[mapserver-dev] MapServer 6.0.0-beta2 release

Havard Tveite havard.tveite at umb.no
Wed Mar 23 10:41:49 EDT 2011 

Thank you for your support and interest, Steve.

I have had an email exchange with Thomas off-list, and
have found out that if I turn off the scalebar, I don't
experience crashes anymore.  Thomas is looking into it.

Håvard

On 3/23/2011 3:29 PM, Stephen Woodbridge wrote:
> Håvard,
>
> Everything looks normal from what I can see. One thing you might try is
> to rebuild mapserver without threads and see if you get the same behavior.
>
> So when you get a failure, does this request work if you try it again or
> does it always fail?
>
> If it is randomly failing and working at other times then this feels
> like a thread corruption issue.
>
> If is fails consistently, the you can debug bug it as Daniel suggested with:
>
> gdb /path/to/mapserv
> run "QUERY_STRING=map=...&mode=...&..."
> bt
> quit
>
> And us (and cc: Thomas) the output from above.
>
> Thanks,
>     -Steve W
>
> On 3/23/2011 6:19 AM, Havard Tveite wrote:
>> On 3/22/2011 4:39 PM, Stephen Woodbridge wrote:
>>> Håvard,
>>>
>>> How do you have apache configured.
>>> apache2-mpm-prefork?
>>> fastcgi or cgi?
>>
>> I use the default Ubuntu Apache2 distribution.
>> cgi, not fastcgi.
>>
>>   >  apache2ctl -V
>> Server version: Apache/2.2.9 (Debian)
>> Server built: Dec 11 2010 21:34:00
>> Server's Module Magic Number: 20051115:15
>> Server loaded: APR 1.2.12, APR-Util 1.2.12
>> Compiled using: APR 1.2.12, APR-Util 1.2.12
>> Architecture: 64-bit
>> Server MPM: Prefork
>> threaded: no
>> forked: yes (variable process count)
>> Server compiled with....
>> -D APACHE_MPM_DIR="server/mpm/prefork"
>> -D APR_HAS_SENDFILE
>> -D APR_HAS_MMAP
>> -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
>> -D APR_USE_SYSVSEM_SERIALIZE
>> -D APR_USE_PTHREAD_SERIALIZE
>> -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
>> -D APR_HAS_OTHER_CHILD
>> -D AP_HAVE_RELIABLE_PIPED_LOGS
>> -D DYNAMIC_MODULE_LIMIT=128
>> -D HTTPD_ROOT=""
>> -D SUEXEC_BIN="/usr/lib/apache2/suexec"
>> -D DEFAULT_PIDLOG="/var/run/apache2.pid"
>> -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
>> -D DEFAULT_LOCKFILE="/var/run/apache2/accept.lock"
>> -D DEFAULT_ERRORLOG="logs/error_log"
>> -D AP_TYPES_CONFIG_FILE="/etc/apache2/mime.types"
>> -D SERVER_CONFIG_FILE="/etc/apache2/apache2.conf"
>>
>>   >  apache2ctl -l
>> Compiled in modules:
>> core.c
>> mod_log_config.c
>> mod_logio.c
>> prefork.c
>> http_core.c
>> mod_so.c
>>
>>> apache2ctl -M
>> Loaded Modules:
>> core_module (static)
>> log_config_module (static)
>> logio_module (static)
>> mpm_prefork_module (static)
>> http_module (static)
>> so_module (static)
>> alias_module (shared)
>> auth_basic_module (shared)
>> authn_file_module (shared)
>> authz_default_module (shared)
>> authz_groupfile_module (shared)
>> authz_host_module (shared)
>> authz_user_module (shared)
>> autoindex_module (shared)
>> cgi_module (shared)
>> dir_module (shared)
>> env_module (shared)
>> jk_module (shared)
>> mime_module (shared)
>> negotiation_module (shared)
>> php5_module (shared)
>> proxy_module (shared)
>> rewrite_module (shared)
>> setenvif_module (shared)
>> status_module (shared)
>> userdir_module (shared)
>> Syntax OK
>>
>>> What does mapserv -v report?
>>
>> MapServer version 6.0.0-beta2 OUTPUT=GIF OUTPUT=PNG OUTPUT=JPEG
>> SUPPORTS=PROJ SUPPORTS=AGG SUPPORTS=FREETYPE SUPPORTS=ICONV
>> SUPPORTS=WMS_SERVER SUPPORTS=WMS_CLIENT SUPPORTS=WFS_SERVER
>> SUPPORTS=WFS_CLIENT SUPPORTS=WCS_SERVER SUPPORTS=FASTCGI
>> SUPPORTS=THREADS SUPPORTS=GEOS INPUT=POSTGIS INPUT=OGR INPUT=GDAL
>> INPUT=SHAPEFILE
>>
>>> Can you reproduce this crash using shp2img?
>>
>> No, I have not been able to produce a crash using shp2img.
>>
>> Håvard
>>
>>>
>>> Thanks,
>>> -Steve W
>>>
>>> On 3/22/2011 11:32 AM, Havard Tveite wrote:
>>>> I have done some tests on beta1 and beta2, mostly to
>>>> check the new rendering behaviour of Mapserver 6.
>>>>
>>>> With both beta1 and beta2 I get frequent crashes -
>>>> Apache "Internal Server Error". If I reload a map
>>>> request a number of times, normally more than half
>>>> of the requests result in an Apache "Internal Server
>>>> Error".
>>>> The Apache error logs only lists: "Premature end of
>>>> script headers: mapserver-6beta"
>>>>
>>>> The "same" (except I have had to change some of the
>>>> rendering things) map file has never caused a crash
>>>> on 5.6.6.
>>>>
>>>> I am on 64 bit Debian Lenny (2.6.26-2-amd64), with
>>>> Apache/2.2.9 (Debian). PostgreSQL version 8.3.5,
>>>> PostGIS version 1.4.1. Configuration and compilation
>>>> of Mapserver went fine.
>>>> I have run with DEBUG ON, but can't find anything in the
>>>> logs that I can relate to the crashes.
>>>> The map file I use is reasonably complex, so it will
>>>> probably be difficult to isolate the cause of the
>>>> problem. A local PostgreSQL/PostGIS instance is the source
>>>> of all the data, both point (26 classes), line (37 classes)
>>>> and area (18 classes) symbols are rendered.
>>>> The crashes continue to occur even if I remove the points,
>>>> the lines or the areas. If I remove all the layers, I do
>>>> not experience crashes.
>>>> Even with very few objects rendered the crashes occur
>>>> frequently.
>>>>
>>>> Håvard Tveite
>>>>
>>>>
>>>> On 3/18/2011 8:48 PM, Daniel Morissette wrote:
>>>>> Thanks to the hard work from everyone during the Montreal Code Sprint
>>>>> this week (http://wiki.osgeo.org/wiki/Montreal_Code_Sprint_2011), the
>>>>> MapServer Team is pleased to announce the release of MapServer
>>>>> 6.0.0-beta2. This is the latest beta on our way to a final 6.0 release,
>>>>> and includes a large number of fixes made during the Montreal Code
>>>>> Sprint.
>>>>>
>>>>> The 6.0 release introduces important changes in key components of the
>>>>> MapServer core (rendering, query and expressions), and for this reason
>>>>> we count on you, MapServer power users, to help test the release in
>>>>> your
>>>>> respective environments and provide feedback (through the users list or
>>>>> Trac tickets).
>>>>>
>>>>> This is the second of four planned beta releases and if all goes well a
>>>>> final release should occur around the end of April. The full release
>>>>> plan which also includes the list of new features and changes in this
>>>>> release is available at:
>>>>> http://mapserver.org/trunk/development/release/release-plan-6.0.html
>>>>>
>>>>> The list of fixes since beta1 is attached at the end of this message.
>>>>> For a complete list see the HISTORY.TXT file at:
>>>>>
>>>>>
>>>>> http://trac.osgeo.org/mapserver/browser/tags/rel-6-0-0-beta2/mapserver/HISTORY.TXT
>>>>>
>>>>>
>>>>>
>>>>> We have started working on a 5.6 ->  6.0 migration guide. This document
>>>>> contains important notes on backwards incompatibilities or other
>>>>> changes
>>>>> required when upgrading to 6.0. It is not complete yet but we strongly
>>>>> recommend that you review the latest version online at:
>>>>>
>>>>> http://mapserver.org/trunk/MIGRATION_GUIDE.html
>>>>>
>>>>> The source for this release can be downloaded at:
>>>>>
>>>>> http://mapserver.org/download.html
>>>>> or
>>>>> http://download.osgeo.org/mapserver/mapserver-6.0.0-beta2.tar.gz
>>>>>
>>>>> The binary distributions listed in the download page should be updated
>>>>> with binaries for the new beta release in the next day or so.
>>>>>
>>>>> Once again we need your help to ensure a high quality product, so
>>>>> please
>>>>> help out by testing your applications with this new code base.
>>>>>
>>>>> Thanks! - The MapServer Team
>>>>>
>>>>>
>>>>> Version 6.0.0-beta2 (2011-03-18)
>>>>> --------------------------------
>>>>>
>>>>> - correct scaling of symbol GAP and PATTERN (#3752)
>>>>>
>>>>> - remove references to SWF/MING
>>>>>
>>>>> - CGI runtime substitution requires a validation pattern (was optional
>>>>> before) (#3522)
>>>>>
>>>>> - add a default png8 outputformat that uses AGG/PNG with quantization
>>>>>
>>>>> - change MS_INIT_COLOR to take alpha as a parameter
>>>>>
>>>>> - stop using style->opacity in rendering code, use alpha from
>>>>> colorObjs.
>>>>>
>>>>> - Fixed big Oracle memory leak when rendering in KML (#3719)
>>>>>
>>>>> - avoid linking in postgres dependencies unnecessarily (#3708)
>>>>>
>>>>> - don't initialize outputformats until they are selected
>>>>>
>>>>> - use "seamless" creation of tiles for polygon fills with vector
>>>>> symbols
>>>>>
>>>>> - Ability to escape single/double quotes inside a string (#3706)
>>>>>
>>>>> - Globally replace msCaseFindSubstring with strcasestr (#3255)
>>>>>
>>>>> - support GROUP layers in shp2img (#3746)
>>>>>
>>>>> - Honour MAXSIZE for WCS 2.0 responses (#3204).
>>>>>
>>>>> - fallback to ows_title for WCS ows:Title of CoverageDescription
>>>>> (#3528)
>>>>>
>>>>> - Added msIO_stripStdoutBufferContentHeaders() to strip off all
>>>>> Content-* headers from a buffer (#3673, #3665).
>>>>>
>>>>> - Added raster classification support for STYLE level OPACITY.
>>>>>
>>>>> - Allow attribute references, that is [itemname], within a TEXT string
>>>>> (#3736)
>>>>>
>>>>> - Fixed segmentation fault when parsing invalid extent arguments in
>>>>> shp2img (#3734)
>>>>>
>>>>> - Make "openlayers mode" work even without OWS support (#3732)
>>>>>
>>>>> - Add a static table to define the axis order for soem epsg codes
>>>>> (#3582)
>>>>>
>>>>> - Add possibility to use KML_NAME_ITEM (#3728)
>>>>>
>>>>> - Fixed mapfile parsing error when a label angle referenced an
>>>>> attribute
>>>>> (e.g. ANGLE [angle]) #3727
>>>>>
>>>>> - Removed executable flag on some source files (#3726)
>>>>>
>>>>> - Fixed SQL Spatial to be able to use UniqueIdentifier field as unique
>>>>> key (#3722)
>>>>>
>>>>> - Fix PHP Windows build (#3714)
>>>>>
>>>>> - Fixed --with-opengl build issue: Look for OpenGL libs under
>>>>> /usr/lib64 as
>>>>> well (#3724)
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> mapserver-dev mailing list
>>>>> mapserver-dev at lists.osgeo.org
>>>>> http://lists.osgeo.org/mailman/listinfo/mapserver-dev
>>>>
>>>
>>> _______________________________________________
>>> mapserver-dev mailing list
>>> mapserver-dev at lists.osgeo.org
>>> http://lists.osgeo.org/mailman/listinfo/mapserver-dev
>>>
>>
>
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>

-- 
Håvard Tveite
Department of Mathematical Sciences and Technology, UMB
Drøbakveien 31, POBox 5003, N-1432 Ås, NORWAY
Phone: +47 64965483 Fax: +47 64965401 http://www.umb.no/imt/

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