X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/a4e514033df5fbe3f494d757892589772a690cce..6f3339cc498592850218f8fc714dd45d66cd1815:/docs/admin/Faq.md diff --git a/docs/admin/Faq.md b/docs/admin/Faq.md index 2e5a7c43..d17a53ed 100644 --- a/docs/admin/Faq.md +++ b/docs/admin/Faq.md @@ -16,12 +16,27 @@ was killed. If it looks like this: then you can resume with the following command: ```sh -./utils/setup.php --index --create-search-indices --create-country-names +nominatim import --continue indexing ``` If the reported rank is 26 or higher, you can also safely add `--index-noanalyse`. +### PostgreSQL crashed "invalid page in block" + +Usually serious problem, can be a hardware issue, not all data written to disc +for example. Check PostgreSQL log file and search PostgreSQL issues/mailing +list for hints. + +If it happened during index creation you can try rerunning the step with + +```sh +nominatim import --continue indexing +``` + +Otherwise it's best to start the full setup from the beginning. + + ### PHP "open_basedir restriction in effect" warnings PHP Warning: file_get_contents(): open_basedir restriction in effect. @@ -38,7 +53,7 @@ by adding ";" at the beginning of the line. Don't forget to enable this setting again once you are done with the PHP command line operations. -### PHP timzeone warnings +### PHP timezeone warnings The Apache log may contain lots of PHP warnings like this: `PHP Warning: date_default_timezone_set() function.` @@ -64,11 +79,11 @@ When running the import you may get a version mismatch: pg_config seems to use bad includes sometimes when multiple versions of PostgreSQL are available in the system. Make sure you remove the -server development libraries (`postgresql-server-dev-9.5` on Ubuntu) +server development libraries (`postgresql-server-dev-13` on Ubuntu) and recompile (`cmake .. && make`). -## I see the error "ERROR: permission denied for language c" +### I see the error "ERROR: permission denied for language c" `nominatim.so`, written in C, is required to be installed on the database server. Some managed database (cloud) services like Amazon RDS do not allow @@ -78,7 +93,7 @@ on a non-managed machine. ### I see the error: "function transliteration(text) does not exist" -Reinstall the nominatim functions with `setup.php --create--functions` +Reinstall the nominatim functions with `nominatim refresh --functions` and check for any errors, e.g. a missing `nominatim.so` file. ### I see the error: "ERROR: mmap (remap) failed" @@ -93,7 +108,8 @@ vboxfs. ### nominatim UPDATE failed: ERROR: buffer 179261 is not owned by resource owner Portal -Several users [reported this](https://github.com/openstreetmap/Nominatim/issues/1168) during the initial import of the database. It's +Several users [reported this](https://github.com/openstreetmap/Nominatim/issues/1168) +during the initial import of the database. It's something PostgreSQL internal Nominatim doesn't control. And PostgreSQL forums suggest it's threading related but definitely some kind of crash of a process. Users reported either rebooting the server, different hardware or just trying @@ -105,22 +121,6 @@ The server cannot access your database. Add `&debug=1` to your URL to get the full error message. -### On CentOS the website shows "Could not connect to server" - -`could not connect to server: No such file or directory` - -On CentOS v7 the PostgreSQL server is started with `systemd`. Check if -`/usr/lib/systemd/system/httpd.service` contains a line `PrivateTmp=true`. If -so then Apache cannot see the `/tmp/.s.PGSQL.5432` file. It's a good security -feature, so use the -[preferred solution](../appendix/Install-on-Centos-7/#adding-selinux-security-settings). - -However, you can solve this the quick and dirty way by commenting out that line and then run - - sudo systemctl daemon-reload - sudo systemctl restart httpd - - ### Website reports "DB Error: insufficient permissions" The user the webserver, e.g. Apache, runs under needs to have access to the @@ -151,7 +151,8 @@ Example error message The PostgreSQL database, i.e. user `postgres`, needs to have access to that file. -The permission need to be read & executable by everybody, e.g. +The permission need to be read & executable by everybody, but not writeable +by everybody, e.g. ``` -rwxr-xr-x 1 nominatim nominatim 297984 build/module/nominatim.so @@ -159,8 +160,15 @@ The permission need to be read & executable by everybody, e.g. Try `chmod a+r nominatim.so; chmod a+x nominatim.so`. -When running SELinux, make sure that the -[context is set up correctly](../appendix/Install-on-Centos-7/#adding-selinux-security-settings). +When you recently updated your operating system, updated PostgreSQL to +a new version or moved files (e.g. the build directory) you should +recreate `nominatim.so`. Try + +``` + cd build + rm -r module/ + cmake $main_Nominatim_path && make +``` ### Setup.php fails with "DB Error: extension not found" @@ -171,36 +179,12 @@ See the installation instructions for a full list of required packages. ### I forgot to delete the flatnodes file before starting an import. That's fine. For each import the flatnodes file get overwritten. -See [https://help.openstreetmap.org/questions/52419/nominatim-flatnode-storage]() +See [https://help.openstreetmap.org/questions/52419/nominatim-flatnode-storage](https://help.openstreetmap.org/questions/52419/nominatim-flatnode-storage) for more information. ## Running your own instance -### Can I import multiple countries and keep them up to date? - -You should use the extracts and updates from https://download.geofabrik.de. -For the initial import, download the countries you need and merge them. -See [OSM Help](https://help.openstreetmap.org/questions/48843/merging-two-or-more-geographical-areas-to-import-two-or-more-osm-files-in-nominatim) -for examples how to do that. Use the resulting single osm file when -running `setup.php`. - -For updates you need to download the change files for each country -once per day and apply them **separately** using - - ./utils/update.php --import-diff --index - -See [this issue](https://github.com/openstreetmap/Nominatim/issues/60#issuecomment-18679446) -for a script that runs the updates using osmosis. - ### Can I import negative OSM ids into Nominatim? See [this question of Stackoverflow](https://help.openstreetmap.org/questions/64662/nominatim-flatnode-with-negative-id). - -### Missing XML or text declaration - -The website might show: `XML Parsing Error: XML or text declaration not at start of entity Location.` - -Make sure there are no spaces at the beginning of your `settings/local.php` file. - -