MantisBT - MEGA
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IDProjectCategoryView StatusDate SubmittedLast Update
0000687MEGAMain Formpublic2018-03-07 21:202023-04-14 18:41
Reporterguest 
Assigned To 
PrioritynormalSeverityminorReproducibilityhave not tried
StatusnewResolutionopen 
PlatformPCOSLinuxOS Versionother
Product VersionMEGA-CC 11 (command line version) 
Target VersionFixed in Version 
First NameSimon-Olivier
Last NameMorneau
Emailsmorn026@uottawa.ca
Confirm Emailsmorn026@uottawa.ca
Summary0000687: Access violation exception in mega-proto
DescriptionHi, I am a computer engineering student, and I was helping a biology student setup mega7 on my desktop computer, running Linux, when I encountered multiple access violation exceptions when trying to run megaproto from the terminal to generate a .mao file. I get a popup with the message "Access violation. Press OK to ignore and risk data corruption. Press Cancel to kill the program.", and the message "TApplication.HandleException Access violation" with the beginning of a stack trace being printed under it. (See the attached screenshot, the text appears to lack contrast because the application GUI doesn't seem to be entirely aware of my GTK and QT theme properties.)

After the message appears and the user clicks on the OK button, the program acts unpredictably. In my tests, sometimes the configuration file can be properly completed and written to disk, sometimes it writes a configuration file with the default parameters instead of the properly tailored ones, and sometimes it just crashes outright.
Steps To Reproduce - Run megaproto normally with ./megaproto in a terminal.
 - Select the Data Type to analyze, in my case I selected Protein alignment when I first encountered this.
 - Open a configuration window, in my case Phylogeny > Construct / Test Maximum Likelihood Tree...
 - Modify some parameters, and click on a number field. (The exception seems to always occur with number fields, never with drop boxes, which leads me to think that the issue comes from the UI itself, especially given the full stack trace, see this (2 consecutive runs) : https://pastebin.com/jsLGNGER [^] )
 - At this point, it is usually still possible to modify values, and sometimes to save the config file properly.
 - When the mouse passes over the edge of the dialog window, the application crashes entirely within a few seconds.
Additional InformationI don't think it's necessary to include testing data since the issue is with megaproto not megacc. You can find some system information below. Don't hesitate to get in touch if you need more information or help debugging.

Distribution: Manjaro (Arch Linux-based) 64-bit
Kernel version: 4.14.23-1-MANJARO
CPU: Intel(R) Core(TM) i7-6850K CPU @ 3.60Ghz
RAM: 16GiB

Screenshot also available here : https://puu.sh/zCZAN/ee9f12c979.png [^]
TagsNo tags attached.
Relationships
Attached Filespng screenshot-mega-proto.png (758,412) 2018-03-07 21:20
https://megasoftware.net/mantis_bt/
Issue History
Date ModifiedUsernameFieldChange
2018-03-07 21:20guestNew Issue
2018-03-07 21:20guestFile Added: screenshot-mega-proto.png
2022-12-05 06:42guestNote Added: 0005808
2023-04-14 18:41guestNote Added: 0006530

Notes
(0000631)
paul   
1969-12-31 17:33   
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(0005808)
guest   
2022-12-05 06:42   
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(0006530)
guest   
2023-04-14 18:41   
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