[mapserver-dev] mapcache segv when starting service

[thomas bonfort]

as Andreas hinted, please post the gdb backtrace when running in debug
mode. i.e.
gdb /usr/sbin/apache2
 > run -X
 > bt

--
thomas

On Mon, Apr 30, 2012 at 03:59, Stephen Woodbridge
<woodbri at swoodbridge.com> wrote:
> Some additional information:
>
> I tried this on my old Debian Lenny system and got a complaint that it could
> not find libmapcache.so.0 which is getting installed in /usr/local/bin so I
> added to /etc/apache2/envvars
>
> export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib
>
> and then got the segv that I was getting on Ubuntu. I added above to Ubuntu
> also but that did not change the behavior. Regardless, this might be
> something to mention in the INSTALL document.
>
> I also rebuilt mapcache with --enable-debug but it dies before it prints
> anything into the log files.
>
> -Steve
>
>
> On 4/29/2012 9:18 PM, Stephen Woodbridge wrote:
>>
>> Hi Thomas,
>>
>> I just cloned mapcache trunk and compiled it on Ubuntu 11.10 and tried
>> to configure it with the following mapcache xml and got a segv. Do any
>> of the directories need to be created ahead of time? How can I run this
>> in the debugger to get a backtrace? Nothing in the error.log file either.
>>
>> I pretty much followed the mapcache.xml and mapcache.xml.sample files to
>> create my mapcache.xml below.
>>
>> Let me know if you want a ticket with all this in it.
>>
>> Thanks,
>> -Steve
>>
>> swoodbridge at iMapTools-tiles:/u$ sudo chown -R www-data.www-data mapcache
>> swoodbridge at iMapTools-tiles:/u$ ls -al /u/mapcache/
>> total 12
>> drwxrwxr-x 2 www-data www-data 4096 2012-04-30 00:54 .
>> drwxr-xr-x 4 swoodbridge swoodbridge 4096 2012-04-29 13:49 ..
>> -rw-rw-r-- 1 www-data www-data 2209 2012-04-30 00:54 mapcache.xml
>>
>> swoodbridge at iMapTools-tiles:/u$ cat
>> /etc/apache2/mods-enabled/mapcache.conf
>> <IfModule mapcache_module>
>> <Directory /u/mapcache>
>> Order Allow,Deny
>> Allow from all
>> </Directory>
>> MapCacheAlias /mapcache "/u/mapcache/mapcache.xml"
>> </IfModule>
>>
>>
>> swoodbridge at iMapTools-tiles:/u$ sudo a2enmod mapcache
>> Enabling module mapcache.
>> To activate the new configuration, you need to run:
>> service apache2 restart
>> swoodbridge at iMapTools-tiles:/u$ sudo service apache2 restart
>> Segmentation fault
>> Action 'configtest' failed.
>> The Apache error log may have more information.
>> ...fail!
>>
>> swoodbridge at iMapTools-tiles:/u$ cat /u/mapcache/mapcache.xml
>> <?xml version="1.0" encoding="UTF-8"?>
>> <mapcache>
>> <metadata>
>> <title>iMaptools mapcache service</title>
>> <abstract>Contains various services for Tiger 2011 maps</abstract>
>> </metadata>
>>
>> <cache name="disk" type="disk">
>> <base>/u/mapcache</base>
>> <symlink_blank/>
>> </cache>
>>
>> <source name="tiger2011" type="wms">
>> <getmap>
>> <params>
>> <FORMAT>image/png</FORMAT>
>> <MAP_IMAGETYPE>agg_qn</MAP_IMAGETYPE>
>> <LAYERS>Tiger_2011</LAYERS>
>> </params>
>> </getmap>
>>
>> <http>
>> <url>http://localhost/cgi-bin/mapserv</url>
>> </http>
>> </source>
>>
>> <source name="tiger2011-streets" type="wms">
>> <getmap>
>> <params>
>> <FORMAT>image/png</FORMAT>
>> <MAP_IMAGETYPE>agg_qn</MAP_IMAGETYPE>
>> <LAYERS>streets</LAYERS>
>> <TRANSPARENT>true</TRANSPARENT>
>> </params>
>> </getmap>
>>
>> <http>
>> <url>http://localhost/cgi-bin/mapserv</url>
>> </http>
>> </source>
>>
>> <format name="PNGQ_FAST" type="PNG">
>> <compression>fast</compression>
>> <colors>256</colors>
>> </format>
>>
>> <format name="PNG_BEST" type="PNG">
>> <compression>best</compression>
>> </format>
>>
>> <tileset name="tiger-base">
>> <source>tiger2011</source>
>> <cache>disk</cache>
>> <grid>WGS84</grid>
>> <grid>g</grid>
>> <format>PNGQ_FAST</format>
>> <metatile>5 5</metatile>
>> <metabuffer>30</metabuffer>
>> <expires>3600</expires>
>> </tileset>
>>
>> <tileset name="tiger-streets">
>> <source>tiger2011-streets</source>
>> <cache>disk</cache>
>> <grid>WGS84</grid>
>> <grid>g</grid>
>> <format>PNGQ_FAST</format>
>> <metatile>5 5</metatile>
>> <metabuffer>30</metabuffer>
>> <expires>3600</expires>
>> </tileset>
>>
>> <default_format>PNGQ_FAST</default_format>
>>
>> <service type="wms" enable="true">
>> <full_wms>assemble</full_wms>
>> <resample_mode>bilinear</resample_mode>
>> <format>PNG</format>
>> <maxsize>4096</maxsize>
>> </service>
>> <service type="wmts" enabled="true"/>
>> <service type="tms" enabled="true"/>
>> <service type="kml" enabled="true"/>
>> <service type="gmaps" enabled="true"/>
>> <service type="ve" enabled="true"/>
>> <service type="demo" enabled="true"/>
>>
>> <errors>report</errors>
>> <lock_dir>/tmp</lock_dir>
>>
>> </mapcache>
>> _______________________________________________
>> mapserver-dev mailing list
>> mapserver-dev at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/mapserver-dev
>
>
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