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0 answers
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Hi,

In order to copy the Fiddler version details from the About dialog, I got the following stack trace output in the console:

Stacktrace:
 
  at <unknown> <0xffffffff>
  at (wrapper managed-to-native) System.Windows.Forms.X11Keyboard.Xutf8LookupString (intptr,System.Windows.Forms.XEvent&,byte[],int,intptr&,System.Windows.Forms.XLookupStatus&) <0x000a4>
  at System.Windows.Forms.X11Keyboard.LookupString (System.Windows.Forms.XEvent&,int,System.Windows.Forms.XKeySym&,System.Windows.Forms.XLookupStatus&) <0x000c3>
  at System.Windows.Forms.X11Keyboard.EventToVkey (System.Windows.Forms.XEvent) <0x0003f>
  at System.Windows.Forms.X11Keyboard.ToUnicode (int,int,string&) <0x0035f>
  at System.Windows.Forms.X11Keyboard.TranslateMessage (System.Windows.Forms.MSG&) <0x00127>
  at System.Windows.Forms.XplatUIX11.TranslateMessage (System.Windows.Forms.MSG&) <0x00023>
  at System.Windows.Forms.XplatUI.TranslateMessage (System.Windows.Forms.MSG&) <0x0001f>
  at System.Windows.Forms.Application.RunLoop (bool,System.Windows.Forms.ApplicationContext) <0x00ce7>
  at System.Windows.Forms.Form.ShowDialog (System.Windows.Forms.IWin32Window) <0x00897>
  at (wrapper remoting-invoke-with-check) System.Windows.Forms.Form.ShowDialog (System.Windows.Forms.IWin32Window) <0x00067>
  at Fiddler.frmAbout.DoAboutBox () <0x001b7>
  at Fiddler.frmViewer.miHelpAbout_Click (object,System.EventArgs) <0x0002b>
  at System.Windows.Forms.MenuItem.OnClick (System.EventArgs) <0x00065>
  at System.Windows.Forms.MenuItem.PerformClick () <0x0001e>
  at (wrapper remoting-invoke-with-check) System.Windows.Forms.MenuItem.PerformClick () <0x00053>
  at System.Windows.Forms.MenuTracker.OnMouseUp (System.Windows.Forms.MouseEventArgs) <0x002af>
  at System.Windows.Forms.Control.ProcessActiveTracker (System.Windows.Forms.Message&) <0x0016f>
  at System.Windows.Forms.Control.WmLButtonUp (System.Windows.Forms.Message&) <0x0004b>
  at System.Windows.Forms.Control.WndProc (System.Windows.Forms.Message&) <0x00217>
  at System.Windows.Forms.ScrollableControl.WndProc (System.Windows.Forms.Message&) <0x00013>
  at System.Windows.Forms.ContainerControl.WndProc (System.Windows.Forms.Message&) <0x0005b>
  at System.Windows.Forms.Form.WndProc (System.Windows.Forms.Message&) <0x00257>
  at System.Windows.Forms.Control/ControlWindowTarget.OnMessage (System.Windows.Forms.Message&) <0x00024>
  at System.Windows.Forms.Control/ControlNativeWindow.WndProc (System.Windows.Forms.Message&) <0x00036>
  at System.Windows.Forms.NativeWindow.WndProc (intptr,System.Windows.Forms.Msg,intptr,intptr) <0x00374>
  at System.Windows.Forms.XplatUIX11.DispatchMessage (System.Windows.Forms.MSG&) <0x0001f>
  at System.Windows.Forms.XplatUI.DispatchMessage (System.Windows.Forms.MSG&) <0x0001f>
  at System.Windows.Forms.Application.RunLoop (bool,System.Windows.Forms.ApplicationContext) <0x00cf3>
  at System.Windows.Forms.Application.Run (System.Windows.Forms.ApplicationContext) <0x00057>
  at System.Windows.Forms.Application.Run (System.Windows.Forms.Form) <0x00033>
  at Fiddler.frmViewer.RunMain (string[]) <0x005bb>
  at Fiddler.frmViewer.Main (string[]) <0x00083>
  at (wrapper runtime-invoke) <Module>.runtime_invoke_void_object (object,intptr,intptr,intptr) <0x000c8>
 
Native stacktrace:
 
    mono() [0x4accca]
    mono() [0x5040fe]
    mono() [0x4275d7]
    /lib/x86_64-linux-gnu/libpthread.so.0(+0x11390) [0x7fface105390]
    /lib/x86_64-linux-gnu/libc.so.6(strlen+0x26) [0x7ffacdb9fb96]
    /usr/lib/x86_64-linux-gnu/libX11.so.6(_XimLocalUtf8LookupString+0xe7) [0x7ffac9ff2917]
    [0x410ba695]
 
Debug info from gdb:
 
Could not attach to process.  If your uid matches the uid of the target
process, check the setting of /proc/sys/kernel/yama/ptrace_scope, or try
again as the root user.  For more details, see /etc/sysctl.d/10-ptrace.conf
ptrace: Operation not permitted.
No threads.

 

Eventually, this might be a Mono related problem. I'm running on Ubuntu 16.04 with latest Xamarin Mono packages:

$ mono -V
Mono JIT compiler version 4.6.2 (Stable 4.6.2.16/ac9e222 Tue Jan  3 11:48:26 UTC 2017)
Copyright (C) 2002-2014 Novell, Inc, Xamarin Inc and Contributors. www.mono-project.com
    TLS:           __thread
    SIGSEGV:       altstack
    Notifications: epoll
    Architecture:  amd64
    Disabled:      none
    Misc:          softdebug
    LLVM:          supported, not enabled.
    GC:            sgen

 

Kind regards, JoKi
JoKi
Top achievements
Rank 2
 asked on 05 Feb 2017
0 answers
183 views

Hi,

The current About dialog provides a scrollable area for version and system information. By increasing the height by ~20px this could be avoided.

Please see attached screenshot. Thanks.

 

Regards, JoKi

JoKi
Top achievements
Rank 2
 asked on 05 Feb 2017
6 answers
534 views

Fiddler downloaded an update this morning when i launched it, now it crashes out as soon as the application starts.

Once I open the application, the GUI briefly displays, and I'm hit with the normal windows 'Fiddler has stopped working' dialogue. Tried to uninstall / reinstall the application with no success.

Any suggestions?

 

For reference:

Fiddler.exe - 4.6.20171.7553

Windows 10 + .net 4.6.01586

 

Ruaidhri
Top achievements
Rank 1
 answered on 05 Feb 2017
1 answer
1.8K+ views

I have fiddler 4.6.x latest, chrome 56 and windows 7 64 bit. I cannot make chrome accept the fiddler root certificate. I posted this issue on stack overflow with the same title. Please search it there and respond on SO or over here. I cannot post the same thing here because of your buggy spam filters. Thank you.

PS - I am on the fence about buying charles proxy. The answers to this post might help me come back to fiddler.

 

Joe
Top achievements
Rank 1
 answered on 31 Jan 2017
1 answer
712 views

Can automatically authenticate option  be enabled or disabled via command line on windows?

I know it can be done via GUI, but is there any way, that option can be modified using any command line, or registry entry or file modifications?

Tsviatko Yovtchev
Telerik team
 answered on 30 Jan 2017
1 answer
148 views

First of all I'll say that I've investigated it deeply.

I used to have fiddler  4 , earlier versions and never updated.

When my computer turned to sleep , I was able to wake it by trying to rdp it.

The connection itself to rdp - woke the computer ( via network card) and the computer awoke ,and then I could connect to it.

this feature is called "wake on link".

After installing fiddler ( latest version) , suddenly my computer won't wake up from sleep when trying to connect to pc.

at first I didn't know what whet wrong and then I started uninstalling latest installed programs

When I uninstalled fiddler , it started waking  the computer

So I don't know what's you've done in the last version , but it f*s some other functionalities.

please fix it.

 

 

 

 

Tsviatko Yovtchev
Telerik team
 answered on 30 Jan 2017
7 answers
366 views
---------------------------
Awww, Fiddlesticks!
---------------------------
Fiddler has encountered an unexpected problem. If you believe this is a bug in Fiddler, please copy this message by hitting CTRL+C, and submit a bug report at http://www.telerik.com/forums/fiddler.

Value of 'null' is not valid for 'stream'.

Type: System.ArgumentException
Source: System.Drawing
   at System.Drawing.Image.FromStream(Stream stream, Boolean useEmbeddedColorManagement, Boolean validateImageData)

   at Fiddler.frmPrompt.GetUserString(IWin32Window wndOwner, String sTitle, String sPrompt, String sDefault, Boolean bReturnNullIfCancelled, PromptIcon piIcon) in c:\JenkinsHome\jobs\FiddlerReleaseBuild\workspace\Fiddler2\frmPrompt.cs:line 84


Fiddler v4.6.3.50306 (x64 AMD64) [.NET 4.0.30319.42000 on Microsoft Windows NT 10.0.14393.0]
---------------------------
OK   
---------------------------
Muzik
Top achievements
Rank 1
 answered on 27 Jan 2017
0 answers
110 views

I made this post on Stack overflow (post title Making fiddler work with chrome). Posting it here also to get advice from fiddler itself. I am not copy pasting the contents of the post because your spam detector is not letting me post plain text.

http://stackoverflow.com/questions/41902367/making-fiddler-work-with-chrome

Please help.

Test
Top achievements
Rank 1
 asked on 27 Jan 2017
1 answer
388 views

I noticed that FiddlerCore dlls are not strongly named. Is there any version available which is signed with a strong name?

I tried to sign the assembly, but it seems to be protected.

Tsviatko Yovtchev
Telerik team
 answered on 26 Jan 2017
1 answer
145 views

Hi guys,

Since the performance testing tools have been made available to VS2015 I thought I'd try out the webtest/loadtests and found that fiddler can already export directly to that format. The following article talks about custom plugins you can make for the export process but my version of Fiddler doesn't seem to pick them up.

https://blogs.msdn.microsoft.com/slumley/2007/04/17/writing-fiddler-web-test-plugins/

Can anyone else get this working using the method described? For the examples purposes I took all logic out the plugin and still couldn't get it to display in the list of plugins. It does however lock the file when I open Fiddler? Does this feature still work?

Code below:

Fiddler v4.6.3

    using Fiddler.WebTesting;

    namespace FiddlerPlugin
    {
        public class FiddlerPluginTest : IFiddlerWebTestPlugin
        {
            public void PreWebTestSave(object sender, PreWebTestSaveEventArgs e)
            {
            //Test
            }
        }
    }

Tsviatko Yovtchev
Telerik team
 answered on 26 Jan 2017
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