Nextcloud-3.14.0-x86_64.AppImage exit after startup

Just downloaded Nextcloud-3.14.0-x86_64.AppImage, made it executable.
I try to start it and when I watch using “watch ‘ps -ef | grep -i nextcloud’” I see it appearing and disappearing immediately.
So I am back at 13.3.3
Whoops that started eating my memory again. So actually I am back to 3.12.7
Also see https://github.com/nextcloud/desktop/issues/6711 for the memory issue

Your issue might be the same or similar as described in [Bug]: Main window not showing up · Issue #7123 · nextcloud/desktop · GitHub

I tried to start it from the command line like:
./Nextcloud-3.14.0-x86_64.AppImage
and then it tries to start and I get lots of errors and it stops immediately:
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.32' not found (required by /tmp/.mount_NextclvspfpL/AppRun.wrapped) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34’ not found (required by /tmp/.mount_NextclvspfpL/AppRun.wrapped)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.29' not found (required by /tmp/.mount_NextclvspfpL/AppRun.wrapped) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version CXXABI_1.3.13’ not found (required by /tmp/.mount_NextclvspfpL/AppRun.wrapped)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libKF6Archive.so.6) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.30’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libQt6WebEngineCore.so.6)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.29' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libQt6WebEngineCore.so.6) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libm.so.6: version GLIBC_2.35’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libQt6WebEngineCore.so.6)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libQt6WebEngineCore.so.6) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libQt6WebEngineCore.so.6)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.32' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libQt6WebEngineCore.so.6) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libm.so.6: version GLIBC_2.35’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libQt6Quick.so.6)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.32' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libQt6Quick.so.6) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.29’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libQt6Quick.so.6)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.32' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libQt6Qml.so.6) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libQt6Qml.so.6)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.29' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libQt6Qml.so.6) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.32’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libnextcloudsync.so.0)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.29' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libnextcloudsync.so.0) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libnextcloud_csync.so.0)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.29' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libnextcloud_csync.so.0) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version CXXABI_1.3.13’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libnextcloud_csync.so.0)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libcrypto.so.3) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libcrypto.so.3)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libm.so.6: version GLIBC_2.35' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libQt6Widgets.so.6) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.29’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libQt6Widgets.so.6)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.32' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libQt6Gui.so.6) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libQt6Gui.so.6)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libm.so.6: version GLIBC_2.35' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libQt6Gui.so.6) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.29’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libQt6Gui.so.6)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.32' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libQt6Network.so.6) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libQt6Network.so.6)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.29' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libQt6Network.so.6) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.29’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libQt6Xml.so.6)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libm.so.6: version GLIBC_2.35' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libQt6Core.so.6) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.32’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libQt6Core.so.6)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libQt6Core.so.6) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libQt6Core.so.6)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.30' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libQt6Core.so.6) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.29’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libQt6Core.so.6)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version CXXABI_1.3.13' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libQt6Core.so.6) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.29’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libQt6QuickTemplates2.so.6)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.32' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/liblzma.so.5) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/liblzma.so.5)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.29' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libQt6WebChannel.so.6) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.29’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libQt6Positioning.so.6)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libnssutil3.so) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libnspr4.so)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libnspr4.so) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libevent-2.1.so.7)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libwebp.so.7) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libxkbcommon.so.0)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libre2.so.9) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.29’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libre2.so.9)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libdbus-1.so.3) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libdbus-1.so.3)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libxml2.so.2) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libxml2.so.2)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libxslt.so.1) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libtiff.so.5)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.29' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libQt6QmlModels.so.6) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libm.so.6: version GLIBC_2.35’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libQt6OpenGL.so.6)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libsqlite3.so.0) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libsqlite3.so.0)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libglib-2.0.so.0) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.32’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libglib-2.0.so.0)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libglib-2.0.so.0) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libgssapi_krb5.so.2)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libicuuc.so.70) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libicuuc.so.70)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libsystemd.so.0) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.32’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libsystemd.so.0)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libsystemd.so.0) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libkrb5.so.3)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libkrb5.so.3) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libk5crypto.so.3)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libkrb5support.so.0) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libkrb5support.so.0)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.32' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libgomp.so.1) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libgomp.so.1)
/tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33' not found (required by /tmp/.mount_NextclvspfpL/usr/bin/../lib/libcap.so.2) /tmp/.mount_NextclvspfpL/AppRun.wrapped: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.33’ not found (required by /tmp/.mount_NextclvspfpL/usr/bin/…/lib/libgcrypt.so.20)

Could this be because those versions of GLIBC are not supported / available on your version of Linux? I am on Ubuntu 20.04 LTS and get the same messages. I haven’t tried on Ubuntu 22 yet but I will. I may also try rolling back to an older AppImage.

Just a follow-up to close out this issue. The problem is definitely related to linux version. For Ubuntu, it relies on a certain version of python which relies on a certain version of C. I downgraded the AppImage and sync worked fine. Then I updated to Ubuntu 22 and then the latest AppImage worked.