Distracting Exception output in QtCreator when debugging Windows application - windows

I am using QtCreator 4.1rc1 under Windows with the msvc tool chain. The debugger is cdb from the Windows 8.1 SDK. I had the same issue with older versions of QtCreator.
When I debug my application, then there are many messages to the output (and issues) pane in the form
Exception at 0x773596c2, code: 0xe06d7363: C++ exception, flags=0x1 (execution cannot be continued) (first chance) in WinSCard!SCardTransmit
I understand, that this is to be expected under Windows and those exceptions are actually not a problem. But they pollute the output and issues pane and basically render them useless.
So I tried to get rid of the messages. But failed after hours trying. What I tried is the following:
Use the check box 'Ignore first chance access violation' under Tools->Options->Debugger->CDB
Specifying command line arguments to cdb.exe: -xi
Create a script file for cdb.exe to be used at startup to avoid the warnings. The script contained the commands 'SXI 8010000a; SXI 0000071a; SXI e06d7363'. I tried placing the script in several directories and also specifying it with the command line options -cf or -cfr.
When I run cdb.exe from a command line using the startup script, it works! No exceptions are printed to the console. But when I start it from QtCreator, they are there again.
I assume, that QtCreator is using their own startup scripts and those overwrite the ones I specified.
Has anyone succeeded in hiding those exception outputs under QtCreator with cdb?

Related

Multiple problems installing TeX Live 2021 on Windows 10

I have a Windows 10 laptop where no TeX distribution was ever installed before (double-checked for config directories, files, and environment variables).
Wanting to install TeX Live 2021, I followed the full installation guide and also read the Windows-specific warnings. I've now tried several times, following different installation procedures - cleaning up everything (deleting base & user directories, environment variables, etc) before each time - but still don't manage to get a working installation. Before I report a bug at tex-live#tug, I wanted to ask for advice here, in case I'm doing something wrong. Here is what I did, step by step, and the problems I encountered in the process.
1. First I tried running the recommended online installer install-tl-windows.exe. It never got past the screen that tries to contact or load from a repository, even after a 30-min wait. Tried a dozen times, choosing different mirrors nearby and far away. No luck.
2. Then I downloaded and unpacked the install-tl.zip and run install-tl-windows.bat therein. This time the main installation window appeared. I left all default paths and environment variables (note that I do have write access to C:); in the selection scheme I unselected all languages except US & UK English, unselected XeTeX, LuaTeX, ConTeXt; also unselected TeXworks (I use Emacs), and clicked Install. After one to three hours (depending on the mirror I chose), the installation was complete.
I tried compiling a minimal latex document (see below), and got an error similar to the one in this old question:
I can't find the format file `pdflatex.fmt'
Following the advice in the answers to that question and similar questions elsewhere online such as this, I tried running texhash and fmtutil-sys --all. The latter gave the error
no appropriate script or programme found fmtutil.
for which there are also many posts online.
2a. Not understanding what the problem could be, I re-tried with all possible combinations of the following three options: (a) choosing different mirrors; (b) leaving the full selection of packages (ie without unselecting some languages, LuaTeX etc); (c) redoing the procedure by choosing "Run as Administrator". No luck.
3. At this point I tried downloading the ISO file with the full installation. Mounted the image and run install-tl-windows.bat (as normal user, as recommended; I repeat that I do have write access to C:). Everything proceeded as in step 2. above. At the end of the installation I tried running pdflatex on the minimal latex document. New error this time:
This is pdfTeX, Version 3.141592653-2.6-1.40.22 (TeX Live 2021/W32TeX) (preloaded format=pdflatex)
restricted \write18 enabled.
entering extended mode
(./minimal-template.tex
LaTeX2e <2020-10-01> patch level 4
L3 programming layer <2021-02-18>
! LaTeX Error: File `article.cls' not found.
Very strange. A file search revealed that article.cls is in the TeXLive file system; but kpathsea did not see it indeed.
4. At this point I opened the TeX Live Shell from the Start Menu; selected a CTAN mirror; updated the TL Manager which was not up to date; updated all packages; run Regenerate filename database; and run Regenerate formats. With the latter I got this error:
tex live shell:
mtutil [INFO]: total formats: 59
fmtutil [INFO]: exiting with status 53
C:\texlive\2021\bin\win32\runscript.tlu:915: command failed with exit code 53:
perl.exe c:\texlive\2021\texmf-dist\scripts\texlive\fmtutil.pl --sys --all
Here is a snip from the full set of errors appearing in the "Other" tab (I'm replacing my user directory with asterisks for privacy; note that I do have write access to these directories):
start load https://www.nic.funet.fi/pub/TeX/CTAN/systems/texlive/tlnet
finish load https://www.nic.funet.fi/pub/TeX/CTAN/systems/texlive/tlnet
start load http://contrib.texlive.info/current
finish load http://contrib.texlive.info/current
running mktexlsr ...
done running mktexlsr.
running mtxrun --generate ...
done running mtxrun --generate.
running updmap-sys ...
done running updmap-sys.
regenerating fmtutil.cnf in C:/texlive/2021/texmf-dist
running fmtutil-sys --byengine luatex --no-error-if-no-format --no-error-if-no-engine=luajithbtex,luajittex,mfluajit --status-file=C:\Users\***\AppData\Local\Temp\rPSb0Dpak2\WW_dJvUHgX ...
tlmgr.pl: fmtutil-sys --byengine luatex --no-error-if-no-format --no-error-if-no-engine=luajithbtex,luajittex,mfluajit --status-file=C:\Users\***\AppData\Local\Temp\rPSb0Dpak2\WW_dJvUHgX failed (status 255), output:
Unknown option: status-file
Try "fmtutil --help" for more information.
C:\texlive\2021\bin\win32\runscript.tlu:915: command failed with exit code 255:
perl.exe c:\texlive\2021\texmf-dist\scripts\texlive\fmtutil.pl --sys --byengine luatex --no-error-if-no-format --no-error-if-no-engine=luajithbtex,luajittex,mfluajit --status-file=C:\Users\***\AppData\Local\Temp\rPSb0Dpak2\WW_dJvUHgX
running fmtutil-sys --byengine luajithbtex --no-error-if-no-format --no-error-if-no-engine=luajithbtex,luajittex,mfluajit --status-file=C:\Users\***\AppData\Local\Temp\rPSb0Dpak2\WW_dJvUHgX ...
I tried to continue anyway with Regenerate fontmaps, and then tried again pdflatex on the minimal document. New error:
This is pdfTeX, Version 3.141592653-2.6-1.40.23 (TeX Live 2021/W32TeX) (preloaded format=pdflatex)
restricted \write18 enabled.
---! c:/texlive/2021/texmf-var/web2c/pdftex/pdflatex.fmt made by different executable version
(Fatal format file error; I'm stymied)
5. I tried again steps 3. and 4., but with "Run as Administrator". Same errors.
OK at this point I give up and really don't know what to do. Am I doing something wrong? For the moment I have to concur with this post: installation of TeX Live 2021 is an utter failure.
Here is the minimal latex file I used for testing (copy & paste):
\documentclass{article}
\begin{document}
test
\section{Section}
test
\end{document}
Found, that the download is not working because the system path to "cmd.exe" is not found. Therefore: open a cmd window and add the system path prior to starting the .bat file (set PATH=%PATH%;C:\Windows\system32)

OpenDDS - Solution builds fine, examples run, but IDL exes crash

I have successfully built OpenDDS 3.13.2 from source. Here is my environment:
Windows 10
Visual Studio 2017 (re-targeted Solution to SDK 10.0.17763.0)
Tried all Configuration/Platform combinations
I successfully used the configure script from the VS command prompt, built everything by opening the generated solution in the same command prompt, and finally ran the Messenger example (publisher and subscriber), and even configured it to use RTPS successfully.
However, when I try to create my own IDL and use the tao_idl, it crashes. Here's my test (using the proper environment from setenv.cmd):
> tao_idl (no args)
IDL: No input files
Second test:
> tao_idl Test.idl (crashes)
I get no error message, and am unable to locate logs or any indication of what went wrong. The same thing happens when I used opendds_idl.
What is the best approach to debug this, and/or are there pre-built binaries available for the IDL compiler(s) (both TAO and OpenDDS)?
After about a day of troubleshooting, I have determined a solution. Despite being able to call tao_idl and opendds_idl yourself, you should basically never do it. There are a good amount of command-line arguments needed to get both to work, and if they're not present, each exe will crash without the proper reasoning why.
I will add my steps below to create a new basic two-exe pub/sub project using OpenDDS:
Create your own IDL file.
Starting with the DCPS Messenger example, modify the .mpc file, replacing Messenger.idl with your IDL file name.
Create a new file called <your project>.mwc, and add the following contents:
workspace {
// the -relative and -include cmdlines make it so this workspace
// does not have to be in the $DDS_ROOT directory tree.
// tell MPC to substitute our DDS_ROOT environment variables for relative paths
cmdline += -relative DDS_ROOT=$DDS_ROOT
// tell the projects where to find the DDS base projects (*.mpb)
cmdline += -include $DDS_ROOT/MPC/config
}
Open a new VS command-line terminal and run $DDS_ROOT/setenv.cmd, or open a regular terminal if you have those environment variables set via Windows settings.
Navigate to your project directory and call: mwc.pl -type vs2017, replacing "vs2017" as needed for your build tool/IDE.
Open up the generated solution, and retarget it as necessary for your Windows SDK version.
Build the <your project>_IDL project first. If you notice in the output window, it is invoking the tao_idl and opendds_idl commands automatically. You can view the .vcxproj files to see the full command-line arguments that were the original problem.
Modify the publisher.cpp, subscriber.cpp, and DataReaderListenerImpl.cpp files to match your new IDL. Run the example as usual and ta-da!
For completeness, the full commands for both tao_idl and opendds_idl are as follows:
> opendds_idl -Sa -St "<your file>.idl"
> tao_idl -Wb,pre_include=ace/pre.h -Wb,post_include=ace/post.h -I$(TAO_ROOT) -Sa -St -I$(DDS_ROOT) "<your file>.idl"
> tao_idl -Wb,pre_include=ace/pre.h -Wb,post_include=ace/post.h -I$(TAO_ROOT) -Sa -St -I$(DDS_ROOT) "<your file>TypeSupport.idl"

Qt 5.3.1: macdeployqt tries to include everything on my hard drive; how to fix?

I'm running Qt 5.3.1 on Mac OS X 10.8 and 10.9 I'm trying to use the macdeployqt tool to bundle libraries and plugins with my executable, but it's apparently trying to include everything on my hard drive.
I invoke it with:
/Applications/Qt/5.3.1/5.3/clang_64/bin/macdeployqt /Users/adamwilt/Desktop/temp/DesktopPixie.app -verbose=2
-qmldir=/Users/adamwilt/Desktop/temp/DesktopPixie.app/Contents/Resources/qml/DesktopPixie
and get lots of normal, expected log messages like:
Log: copy: "/Applications/Qt/5.3.1/5.3/clang_64/qml/QtQuick/Controls/Styles/Base/images" "/Users/adamwilt/Desktop/temp/DesktopPixie.app/Contents/Resources/qml/QtQuick/Controls/Styles/Base/images"
...and all runs fine until I start getting messages like:
Log: copy: "" "/Users/adamwilt/Desktop/temp/DesktopPixie.app/Contents/Resources/qml/MessageBoxUI/Enums"
ERROR: file copy failed from "/do-gst"
ERROR: to "/Users/adamwilt/Desktop/temp/DesktopPixie.app/Contents/Resources/qml/MessageBoxUI/Enums/do-gst"
ERROR: file copy failed from "/rescuepro.properties"
ERROR: to "/Users/adamwilt/Desktop/temp/DesktopPixie.app/Contents/Resources/qml/MessageBoxUI/Enums/rescuepro.properties"
ERROR: file copy failed from "/rescuepro34act.lic"
and then the fun begins:
Log: copy: "/Applications" "/Users/adamwilt/Desktop/temp/DesktopPixie.app/Contents/Resources/qml/MessageBoxUI/Enums/Applications"
Log: copied: "/Applications/License.rtf"
Log: to "/Users/adamwilt/Desktop/temp/DesktopPixie.app/Contents/Resources/qml/MessageBoxUI/Enums/Applications/License.rtf"
Log: copy: "/Applications/0xED-1.0.7.app" "/Users/adamwilt/Desktop/temp/DesktopPixie.app/Contents/Resources/qml/MessageBoxUI/Enums/Applications/0xED-1.0.7.app"
It appears it's trying to copy everything (that is, "") into the app, but I ^C out of it while I still have disk space left!
It didn't do this at first; then it did so for a week; then it stopped; now it's back. This is a distributed development project; I'm doing the QML stuff and folks elsewhere are doing the C++. It's possible the other folks are changing a configuration somewhere that's causing this to occur, but I'm the only one doing Mac deployments, so I'm the only one who sees this.
Is there a config file of some sort for macdeployqt where this might be getting triggered? Or is it more likely a problem related to the C++ object MessageBoxUI, which defines several Q_ENUMs (apparently correctly, as it compiles without warnings or errors, and appears to run properly), since that's the target directory when it starts going mad?
Sussed it (well enough that I can go on):
The Qt app I'm trying to deploy lives in ~/Desktop/temp. If I set my current directory to ~/Desktop or ~/Desktop/temp before I run macdeployqt, it runs as expected.
If I run it from from my home directory ~, or ~/Documents, macdeployqt tries to pull in everything it finds in /Applications, /opt, and/or other directories unassociated with the app.
Setting cwd to most other paths, including ~/Downloads, /Applications, subdirectories of ~/Documents, etc. also seems to work; it's only running macdeployqt from ~ and ~/Documents that causes the problem.
No proper explanation as to why this is happening, but just a warning in case someone else sees this sort of weird behavior: try changing to the apps's location before running macdeployqt.

Netbeans: C code debug hangs on start

When I start debug in Netbeans, nothig happens. Output strings don't apper; Pause, Continue, step buttons are inactive (only Stop debug button and restart button are active). Stack window is empty.
I tried to run process in shell and attach to it by Netbeans debug. Message with caption "Debugger error" appeared, it contained a text: \320\235\320\265\321\202 \321\202\320\260\320\272\320\276\320\263\320\276 \321\204\320\260\320\271\320\273\320\260 \320\270\320\273\320\270 \320\272\320\260\321\202\320\260\320\273\320\276\320\263\320\260.
Project is compiled with -g flag; gdb version is: GNU gdb 7.0.1-debian; Netbeans version is 7.1; In DDD tool debug for this program works fine.
In my case the cause was a bad variable in the Watches. I couldn't delete it while debugging was hanging. So I had to open the variables window manually while not building/debugging (Windows -> Debugging -> Variables). After deleting the bad variable, everything was fine.
Basically I deleted all variables, since I couldn't figure out, why gdb or netbeans disliked something like:
(char*)_Foo->Bar->Fail. During the previous debugging run this watch worked fine.

Custom debug command in Visual Studio using a Makefile project

I have a Makefile-powered project in Visual Studio 2010 (uses NAnt, in fact, but that's beside the point).
The output of the build process is a .elf file, and I have a separate, non-VStudio debugger which can be run on that .elf file to debug it.
Building works fine, but when I click the 'debug' button (little green triangle), VStudio fails with "Unable to start program 'XXX.elf'. The specified file is an unrecognized or unsupported binary format"
I'm guessing VStudio is just trying to 'run' the .elf as though it were an .exe, and failing.
What I really want VStudio to do is run "my_debugger.exe XXX.elf" when I press the debug button.
I have tried adding a file association with .elf=>my_debugger.exe
I have updated PATHEXT appropriately as well, and run VStudio under those changes.
Still no luck.
Isn't there somewhere in VStudio where you can specify a custom debug command? I thought there was, but can't find it.
I could just have the build process output a .bat file or something I guess, but this seems silly.
As Jim mentioned you can specify which app to start on run in the project settings (Command field). If you place a debugger there you can pass down your executable as an argument to the debugger being launched (Command Arguments field). This way you can launch the debugger which in turn will launch your executable if the debugger expects any commandline arguments.
MinGW on Windows example:
Command: gdb.exe; Command Arguments: Path\ToMyApp\whatever.exe
will start gdb.exe, gdb.exe will open whatever.exe, parse the debug info and wait for debug instructions.
Command: msys.exe; Command Arguments: gdb.exe Path\ToMyApp\whatever.exe
will start msys.exe, msys.exe will execute "gdb.exe Path\ToMyApp\whatever.exe"
Look at the project properties. Do you have a Debug tab which has a Start Action section giving three choices? Those choices would be: ( ) Start project, (x) Start external program: ... ( ) Start browser with URL.
You can also set the command line arguments and working directory.
Cf. How to: Change the Start Action for Application Debugging

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