mono Fiddler Error

4 posts, 0 answers
  1. 酒 avatar
    1 posts
    Member since:
    Sep 2017

    Posted 07 Sep 2017 Link to this post

    I have installed Mono 5.2.0 for OSX and MonoFiddler 4.4.8.4 Built for Linux, and I also run mozroots —import —sync for HTTPS, however, when I run mono Fiddler.exe , it said "NameError: name 'lldb' is not defined" 
    "Got a SIGSEGV while executing native code. This usually indicates
    a fatal error in the mono runtime or one of the native libraries
    used by your application."    

    and the mono process exited unexpectedly!

    and I want to know why.. 

     

     

  2. Alexander
    Admin
    Alexander avatar
    383 posts

    Posted 12 Sep 2017 Link to this post

    Hi,

    Why are you trying to run Fiddler built for Linux on OSX? Go grab the Fiddler built for Mac and use it instead. Also, since you are using Mono 5.2.0 you have to pass --arch=32 to the mono command. You can find more information here.

    Regards,
    Alexander
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  3. Lavanya
    Lavanya avatar
    1 posts
    Member since:
    Sep 2018

    Posted 30 Sep 2018 in reply to Alexander Link to this post

    The same issue still persists.

    rror=0x00007000049fae40) at object.c:2942 [opt]
        frame #22: 0x0000000103013bee mono`start_wrapper at threads.c:1106 [opt]
        frame #23: 0x0000000103013b33 mono`start_wrapper(data=0x00007fd0ed493a90) at threads.c:1158 [opt]
        frame #24: 0x00007fff64aa5661 libsystem_pthread.dylib`_pthread_body + 340
        frame #25: 0x00007fff64aa550d libsystem_pthread.dylib`_pthread_start + 377
        frame #26: 0x00007fff64aa4bf9 libsystem_pthread.dylib`thread_start + 13
    (lldb) detach


    =================================================================
    Got a SIGSEGV while executing native code. This usually indicates
    a fatal error in the mono runtime or one of the native libraries 
    used by your application.
    =================================================================


    Process 2956 detached
    (lldb) quit
    Abort trap: 6
    BLRC02WP1KBHTD7:fiddler-mac Lavac$ Traceback (most recent call last):
      File "<string>", line 1, in <module>
    NameError: name 'lldb' is not defined

  4. G
    G avatar
    1 posts
    Member since:
    May 2019

    Posted 28 May 2019 Link to this post

    pass --arch=32 to the mono command

    This helped, however overall user experience is awful, the only real workaround for me is to execute Fiddler in Parallels Coherent mode and use some tricks to redirect HTTP traffic via Parallels network.

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