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#### Description If the query failed, the result set should not be parsed and used. This results in an empty result set which will most likely lead to unwanted behavior.

Background: While troubleshooting, we detected that domain.reload actually replaces domains with an empty result set if mongodb connectivity fails.

``` DEBUG: db_mongodb [mongodb_dbase.c:849]: db_mongodb_store_result(): An error occurred: No suitable servers found (`serverSelectionTryOnce` set): [connection timeout calling ismaster on 'pdb-iop1-wrmg-2:27017'] [connection timeout calling ismaster on 'pdb-iop1-wrmg-1:27017'] DEBUG: domain [domain.c:365]: reload_tables(): number of rows in domain_attrs table: 0 DEBUG: <core> [db_res.c:79]: db_free_columns(): freeing 0 columns DEBUG: <core> [db_res.c:138]: db_free_result(): freeing result set at 0x7fb0c9811848 DEBUG: db_mongodb [mongodb_dbase.c:973]: db_mongodb_query(): query to collection [domains] DEBUG: db_mongodb [mongodb_dbase.c:1007]: db_mongodb_query(): query filter: { } DEBUG: db_mongodb [mongodb_dbase.c:1043]: db_mongodb_query(): columns filter: { "projection" : { "domain" : 1, "did" : 1 } } ``` You can view, comment on, or merge this pull request online at:

https://github.com/kamailio/kamailio/pull/3996

-- Commit Summary --

* mongodb: fix cursor error resulting empty result set

-- File Changes --

M src/modules/db_mongodb/mongodb_dbase.c (1)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/3996.patch https://github.com/kamailio/kamailio/pull/3996.diff