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Rank: Newbie
Groups: Member
Joined: 7/20/2015
Posts: 2
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A certificate error occured.
I wrote a program with EOWebBrowser, and a message "A certificate error occured, please Handle CertificateError event" shows when current webview has flashplayers.
How to resolve this problem? To override the CertificateError event or other way?
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Rank: Administration
Groups: Administration
Joined: 5/27/2007
Posts: 24,217
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Hi, The message is already very clear --- you need to handle the WebView's CertificateError event. See here for more information about this event: http://www.essentialobjects.com/doc/eo.webbrowser.webview.certificateerror.aspxThanks!
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Rank: Newbie
Groups: Member
Joined: 7/20/2015
Posts: 2
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so.... i can't play flash in the webView page?
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Rank: Administration
Groups: Administration
Joined: 5/27/2007
Posts: 24,217
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Hi, You may want to ask someone around you to explain things to you a bit because: 1. CertificateError has no direct relationship with Flash; 2. The above link have already clearly told you what to do in case of a certificate error but you do not seem to have any idea what it is about. You need to have the ability to understand basic code and documentation in order to use our product. You can find more information about using Flash here: http://www.essentialobjects.com/doc/webbrowser/advanced/plugin.aspxThanks
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Rank: Member
Groups: Member
Joined: 1/16/2016
Posts: 16
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Solution is easy:
You just say "e.Continue":
(VB.NET code)
Private Sub MyWebView_CertificateError(sender As Object, e As CertificateErrorEventArgs) Handles MyWebView.CertificateError
e.Continue()
End Sub
This will simply make the error message go away, but you should of course investigate why you get this error.
But this error doesn't have anything to do with this product, even Firefox and Chrome will receive this error. These browser handle this error in some form as well.
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Rank: Newbie
Groups: Member
Joined: 8/8/2017
Posts: 7
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There seems to be somekind of certificate error problem in the v17 that does not occur at least in the v16.2.93.0
For example if you login to the secure Atlassian Jira dashboard web page, the WebView start to throw following certificate error.
ErrorCode: -214
ResourceType: StyleSheet
Url: "https://d2vj1jlnoa5x8o.cloudfront.net/.atlassian.net/s/d41d8cd98f00b204e9800998ecf8427e-CDN/jfcb7b/b/c/f6df4375b0285607fb48b19c0affddeb/_/download/contextbatch/css/_super/batch.css?relative-url=true"
Which is kind of weird because EO.WebBrowser.ErrorCode enum does not have -214 as listed ErrorCode.
This problem can be replicated with the TabbedBrowser sample application also.
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Rank: Administration
Groups: Administration
Joined: 5/27/2007
Posts: 24,217
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Hi Juda,
This is a know issue in the version of Chromium browser engine we use related to certificate transparency. The issue has already been fixed by Chromium team and we will apply the fix in our next build. In the mean time, you can handle CertificateError event as tmigh has suggested in the previous post.
Thanks!
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Rank: Administration
Groups: Administration
Joined: 5/27/2007
Posts: 24,217
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Hi,
This is just to let you know that we have posted a new build that should resolve this issue. You can download the new build from our download page. Please take a look and let us know how it goes.
Thanks!
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Rank: Newbie
Groups: Member
Joined: 8/8/2017
Posts: 7
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Hi,
Looks like the v17.2.43 solves these certificate error problems.
Thanks.
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Rank: Administration
Groups: Administration
Joined: 5/27/2007
Posts: 24,217
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Glad to hear that. Thanks for confirming the fix!
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Rank: Newbie
Groups: Member
Joined: 4/5/2022
Posts: 9
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Hi
I launched TabbedBrowser, there I typed the address of the site I needed and received a certificate error message. Although it's worth skipping the error in the code...
I can send you the site address in a private message.
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Rank: Administration
Groups: Administration
Joined: 5/27/2007
Posts: 24,217
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rentgen wrote:Hi
I launched TabbedBrowser, there I typed the address of the site I needed and received a certificate error message. Although it's worth skipping the error in the code...
I can send you the site address in a private message. Yes. You can send the Url and we will take a look.
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Rank: Newbie
Groups: Member
Joined: 4/5/2022
Posts: 9
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eo_support wrote:
Yes. You can send the Url and we will take a look.
send. Any news?
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Rank: Administration
Groups: Administration
Joined: 5/27/2007
Posts: 24,217
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We have replied your private message.
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