[mapserver-dev] MapServer 6.0.0-beta2 release

Tue Mar 22 11:32:24 EDT 2011

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/