[mapserver-users] MapCache - failed to remove lockfile error
thomas bonfort
thomas.bonfort at gmail.com
Thu Oct 6 12:14:47 EDT 2011
I don't have a specific advice to give unfortunately. There have been
some fixes lately (macpcache only, not mod-geocache) to the way
multiple threads accessed the curl library that might help, so you
might want to try with a fresh checkout from the mapserver svn.
--
thomas
On Thu, Oct 6, 2011 at 18:08, Travis Kirstine <traviskirstine at gmail.com> wrote:
> Thomas,
>
> My command is below, I'm using a disk cache, my config file is below.
> I'm using a local copy of MapServer for the source image generation
>
>
> ./geocache_seed -c ../geocache.xml -t ms_tileset_8 -z 0,21 -e
> -8895580.772,5411569.158,-8797157.196,5538966.276 -n 6
>
>
> <?xml version="1.0" encoding="UTF-8"?>
> <geocache>
>
> <metadata>
> <title>geocache service esx11</title>
> <abstract>mod-geocache service</abstract>
> <!-- url>http://mysuperhost/proxy/to/geocache</url -->
> </metadata>
>
> <grid name="googlemaps_grid">
> <metadata>
> <title>GoogleMapsCompatible</title>
> <WellKnownScaleSet>urn:ogc:def:wkss:OGC:1.0:GoogleMapsCompatible</WellKnownScaleSet>
> </metadata>
> <extent>-20037508.3427892480 -20037508.3427892480
> 20037508.3427892480 20037508.3427892480</extent>
> <srs>EPSG:3857</srs>
> <srsalias>EPSG:900913</srsalias>
> <units>m</units>
> <size>256 256</size>
> <resolutions>156543.0339280410 78271.51696402048
> 39135.75848201023 19567.87924100512 9783.939620502561
> 4891.969810251280 2445.984905125640 1222.992452562820
> 611.4962262814100 305.7481131407048 152.8740565703525
> 76.43702828517624 38.21851414258813 19.10925707129406
> 9.554628535647032 4.777314267823516 2.388657133911758
> 1.194328566955879 0.5971642834779395 0.29858214173896975
> 0.149291070869484875 0.0746455354347424375</resolutions>
> </grid>
>
> <cache name="disk" type="disk">
> <base>/var/mod-geocache/caches</base>
> <symlink_blank/>
> </cache>
>
> <format name="PNGQ_FAST" type ="PNG">
> <compression>fast</compression> <!-- fast or best -->
> <colors>256</colors>
> </format>
> <format name="myjpeg" type ="JPEG">
> <quality>75</quality>
> </format>
> <format name="PNG_BEST" type ="PNG">
> <compression>best</compression>
> </format>
> <format name="mixed" type="MIXED">
> <transparent>PNG_BEST</transparent>
> <opaque>JPEG</opaque>
> </format>
>
> <source name="ms_wms" type="wms">
> <getmap>
> <params>
> <FORMAT>image/png</FORMAT>
> <LAYERS>YORK2009</LAYERS>
> <TRANSPARENT>true</TRANSPARENT>
> </params>
> </getmap>
> <http>
> <url>http://localhost.jdbarnes.com/cgi-bin/ms_wms</url>
> </http>
> </source>
>
> <tileset name="ms_tileset_8">
> <source>ms_wms</source>
> <cache>disk</cache>
> <!--grid restricted_extent="-79.8205259 43.7179074 -79.1161194
> 44.4110187">WGS84</grid-->
> <grid>googlemaps_grid</grid>
> <format>mixed</format>
> <metatile>8 8</metatile>
> <metabuffer>0</metabuffer>
> </tileset>
>
> <default_format>JPEG</default_format>
>
> <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>/var/mod-geocache/caches</lock_dir>
>
> </geocache>
>
> On 6 October 2011 10:31, thomas bonfort <thomas.bonfort at gmail.com> wrote:
>> what seed command were you using, and what kind of cache ?
>>
>> On Thu, Oct 6, 2011 at 15:52, Travis Kirstine <traviskirstine at gmail.com> wrote:
>>> Thanks Thomas,
>>>
>>> The complete error message is below. Do you have any idea what would
>>> cause this error - why would mapcache fail to create or delete the
>>> lockfile.
>>>
>>>
>>>
>>> seeding tile 583296 1337304 21failed to remove lockfile
>>> /var/mod-geocache/cachesseeding tile 583304 1337296 21failed to remove
>>> lockfile /var/mod-geocache/caches/_gc_lock-21-167156-72919-ms_tileset_8:
>>> No such file or directoryfailed to remove lockfile
>>> /var/mod-geocache/caches/_gc_lock-21-167157-72919-ms_tileset_8: No
>>> such file or directoryfailed to remove lockfile
>>> /var/mod-geocache/caches/_gc_lock-20-83579-36459-ms_tileset_8: No such
>>> file or directoryfailed to remove lockfile
>>> /var/mod-geocache/caches/_gc_lock-21-167156-72918-ms_tileset_8: No
>>> such file or directoryfailed to remove lockfile
>>> /var/mod-geocache/caches/_gc_lock-21-167159-72918-ms_tileset_8: No
>>> such file or directoryfailed to remove lockfile
>>> /var/mod-geocache/caches/_gc_lock-21-167158-72918-ms_tileset_8: No
>>> such file or directoryfailed to remove lockfile
>>> /var/mod-geocache/caches/_gc_lock-21-167159-72919-ms_tileset_8: No
>>> such file or directoryfailed to remove lockfile
>>> /var/mod-geocache/caches/_gc_lock-18-20895-9114-ms_tileset_8: No such
>>> file or directoryfailed to remove lockfile
>>> /var/mod-geocache/caches/_gc_lock-21-167158-72919-ms_tileset_8: No
>>> such file or directory
>>>
>>>
>>> Regards
>>>
>>>
>>> On 6 October 2011 09:11, thomas bonfort <thomas.bonfort at gmail.com> wrote:
>>>> The log message should be more explicit, and contain the reason of the
>>>> unsuccessful removal. In any case, looking at the code, this error
>>>> will have interrupted the seeding process.
>>>>
>>>> regards,
>>>> thomas
>>>>
>>>> On Thu, Oct 6, 2011 at 15:03, Travis Kirstine <traviskirstine at gmail.com> wrote:
>>>>> Hi All,
>>>>> I hope this is the right spot to post MapCache questions. I had
>>>>> seeded a large area and receive the error "failed to remove lockfile".
>>>>> It appears that this error(s) happens at the end of the seeding but
>>>>> it is hard tell as the process has been running for a few days. Does
>>>>> this error kill the seeder process or is it simply a warning?
>>>>>
>>>>> Regards
>>>>> _______________________________________________
>>>>> mapserver-users mailing list
>>>>> mapserver-users at lists.osgeo.org
>>>>> http://lists.osgeo.org/mailman/listinfo/mapserver-users
>>>>>
>>>>
>>>
>>
>
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