Bug#837081: Re%3A Bug#837081%3A netbeans%3A Crashes due to assertion failure in GLib

[Tobias Wich]

Hi,

that worked well ;-)

The log is attached. I hope it helps track down the bug.
The Glib lines at the beginning of the log repeat themselves very often. My 
1 lines terminal did not suffice to keep it all. As it's always the same, I 
omitted this crap.

Best Regards
Tobias


On Donnerstag, 23. März 2017 18:58:06 CET Markus Koschany wrote:
> On Thu, 23 Mar 2017 16:22:26 +0100 Tobias Wich 
<tobias.w...@electrologic.org> wrote:
> > Hello,
> > 
> > I can reproduce the problem in between a few seconds and a few minutes, so
> > it shouldn't be a problem getting the stacktraces. However it's been ages
> > that I used gdb and I'm far from an expert in that field.
> > 
> > First I tried adding -XX:OnError="gdb - %p", so gdb is started when the
> > process crashes. But I guess the assert error performs the usual exit on
> > the process and nothing happens.
> > 
> > I tried attaching the process with gdb --pid=..., but the java process
> > constantly raises SIGSEGV at least once every second.
> > 
> > Can someone tell me how these breaks can be ignored? And how I get all the
> > necessary stack traces?
> 
> Hi,
> 
> you could try setting
> 
> (gdb) handle SIGSEGV nostop noprint pass
> 
> then "cont" and when it crashes "bt full"
> 
> I'm no gdb expert either but if you get something useful from gdb it could
> be helpful.
> 
> Regards,
> 
> Markus

(java:13714): GLib-GObject-WARNING **: invalid uninstantiatable type '(null)' in cast to 'AtkObject'

(java:13714): GLib-GObject-WARNING **: instance of invalid non-instantiatable type '(null)'

(java:13714): GLib-GObject-CRITICAL **: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed

(java:13714): GLib-GObject-WARNING **: invalid uninstantiatable type '(null)' in cast to 'GObject'

(java:13714): GLib-GObject-WARNING **: invalid uninstantiatable type '(null)' in cast to 'GObject'

(java:13714): GLib-GObject-CRITICAL **: g_object_unref: assertion 'G_IS_OBJECT (object)' failed

(java:13714): GLib-GObject-WARNING **: invalid uninstantiatable type '(null)' in cast to 'AtkObject'

(java:13714): GLib-GObject-WARNING **: invalid uninstantiatable type '(null)' in cast to 'JawObject'
**
GLib:ERROR:/build/glib2.0-IOHfFd/glib2.0-2.50.3/./glib/ghash.c:373:g_hash_table_lookup_node: assertion failed: (hash_table->ref_count > 0)

Thread 33 "JNI main loop" received signal SIGABRT, Aborted.
[Switching to Thread 0x7fff443da700 (LWP 13750)]
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:58
58  ../sysdeps/unix/sysv/linux/raise.c: Datei oder Verzeichnis nicht gefunden.
(gdb) bt full
#0  0x77223fdf in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:58
set = {__val = {4, 140734940516344, 140734338276048, 8453551255, 140734940515488, 140734338276032, 140734607945191, 252833149, 4294967295, 18446744073709486080, 140737339424216, 140737354103448, 0, 0, 8462091486243418686, 732169328421503056}}
pid = 
tid = 
#1  0x7722540a in __GI_abort () at abort.c:89
save_stage = 2
act = 
  {__sigaction_handler = {sa_handler = 0x672f646c6975622f, sa_sigaction = 0x672f646c6975622f}, sa_mask = {__val = {5272923713692658028, 93823560581121, 140734338276544, 140734338276416, 72057594037927936, 16777216, 9943947977234055168, 140735911297024, 140734608489200, 0, 140737343167232, 140737343167320, 0, 140737343167232, 50176, 160}}, sa_flags = -145188096, sa_restorer = 0x558cf260}
sigs = {__val = {32, 0 }}
#2  0x7fff545655a5 in g_assertion_message () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x7fff5456563a in g_assertion_message_expr () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x7fff5452d22e in g_hash_table_lookup () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x7fff5667d2f3 in  () at /usr/lib/x86_64-linux-gnu/jni/libatk-wrapper.so.6.0.0
#6  0x7fff5453e6aa in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x7fff5453ea60 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x7fff5453ed82 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x7fff5667c868 in  () at /usr/lib/x86_64-linux-gnu/jni/libatk-wrapper.so.6.0.0
#10 0x7fff545663d5 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x77bc3424 in start_thread (arg=0x7fff443da700) at pthread_create.c:333
__res = 
pd = 0x7fff443da700
now = 
unwind_buf = 
  {cancel_jmp_buf = {{jmp_buf = {140734338279168, -1373052982531634956, 0, 140735108997839, 0, 140737354125376, 1373430680866343156, 1373035959296411892}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
not_first_call = 
pagesize_m1 = 
sp = 
freesize = 

Bug#837081: Re%3A Bug#837081%3A netbeans%3A Crashes due to assertion failure in GLib

[Tobias Wich]

Hello,

I can reproduce the problem in between a few seconds and a few minutes, so it 
shouldn't be 
a problem getting the stacktraces. However it's been ages that I used gdb and 
I'm far from 
an expert in that field.

First I tried adding -XX:OnError="gdb - %p", so gdb is started when the process 
crashes. But I 
guess the assert error performs the usual exit on the process and nothing 
happens.

I tried attaching the process with gdb --pid=..., but the java process 
constantly raises SIGSEGV 
at least once every second. 

Can someone tell me how these breaks can be ignored? And how I get all the 
necessary stack 
traces?


Best regards
Tobias
__
This is the maintainer address of Debian's Java team
. 
Please use
debian-j...@lists.debian.org for discussions and questions.