Rendering issue with CEFSharp Browser control - Shows cached page randomly

[dongawli]

I am using the CEF Sharp library in my WPF project since long time (v1.25.7). On one of the client machine, I am facing issue that CEFSharp browser shows the random page in between continuously. Please see the video for same - https://hub.mangoapps.com/sf/NzMwNzlfMTE2OTA0MA.

This is happening only on one machine. Once application exit and relaunched, its work perfectly. I've checked and added debug logs as well to check whether page is getting load or not. But no load, PropertyChanged method get called continuously.

Thank you!!!

[amaitland]

How do I investigate my issue further?

It's important to remember that CefSharp is just a wrapper around the Chromium Embedded Project (CEF), the upstream CEF forum is a valuable resource. Also CEF has it's own Issue Tracker. Please take the time to research your own problem, including Googling, searching on ceforum, etc.

Finding more info

• Have you checked the Debug.log file? (Should be located in your apps executing folder by default)
• Have you googled the error message your seeing? (Don't just google the whole thing, try googling just the keywords and possibly add chromium as a keyword).
• Are you able to reproduce the problem using cefclient? (cefclient is the reference implementation provided by CEF)
• Need more help debugging? Check the Troubleshooting Guide
• Are you using the latest version? Check the Release Branches table to determine if the version your using is supported.

How do I download cefclient?

• Firstly identity which version of CEF your actually using, easiest way is to check your packages.config file, look for the cef.redist.x86 package, it's version will be something like 3.2526.1362, that's the exact version of CEF you'll need to download for comparison. You can also open chrome://version in the browser to determine the version.
• Open http://opensource.spotify.com/cefbuilds/index.html (http://cefbuilds.com for older version) in a web browser
• Locate the exact Branch you require, for the example above the branch is 2526, all the versions follow a similar pattern
• Locate the Windows 32bit or Windows 64bit item, if you don't see the exact version, then click more revisions
• Download Test App
• Are you using WPF/Offscreen or WinForms?

This next part is key

• To compare with WPF/OffScreen run cefclient --multi-threaded-message-loop --off-screen-rendering-enabled
• To compare with WinForms cefclient --multi-threaded-message-loop

[amaitland]

I am using the CEF Sharp library in my WPF project since long time (v1.25.7).

@dongawli That version hasn't been supported in years. Latest supported version is 51.0.0. If you can reproduce the problem you'll need to report it to the CEF project.