[GeoNode-users] error on saving maps, again!

Wed Dec 23 06:31:21 PST 2015

Hi Francesco,

eventually I'm now able to get dump from apache seg fault.
I followed your suggestions and now looking into the dump by using gdb I have:

sudo gdb apache2 -core /tmp/cores/core.apache2.19352.repoigg.1450880039
GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from apache2...Reading symbols from /usr/lib/debug//usr/sbin/apache2...done.
done.
[New LWP 19380]
[New LWP 19377]
[New LWP 19392]
[New LWP 19360]
[New LWP 19374]
[New LWP 19352]
[New LWP 19391]
[New LWP 19390]
[New LWP 19389]
[New LWP 19388]
[New LWP 19387]
[New LWP 19386]
[New LWP 19385]
[New LWP 19384]
[New LWP 19383]
[New LWP 19382]
[New LWP 19381]
[New LWP 19379]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

warning: the debug information found in 
"/usr/lib/debug//usr/lib/php5/20121212/mysql.so" does not match 
"/usr/lib/php5/20121212/mysql.so" (CRC mismatch).

warning: the debug information found in 
"/usr/lib/debug/usr/lib/php5/20121212/mysql.so" does not match 
"/usr/lib/php5/20121212/mysql.so" (CRC mismatch).

warning: the debug information found in 
"/usr/lib/debug//usr/lib/php5/20121212/mysqli.so" does not match 
"/usr/lib/php5/20121212/mysqli.so" (CRC mismatch).

warning: the debug information found in 
"/usr/lib/debug/usr/lib/php5/20121212/mysqli.so" does not match 
"/usr/lib/php5/20121212/mysqli.so" (CRC mismatch).

warning: the debug information found in 
"/usr/lib/debug//usr/lib/php5/20121212/pdo_mysql.so" does not match 
"/usr/lib/php5/20121212/pdo_mysql.so" (CRC mismatch).

warning: the debug information found in 
"/usr/lib/debug/usr/lib/php5/20121212/pdo_mysql.so" does not match 
"/usr/lib/php5/20121212/pdo_mysql.so" (CRC mismatch).

Core was generated by `/usr/sbin/apache2 -k start'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  pj_gc_apply_gridshift (defn=0x7f82098142e0, inverse=0, point_count=1, point_offset=1, x=0x7f820975fb80, 
    y=0x7f8209813680, z=0x7f82096efe90) at src/pj_gridcatalog.c:145
145 src/pj_gridcatalog.c: No such file or directory.
Traceback (most recent call last):
  File "/usr/share/gdb/auto-load/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.19-gdb.py", line 63, in <module>
    from libstdcxx.v6.printers import register_libstdcxx_printers
ImportError: No module named 'libstdcxx'
(gdb)

Can these lines be useful to solve my problem?

Any further suggestions would be very appreciated.

best

Eugenio

Subject: Re: [GeoNode-users] error on saving maps, again!
From: xbartolone at gmail.com
Date: Sun, 6 Dec 2015 16:33:10 +0100
CC: simone.dalmasso at gmail.com; geonode-users at lists.osgeo.org
To: frippe12573 at hotmail.com

Eugenio,
a possible way to investigate more your problem is to attach httpd child process to gdb, cause it’s not reproducible. Follow instructions in this blog [1] and then look at the next crash.
Francesco
[1] http://sysadmin.carlusgg.com/?p=197
Il giorno 06/dic/2015, alle ore 10:58, Eugenio Trumpy <frippe12573 at hotmail.com> ha scritto:

Hi Francesco,

I'm trying  to use geonode 2.4.dev20151203130956.
I tried to save both an empty map and one containing a wms from an external geoserver. Same error.
I also tried to upload a new layer for using it on a new map, but that geonode version misses the category choose, so I got error also on upload a shp file.

Any idea on the reason of my problem?

Eugenio 

Subject: Re: [GeoNode-users] error on saving maps, again!
From: xbartolone at gmail.com
Date: Sat, 5 Dec 2015 18:03:21 +0100
CC: simone.dalmasso at gmail.com; geonode-users at lists.osgeo.org
To: frippe12573 at hotmail.com

Hi Eugenio,
what version are you running? Did your unsaved map contain remote any layer from remote service?
Francesco
Il giorno 04/dic/2015, alle ore 16:51, Eugenio Trumpy <frippe12573 at hotmail.com> ha scritto:

Dear Simone and all,

I'm very sad to announce you that I'm getting the same error I got 1 month ago.
I got an error on saving maps, and I retrieve the same error in apache error.log:

[Fri Dec 04 16:40:39.271057 2015] [core:notice] [pid 15782] AH00051: child pid 26334 exit signal Segmentation fault (11), possible coredump in /etc/apache2

same stuff on segmentation fault!

I can consider me very unlucky on this installation.
Actually It was 10 days up to yesterday that I did not use geonode, but I'm sure it was working fine.
Yesterday I had the problem raised on the geonode user mailing list, so today I decided to upgrade all geonode system.
The installation went fine, but I have the same problem on saving map.

I don't understand what happen. 
I solved this problem upgrading the server from 12.04 up to 14.04 version. This task was a bit time spending but all the applications
as well as geonode then worked fine. 
In the meanwhile no important activities I performed on the server, only a few OS update.

Can you help me again?

Eugenio 

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