Welcome › Forums › General PowerShell Q&A › Invoke-webrequest
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July 7, 2017 at 12:20 pm #74444
Hello,
I'm trying to create a script that gets weather information from a website. When I run this, it's giving me this error. I'm not sure what I'm doing wrong.
This is the video I'm referencing https://www.youtube.com/watch?v=VmHDiXQTs1s
if I add "/" in $check so that it is
$check = Invoke-WebRequest ("http://aviationweather.gov/adds/" + $urlForms.Action) -WebSession $weather -Method Post -Body $urlForms.Fields
it gives no error messages, but it doesn't give me any weather information.
Invoke-WebRequest : The remote server returned an error: (404) Not Found.
At U:\PowerShell\CheckWeather.ps1:12 char:14
+ ... $check = Invoke-WebRequest ("http://aviationweather.gov/adds" + $u ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (System.Net.HttpWebRequest:HttpWebRequest) [Invoke-WebRequest], WebException
+ FullyQualifiedErrorId : WebCmdletWebResponseException,Microsoft.PowerShell.Commands.InvokeWebRequestCommandThis is my script so far.
$url = Invoke-WebRequest "http://aviationweather.gov/adds" -SessionVariable weather if($url.StatusCode -eq 200) { Write-Host "Connected to Aviation Weather Center" -ForegroundColor Green $zipcode = Read-Host "Enter the zip code or city" $urlForms = $URL.Forms[0] $urlForms.fields["autocomplete"] = $zipcode $check = Invoke-WebRequest ("http://aviationweather.gov/adds" + $urlForms.Action) -WebSession $weather -Method Post -Body $urlForms.Fields } else { Write-Host "Could not connect to Aviation Weather Center" -ForegroundColor Red }
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July 7, 2017 at 1:05 pm #74446
Hey there Tony,
Going through the code line by line, it errored out here:
PS C:\windows\system32> Invoke-WebRequest ("http://aviationweather.gov/adds" + $urlForms.Action)
Invoke-WebRequest : The remote server returned an error: (404) Not Found.
At line:1 char:1
+ Invoke-WebRequest ("http://aviationweather.gov/adds" + $urlForms.Acti ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (System.Net.HttpWebRequest:HttpWebRequest) [Invoke-WebRequest], WebException
+ FullyQualifiedErrorId : WebCmdletWebResponseException,Microsoft.PowerShell.Commands.InvokeWebRequestCommandThis is the URL you're looking at:
PS C:\windows\system32> ("http://aviationweather.gov/adds" + $urlForms.Action)
http://aviationweather.gov/adds/popups/location/searchWhen I hit that in the browser, it comes back with a page not found.
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July 7, 2017 at 1:24 pm #74453
And the top of the page says...
"Effective Thursday, June 30, 2016 ... Java applet-based webpages at https://www.aviationweather.gov/adds will no longer be publicly accessible."
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July 7, 2017 at 1:28 pm #74458
Thanks guys, I'll dig around for a solution. May be I'm not telling it to submit the zipcode
$urlForms.Action /popups/location/search
I can see that it's reading my $zipcode value
$urlForms.Fields Key Value --- ----- autocomplete 90210 btnSearch Go
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