[mapserver-dev] MapServer 6.0.0-beta2 release

Wed Mar 23 10:46:39 EDT 2011

Havard,
the problem should be fixed now. If you can easily try out trunk, I'd
be thankful if you could check that this is effectively the case.

thanks,
thomas

On Wed, Mar 23, 2011 at 15:41, Havard Tveite <havard.tveite at umb.no> wrote:
> 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
>>>>>
>>>>
>>>> _______________________________________________
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>>>>
>>>
>>
>> _______________________________________________
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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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