnant, sick or old. That definitely holds true. But it has taken away a significant part of the empathy, the social responsibility and concern for neighbors, friends and relatives. If they run into problems, we hope that the authorities will come to help (and they will). But the very American idea of 'fundraising', while deeply rooted in the average American, really doesn't echo very well in Norwegians. You just don't go and knock on your neighbors door to check if he is OK. You don't share your surplus with your relatives. You are not responsible for others in that way. Of course Americans may be very selective in who they want to support, but strange as it may sound: Sharing, in some forms, is much more important in the US than in socialist Norway!
(Remark: My one year stay with an American family was in a small rural village, where half of the entire population knows who you are, whoever you are. Of course huge cities are different - but I often recognize the concern for your neighbors within your local district.)
You can say that it is very easy to make friends with Americans - but difficult to make deep friends, that everything is on the surface. Yet ... Making deep friends with Norwegians generally takes years. In comparison, we are very unwilling to trust almost anyone. OK, I will never fully trust anyone I met for the first time yesterday, but we definitely could learn a little from the typical American about getting out of our shells and open up at least a little bit!
I could add a few more points, but this post is big enough. I could also point out a lot of American ways I dislike, but in the spirit of "It takes all kinds to make a world", I guess I should accept it without complaining.
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I've never gotten a tattoo, because there wasn't anything I wanted to say that I thought I would never, ever change my mind about.
I have to admit that tattoo would definitely make a statement.
Software Zen: delete this;
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Sounding more and more like the hippies of my gen. That's cool.
Canada is somewhat like USA in that there are big delta's in weather and culture from west to east (not so much north and south).
We have spent a good deal of time in far west, mid west and Quebec area. All good.
Never been to the biggies, Toronto and Montreal, so my judgement is pretty provincial.
If own a car, be prepared for another delta.
"A little time, a little trouble, your better day"
Badfinger
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I remember a time when I was in my 20's after Vietnam
I never embraced the hippy culture but always liked the idea we were all on this planet together
How about we treat each other as neighbors
After realizing the real world did not work that way I moved on
This last month I spent some time in the Hospital for medical not mental reasons and people kept testing
my cognitive function by asking me where I lived after 5 times of this mundane question
I decided on a new answer "EARTH"
So My Suggestion perhaps a tattoo of the Planet Earth with caption "Country of Origin EARTH"
Just a thought
I would like to add that CP embodies the idea we are all part of the EARTH YES I like it here
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To ask about a search (7)
// TODO: Insert something here Top ten reasons why I'm lazy
1.
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Nice one!
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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My word but it's quiet today ... I'd better take it ...
To ask
about RE
a search QUEST REQUEST
Nice clue!
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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Thank you.
Quote: My word but it's quiet today
Too right.
And; spot on, you are up on Monday.
// TODO: Insert something here Top ten reasons why I'm lazy
1.
modified 1-Jul-22 6:31am.
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Monday will be even quieter, it's "All American Get Drunk And Shoot Up The Neighborhood* Day"
* Maybe bullets, maybe fireworks, probably both - depends on where in the US you are.
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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