xreader crashes on document reloading

[Mickael Albertus]

When I want to reload my document or when the file is modified (by another program) the software crashes. It seems affect only big document.

I'm on the Linux Mint Beta and I use document viewer 1.0.6

I launched it on a terminal and it was written :

(xreader:4928): Gtk-CRITICAL **: gtk_widget_get_parent: assertion 'GTK_IS_WIDGET (widget)' failed

(xreader:4928): GLib-GObject-WARNING **: invalid unclassed pointer in cast to 'EvWebView'
Erreur de segmentation

[Mickael Albertus (mickael-albertus)]

It seems to affect onyly some files. I don't find the things that provoke crashes.

[Soren ONeill (soren-s)]

I can confirm this bug. Using xreader to display the pdf output of RStudio it will frequently crash, when the file is changed (by R / Rstudio).

When run from CLI I get:

(xreader:21665): Gtk-CRITICAL **: gtk_widget_get_parent: assertion 'GTK_IS_WIDGET (widget)' failed

(xreader:21665): GLib-GObject-WARNING **: invalid unclassed pointer in cast to 'EvWebView'

(xreader:21665): GLib-GObject-WARNING **: invalid (NULL) pointer instance

(xreader:21665): GLib-GObject-CRITICAL **: g_signal_handlers_disconnect_matched: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed

(xreader:21665): GLib-GObject-WARNING **: invalid (NULL) pointer instance

(xreader:21665): GLib-GObject-CRITICAL **: g_signal_handlers_disconnect_matched: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed

(xreader:21665): GLib-GObject-WARNING **: invalid (NULL) pointer instance

(xreader:21665): GLib-GObject-CRITICAL **: g_signal_handlers_disconnect_matched: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed

(xreader:21665): GLib-GObject-CRITICAL **: g_object_ref_sink: assertion 'G_IS_OBJECT (object)' failed

(xreader:21665): GLib-GObject-CRITICAL **: g_object_unref: assertion 'G_IS_OBJECT (object)' failed

(xreader:21665): Gtk-CRITICAL **: gtk_widget_get_parent: assertion 'GTK_IS_WIDGET (widget)' failed

(xreader:21665): GLib-GObject-WARNING **: invalid unclassed pointer in cast to 'EvWebView'

[1]+ Segmentation fault xreader

[Emil Haldrup Eriksen (emher2510)]

I am having the same problem. For me it's a pretty critical bug. I view graphs generated from matplotlib and latex documents while styling them, so a crash each time the underlying PDF file changes makes xreader pretty much useless. Here is a MWE in python to reproduce the bug:

import os
import tempfile
import time
import matplotlib.pyplot as plt

tmp_file = tempfile.gettempdir() + "/tmp.pdf"
plt.savefig(tmp_file)
os.system("xreader " + tmp_file + "&")
plt.plot([0], [0])
time.sleep(1)
plt.savefig(tmp_file)

And the error message i get is:

(xreader:10616): Gtk-CRITICAL **: gtk_widget_get_parent: assertion 'GTK_IS_WIDGET (widget)' failed

(xreader:10616): GLib-GObject-WARNING **: invalid unclassed pointer in cast to 'EvWebView'

I am using xreader 1.0.8 on Linux Mint 18 Cinnamon edition.

[Oliver R. (oliverr)]

I can confirm the bug for xreader 1.0.8 in LM 18 Xfce with a pretty small document. The only terminal output is (the German translation of) "segmentation fault".

[Haik (estownya)]

I have the same bug with arbitrary files.
Error is "segmentation fault"
I am using xreader 1.0.8 on Linux Mint 18 Cinnamon edition.

[Haik (estownya)]

Apparently it is fixed https://github.com/linuxmint/xreader/pull/28