Bug report #20712

Crash at QgsApplication.initQgis() on Mac

Added by Ikuo Yamaga about 6 years ago. Updated almost 6 years ago.

Status:In Progress
Priority:High
Assignee:Peter Petrik
Category:Python bindings / sipify
Affected QGIS version:3.5(master) Regression?:No
Operating System:macos mojave 10.14.1 Easy fix?:No
Pull Request or Patch supplied:No Resolution:
Crashes QGIS or corrupts data:Yes Copied to github as #:28532

Description

Simple application crushed by signal 11.
I attached crush report of Mac.

I go back to QGIS3.2.2 Bonn. It's OK, no crush.

  1. source: "The PyGIS Programmer's Guide"

from PyQt5.QtWidgets import QApplication
from qgis.core import QgsApplication

from ourmainwindow_3 import OurMainWindow

app = QApplication([])
  1. set up QGIS
    ##QgsApplication.setPrefixPath("/Users/gsherman/apps/QGIS.app/Contents/MacOS", True)
    QgsApplication.setPrefixPath("/Applications/QGIS3.app/Contents/MacOS", True)
    QgsApplication.initQgis()
  1. set the main window and show it
    mw = OurMainWindow()
    mw.show()

app.exec_()

  1. "delete" our main window
    mw = None
  2. clean up QGIS
    QgsApplication.exitQgis()
  1. end of source

qgis362crush.txt Magnifier (74.2 KB) Ikuo Yamaga, 2018-12-04 05:22 AM

Qgis344crush.txt Magnifier (75 KB) Ikuo Yamaga, 2019-02-01 03:32 AM

QGIS344crush.png (335 KB) Ikuo Yamaga, 2019-02-01 03:32 AM

QGIS322runing.png (400 KB) Ikuo Yamaga, 2019-02-01 03:32 AM

our_app_3.py Magnifier (549 Bytes) Ikuo Yamaga, 2019-02-01 03:34 AM

History

#1 Updated by Giovanni Manghi about 6 years ago

  • Crashes QGIS or corrupts data changed from No to Yes
  • Priority changed from Normal to High
  • Subject changed from QGIS3.6.2 crush at QgsApplication.initQgis() on Mac to QGIS 3.4.2 crush at QgsApplication.initQgis() on Mac

#2 Updated by Peter Petrik almost 6 years ago

  • Status changed from Open to Feedback

Unable to replicate on Mac 10.14.1 and QGIS 3.5 master.
Based on the attached crash report (crash in QgsAuthManager::authDatabaseConnection() const + 415 ) I suspect it could be related to packaging (system python installation) or corrupted user profile.
Can you please with test with clean user profile

#3 Updated by Ikuo Yamaga almost 6 years ago

  • Assignee set to Ikuo Yamaga

Same crushed with 10.14.2 and 3.4.4. 3.2.2 Bonn was good.

My python3.6 was maybe clean. I don't touch anything and I created virtualenv for it.
What's mean "clean user profile" ? bash_profile or not.

#4 Updated by Ikuo Yamaga almost 6 years ago

  • Assignee changed from Ikuo Yamaga to Peter Petrik

#5 Updated by Giovanni Manghi almost 6 years ago

What's mean "clean user profile" ? bash_profile or not.

QGIS 3 supports multiple (QGIS) user profiles, you can create new ones.

#6 Updated by Ikuo Yamaga almost 6 years ago

I create new profile "debug" and set default profile to "debug". But crushed.

I think it was not concern to profile setting, since it was standalone application.

QGIS344 was no good. QGIS322 is good!
I'm testing by rename /Application/QGIS3.app.

--- on console
(venv) Ikuo-no-iMac:qgis3py yamaga$ python3 ./standalone/our_app_3.py

#7 Updated by Jürgen Fischer almost 6 years ago

  • Subject changed from QGIS 3.4.2 crush at QgsApplication.initQgis() on Mac to QGIS 3.4.2 crash at QgsApplication.initQgis() on Mac

#8 Updated by Giovanni Manghi almost 6 years ago

  • Status changed from Feedback to Open
  • Affected QGIS version changed from 3.4.2 to 3.4.4

#9 Updated by Peter Petrik almost 6 years ago

I can replicate the issue when I drag 'n' drop the .py file to QGIS. running individual commands is OK

#10 Updated by Peter Petrik almost 6 years ago

  • Subject changed from QGIS 3.4.2 crash at QgsApplication.initQgis() on Mac to Crash at QgsApplication.initQgis() on Mac
  • Affected QGIS version changed from 3.4.4 to 3.5(master)

#11 Updated by Peter Petrik almost 6 years ago

  • Status changed from Open to In Progress

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