| Summary: | gtk3_kde5: Hang/crash when using folderpicker from Java extension | ||
|---|---|---|---|
| Product: | LibreOffice | Reporter: | Michael Weghorn <m.weghorn> |
| Component: | graphics stack | Assignee: | Michael Weghorn <m.weghorn> |
| Status: | RESOLVED FIXED | ||
| Severity: | normal | CC: | m.weghorn |
| Priority: | medium | ||
| Version: | 6.1.5.2 release | ||
| Hardware: | All | ||
| OS: | All | ||
| Whiteboard: | target:6.3.0 target:6.2.4 | ||
| Crash report or crash signature: | Regression By: | ||
| Bug Depends on: | |||
| Bug Blocks: | 102495 | ||
| Attachments: |
Sample extension to reproduce the issue
GDB backtrace with master |
||
Created attachment 150660 [details]
GDB backtrace with master
I'm self-confirming according to [1] since the bug has originally been reported by somebody else in our internal issue tracker.
According to the bug reporter, the relevant Java code in the extension is this one:
XMultiComponentFactory xMCF = m_xContext.getServiceManager();
Object obj = xMCF.createInstanceWithContext("com.sun.star.ui.dialogs.FolderPicker", m_xContext);
XFolderPicker picker = UnoRuntime.queryInterface(XFolderPicker.class, obj);
short res = picker.execute();
Using a current debug build of master crashes with a failed assert, s. attached bt
Version: 6.3.0.0.alpha0+
Build ID: f3fc127dc007f32355859ae4fc7d34916c500a18
CPU threads: 4; OS: Linux 4.19; UI render: default; VCL: gtk3_kde5;
Locale: en-GB (en_GB.UTF-8); UI-Language: en-US
Calc: threaded
[1] https://wiki.documentfoundation.org/QA/Guidelines_for_public_and_private_sector_deployments
Gerrit change: https://gerrit.libreoffice.org/#/c/70519/ Michael Weghorn committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/+/728ee3839ea94e3391c36a847bf6b28c12ad7647%5E%21 tdf#124652 Guard Gtk3KDE5FolderPicker::execute with SolarMutexGuard It will be available in 6.3.0. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback. Michael Weghorn committed a patch related to this issue. It has been pushed to "libreoffice-6-2": https://git.libreoffice.org/core/+/62d6082f5a7a87631a4316b2107f1d8fc7e8c820%5E%21 tdf#124652 Guard Gtk3KDE5FolderPicker::execute with SolarMutexGuard It will be available in 6.2.4. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback. |
Created attachment 150659 [details] Sample extension to reproduce the issue Using the folder picker from a Java extension causes LibreOffice to hang when using the gtk3_kde5 VCL plugin. Steps to reproduce: 0) use KDE Plasma 1) install the attached demo extension 2) start LibreOffice Writer with the gtk3_kde5 VCL plugin: SAL_USE_VCLPLUGIN=gtk3_kde5 libreoffice --writer 3) click the "Test Extension" -> "Save (new)" menu item -> a native Qt folder picker appears 4) select any directory and click "OK" Result: LibreOffice hangs using e.g. LibreOffice from Debian testing: Version: 6.1.5.2 Build ID: 1:6.1.5-2 CPU threads: 4; OS: Linux 4.19; UI render: default; VCL: gtk3_kde5; Locale: en-GB (en_GB.UTF-8); Calc: group threaded