[mapserver-dev] MapServer 6.0.0-beta2 release

Tue Mar 22 11:34:53 EDT 2011

Havard,
can you provide a debugger backtrace when mapserver crashes?

--
thomas

On Tue, Mar 22, 2011 at 16:32, Havard Tveite <havard.tveite at umb.no> 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
>
> --
> 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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