QCoreApplication::applicationFilePath: Please instantiate the QApplication object first

[Qinlei0707]

When I run the playgroud.ipynb,there were some errors:

QCoreApplication::applicationFilePath: Please instantiate the QApplication object first
WARNING: QApplication was not created in the main() thread.
WARNING: QApplication was not created in the main() thread.
libGL error: MESA-LOADER: failed to open vmwgfx: /usr/lib/dri/vmwgfx_dri.so: 无法打开共享对象文件: 没有那个文件或目录 (search paths /usr/lib/x86_64-linux-gnu/dri:$${ORIGIN}/dri:/usr/lib/dri, suffix _dri)
libGL error: failed to load driver: vmwgfx
libGL error: MESA-LOADER: failed to open vmwgfx: /usr/lib/dri/vmwgfx_dri.so: 无法打开共享对象文件: 没有那个文件或目录 (search paths /usr/lib/x86_64-linux-gnu/dri:$${ORIGIN}/dri:/usr/lib/dri, suffix _dri)
libGL error: failed to load driver: vmwgfx
libGL error: MESA-LOADER: failed to open swrast: /usr/lib/dri/swrast_dri.so: 无法打开共享对象文件: 没有那个文件或目录 (search paths /usr/lib/x86_64-linux-gnu/dri:$${ORIGIN}/dri:/usr/lib/dri, suffix _dri)
libGL error: failed to load driver: swrast

What is the solution for these errors?Thank you for your help.

[Qinlei0707]

ok.Now,The issue has now evolved into the following. How should I resolve it?

libGL error: MESA-LOADER: failed to open vmwgfx: /usr/lib/dri/vmwgfx_dri.so: 无法打开共享对象文件: 没有那个文件或目录 (search paths /usr/lib/x86_64-linux-gnu/dri:$${ORIGIN}/dri:/usr/lib/dri, suffix _dri)
libGL error: failed to load driver: vmwgfx
libGL error: MESA-LOADER: failed to open vmwgfx: /usr/lib/dri/vmwgfx_dri.so: 无法打开共享对象文件: 没有那个文件或目录 (search paths /usr/lib/x86_64-linux-gnu/dri:$${ORIGIN}/dri:/usr/lib/dri, suffix _dri)
libGL error: failed to load driver: vmwgfx
libGL error: MESA-LOADER: failed to open swrast: /usr/lib/dri/swrast_dri.so: 无法打开共享对象文件: 没有那个文件或目录 (search paths /usr/lib/x86_64-linux-gnu/dri:$${ORIGIN}/dri:/usr/lib/dri, suffix _dri)
libGL error: failed to load driver: swrast

Thank you for your help.

[xiaohai-AI]

maybe you can try adding the following code:
export MESA_LOADER_DRIVER_OVERRIDE=i965

inside ~/.bashrc file

[Qinlei0707]

maybe you can try adding the following code: export MESA_LOADER_DRIVER_OVERRIDE=i965

inside ~/.bashrc file

OK,thank you.

[Jimntu]

May I ask how do you resolve the problem: QCoreApplication::applicationFilePath: Please instantiate the QApplication object first?

[Qinlei0707]

May I ask how do you resolve the problem: QCoreApplication::applicationFilePath: Please instantiate the QApplication object first?

You should carefully check whether the running code is correct. Are there any software libraries that are not installed?