We did not spend more time on solving the problem as it occured very rarely. Since we updated our CEF component some weeks ago, however, we receive some bugreports per day. In order to find the problem we have recently enabled CEF logging (so far only down to INFO loglevel). I post some information for you. Maybe we can make a remote maintenance with one of the affected customers and set loglevel to verbose if you need more information.
We did not explicitely enable GPU and it is false by default as far as I saw. The application runs on the local hard drive. The error occured 30 seconds after starting the application. We are using two webbrowsers on our main form. Both webbrowsers should display HTML files stored locally on the customers hard drive. At the time the error occured, one webbrowser has already shown the expected content. The other webbrowser did not show anything.
libcef.dll version: 100.0.14.0
Error-Message and Callstack:
Code: Select all
A breakpoint has been reached.
Code: 80000003 (EXCEPTION_BREAKPOINT)
Address: (0631A3F9){libcef.dll } [667AA3F9] libcef.RelaunchChromeBrowserWithNewCommandLineIfNeeded + $52AD49.
[667AA3F9] libcef.RelaunchChromeBrowserWithNewCommandLineIfNeeded
[7778BF1A] ntdll.RtlWow64GetProcessMachines [7778BDA7] ntdll.RtlQueryPerformanceCounter [7778BE56] ntdll.RtlQueryPerformanceCounter [7778BDA7] ntdll.RtlQueryPerformanceCounter [7778BE56] ntdll.RtlQueryPerformanceCounter [7589FA27] KERNEL32.BaseThreadInitThunk
Log-File (loglevel INFO):
[0928/164802.499:INFO:CEF4Delphi(1)] PID: 13376, TID: 13964, PT: Renderer - Called OnWebKitInitialized from SubProcess
[0928/164802.499:INFO:CEF4Delphi(1)] PID: 10772, TID: 8868, PT: Renderer - Called OnWebKitInitialized from SubProcess
[0928/164802.499:INFO:CEF4Delphi(1)] PID: 2804, TID: 2356, PT: Renderer - Called OnWebKitInitialized from SubProcess
[0928/164802.500:INFO:CEF4Delphi(1)] PID: 10772, TID: 8868, PT: Renderer - Registered CEF extension with name "uc_extension"
[0928/164802.500:INFO:CEF4Delphi(1)] PID: 13376, TID: 13964, PT: Renderer - Registered CEF extension with name "uc_extension"
[0928/164802.500:INFO:CEF4Delphi(1)] PID: 2804, TID: 2356, PT: Renderer - Registered CEF extension with name "uc_extension"
[0928/164804.945:INFO:CONSOLE(84)] "Uncaught TypeError: Cannot read properties of null (reading 'addEventListener')", source: file:///C:/Program%20Files%20(x86)/Client/Resources/Html/Pim/Startpage/Content/web/images/main.js (84)
[0928/164830.017:INFO:CEF4Delphi(1)] PID: 532, TID: 15700, PT: Renderer - Called OnWebKitInitialized from SubProcess
[0928/164830.017:INFO:CEF4Delphi(1)] PID: 532, TID: 15700, PT: Renderer - Registered CEF extension with name "uc_extension"
[0928/165221.012:INFO:CEF4Delphi(1)] PID: 12644, TID: 12648, PT: Renderer - Called OnWebKitInitialized from SubProcess
[0928/165221.012:INFO:CEF4Delphi(1)] PID: 12644, TID: 12648, PT: Renderer - Registered CEF extension with name "uc_extension"
[0928/165221.018:INFO:CEF4Delphi(1)] PID: 12636, TID: 12640, PT: Renderer - Called OnWebKitInitialized from SubProcess
[0928/165221.018:INFO:CEF4Delphi(1)] PID: 12636, TID: 12640, PT: Renderer - Registered CEF extension with name "uc_extension"
[0928/165221.064:INFO:CEF4Delphi(1)] PID: 12772, TID: 12776, PT: Renderer - Called OnWebKitInitialized from SubProcess
[0928/165221.064:INFO:CEF4Delphi(1)] PID: 12772, TID: 12776, PT: Renderer - Registered CEF extension with name "uc_extension"
[0928/165225.141:ERROR:frame_impl.cc(514)] Connection timeout for frame 17179869185 [4,1]
[0928/165225.394:ERROR:frame_impl.cc(514)] Connection timeout for frame 21474836481 [5,1]
[0928/165226.143:INFO:frame_impl.cc(474)] Connection retry 1/3 for frame 17179869185 [4,1]
[0928/165226.397:INFO:frame_impl.cc(474)] Connection retry 1/3 for frame 21474836481 [5,1]
[0928/165230.154:ERROR:frame_impl.cc(514)] Connection timeout for frame 17179869185 [4,1]
[0928/165230.409:ERROR:frame_impl.cc(514)] Connection timeout for frame 21474836481 [5,1]
[0928/165231.160:INFO:frame_impl.cc(474)] Connection retry 2/3 for frame 17179869185 [4,1]
[0928/165231.416:INFO:frame_impl.cc(474)] Connection retry 2/3 for frame 21474836481 [5,1]
[0928/165235.175:ERROR:frame_impl.cc(514)] Connection timeout for frame 17179869185 [4,1]
[0928/165235.424:ERROR:frame_impl.cc(514)] Connection timeout for frame 21474836481 [5,1]
[0928/165236.188:INFO:frame_impl.cc(474)] Connection retry 3/3 for frame 17179869185 [4,1]
[0928/165236.438:INFO:frame_impl.cc(474)] Connection retry 3/3 for frame 21474836481 [5,1]
[0928/165240.195:ERROR:frame_impl.cc(514)] Connection timeout for frame 17179869185 [4,1]
[0928/165240.195:FATAL:frame_impl.cc(547)] Connection retry failure for frame 17179869185 [4,1]
[0928/165240.446:ERROR:frame_impl.cc(514)] Connection timeout for frame 21474836481 [5,1]
[0928/165240.446:FATAL:frame_impl.cc(547)] Connection retry failure for frame 21474836481 [5,1]
[0928/165245.009:ERROR:interface_endpoint_client.cc(659)] Message 3 rejected by interface blink.mojom.Widget
[0928/165245.009:ERROR:interface_endpoint_client.cc(659)] Message 6 rejected by interface blink.mojom.WidgetHost
[0928/165245.009:ERROR:interface_endpoint_client.cc(659)] Message 7 rejected by interface blink.mojom.WidgetHost
[0928/165245.012:ERROR:interface_endpoint_client.cc(659)] Message 1204442840 rejected by interface blink.mojom.FrameWidgetHost
[0928/165245.016:ERROR:interface_endpoint_client.cc(659)] Message 3 rejected by interface blink.mojom.Widget
[0928/165245.016:ERROR:interface_endpoint_client.cc(659)] Message 6 rejected by interface blink.mojom.WidgetHost
[0928/165245.016:ERROR:interface_endpoint_client.cc(659)] Message 7 rejected by interface blink.mojom.WidgetHost
[0928/165245.021:ERROR:interface_endpoint_client.cc(659)] Message 1204442840 rejected by interface blink.mojom.FrameWidgetHost
[0928/165245.085:INFO:CEF4Delphi(1)] PID: 14172, TID: 13000, PT: Renderer - Called OnWebKitInitialized from SubProcess
[0928/165245.085:INFO:CEF4Delphi(1)] PID: 14172, TID: 13000, PT: Renderer - Registered CEF extension with name "uc_extension"
[0928/165552.986:INFO:CEF4Delphi(1)] PID: 12300, TID: 12304, PT: Renderer - Called OnWebKitInitialized from SubProcess
[0928/165552.987:INFO:CEF4Delphi(1)] PID: 12300, TID: 12304, PT: Renderer - Registered CEF extension with name "uc_extension"
[0928/165552.999:INFO:CEF4Delphi(1)] PID: 12292, TID: 12296, PT: Renderer - Called OnWebKitInitialized from SubProcess
[0928/165552.999:INFO:CEF4Delphi(1)] PID: 12292, TID: 12296, PT: Renderer - Registered CEF extension with name "uc_extension"
[0928/165553.035:INFO:CEF4Delphi(1)] PID: 12368, TID: 12372, PT: Renderer - Called OnWebKitInitialized from SubProcess
[0928/165553.035:INFO:CEF4Delphi(1)] PID: 12368, TID: 12372, PT: Renderer - Registered CEF extension with name "uc_extension"
[0928/165557.000:ERROR:frame_impl.cc(514)] Connection timeout for frame 17179869185 [4,1]
[0928/165557.336:ERROR:frame_impl.cc(514)] Connection timeout for frame 21474836481 [5,1]
[0928/165558.006:INFO:frame_impl.cc(474)] Connection retry 1/3 for frame 17179869185 [4,1]
[0928/165558.340:INFO:frame_impl.cc(474)] Connection retry 1/3 for frame 21474836481 [5,1]
[0928/165602.008:ERROR:frame_impl.cc(514)] Connection timeout for frame 17179869185 [4,1]
[0928/165602.343:ERROR:frame_impl.cc(514)] Connection timeout for frame 21474836481 [5,1]
[0928/165603.012:INFO:frame_impl.cc(474)] Connection retry 2/3 for frame 17179869185 [4,1]
[0928/165603.348:INFO:frame_impl.cc(474)] Connection retry 2/3 for frame 21474836481 [5,1]
[0928/165607.016:ERROR:frame_impl.cc(514)] Connection timeout for frame 17179869185 [4,1]
[0928/165607.352:ERROR:frame_impl.cc(514)] Connection timeout for frame 21474836481 [5,1]
[0928/165608.024:INFO:frame_impl.cc(474)] Connection retry 3/3 for frame 17179869185 [4,1]
[0928/165608.359:INFO:frame_impl.cc(474)] Connection retry 3/3 for frame 21474836481 [5,1]
[0928/165612.035:ERROR:frame_impl.cc(514)] Connection timeout for frame 17179869185 [4,1]
[0928/165612.035:FATAL:frame_impl.cc(547)] Connection retry failure for frame 17179869185 [4,1]
[0928/165612.371:ERROR:frame_impl.cc(514)] Connection timeout for frame 21474836481 [5,1]
[0928/165612.371:FATAL:frame_impl.cc(547)] Connection retry failure for frame 21474836481 [5,1]
[0928/165618.212:ERROR:interface_endpoint_client.cc(659)] Message 3 rejected by interface blink.mojom.Widget
[0928/165618.225:ERROR:interface_endpoint_client.cc(659)] Message 1204442840 rejected by interface blink.mojom.FrameWidgetHost
[0928/165618.227:ERROR:interface_endpoint_client.cc(659)] Message 6 rejected by interface blink.mojom.WidgetHost
[0928/165618.227:ERROR:interface_endpoint_client.cc(659)] Message 7 rejected by interface blink.mojom.WidgetHost
[0928/165618.228:ERROR:interface_endpoint_client.cc(659)] Message 3 rejected by interface blink.mojom.Widget
[0928/165618.228:ERROR:interface_endpoint_client.cc(659)] Message 6 rejected by interface blink.mojom.WidgetHost
[0928/165618.228:ERROR:interface_endpoint_client.cc(659)] Message 7 rejected by interface blink.mojom.WidgetHost
[0928/165618.232:ERROR:interface_endpoint_client.cc(659)] Message 1204442840 rejected by interface blink.mojom.FrameWidgetHost
[0928/165618.301:INFO:CEF4Delphi(1)] PID: 9820, TID: 9824, PT: Renderer - Called OnWebKitInitialized from SubProcess
[0928/165618.301:INFO:CEF4Delphi(1)] PID: 9820, TID: 9824, PT: Renderer - Registered CEF extension with name "uc_extension"
Do you have an idea what is going on here? Do you require any further information?