OK - got it ... rebuild-daily helps to solve this problem. Restart now looks like and it works again ...
Hope it helps you to fix these thing if it occurs on your system -frank here is the log - after the rebuild-daily and restart pi@raspberrypi:/etc/weewx $ sudo wee_database weewx.conf --rebuild-daily Using configuration file weewx.conf Using database binding 'wx_binding', which is bound to database 'archive_sqlite' All daily summaries will be rebuilt. Proceed (y/n)? y Rebuilding daily summaries in database 'weewx.sdb' ... Records processed: 205000; Last date: 2017-03-25 21:40:00 CET (1490474400) Processed 205044 records to rebuild 193 day summaries in 349.62 seconds Rebuild of daily summaries in database 'weewx.sdb' complete pi@raspberrypi:/etc/weewx $ sudo /etc/init.d/weewx restart;tail -f /var/log/ syslog [....] Restarting weewx (via systemctl): weewx.service. Mar 25 22:53:57 raspberrypi systemd[1]: Starting LSB: weewx weather system ... Mar 25 22:53:58 raspberrypi weewx[1303]: engine: Initializing weewx version 3.7.1 Mar 25 22:53:58 raspberrypi weewx[1303]: engine: Using Python 2.7.9 (default , Sep 17 2016, 20:26:04) #012[GCC 4.9.2] Mar 25 22:53:58 raspberrypi weewx[1303]: engine: Platform Linux-4.4.50-v7+- armv7l-with-debian-8.0 Mar 25 22:53:58 raspberrypi weewx[1303]: engine: Locale is 'de_DE.UTF-8' Mar 25 22:53:58 raspberrypi weewx[1303]: engine: pid file is /var/run/weewx. pid Mar 25 22:53:58 raspberrypi weewx[1308]: engine: Using configuration file / etc/weewx/weewx.conf Mar 25 22:53:58 raspberrypi weewx[1308]: engine: Loading station type WeatherLink (user.wlink) Mar 25 22:53:58 raspberrypi weewx[1292]: Starting weewx weather system: weewx. Mar 25 22:53:58 raspberrypi systemd[1]: Started LSB: weewx weather system. Mar 25 22:53:58 raspberrypi weewx[1308]: wlink: version is 0.11rc1 Mar 25 22:53:58 raspberrypi weewx[1308]: wlink: expecting HTML format 'B' Mar 25 22:53:58 raspberrypi weewx[1308]: wlink: polling interval is 60.0 Mar 25 22:53:58 raspberrypi weewx[1308]: engine: StdConvert target unit is 0x1 Mar 25 22:53:58 raspberrypi weewx[1308]: wxcalculate: The following values will be calculated: barometer=prefer_hardware, windchill=prefer_hardware, dewpoint=prefer_hardware, appTemp=prefer_hardware, rainRate=prefer_hardware, windrun=prefer_hardware, heatindex=prefer_hardware, maxSolarRad= prefer_hardware, humidex=prefer_hardware, pressure=prefer_hardware, inDewpoint=prefer_hardware, ET=prefer_hardware, altimeter=prefer_hardware, cloudbase=prefer_hardware Mar 25 22:53:58 raspberrypi weewx[1308]: wxcalculate: The following algorithms will be used for calculations: altimeter=aaNOAA, maxSolarRad=RS Mar 25 22:53:58 raspberrypi weewx[1308]: engine: Archive will use data binding wx_binding Mar 25 22:53:58 raspberrypi weewx[1308]: engine: Record generation will be attempted in 'hardware' Mar 25 22:53:59 raspberrypi weewx[1308]: engine: The archive interval in the configuration file (300) does not match the station hardware interval ( 60). Mar 25 22:53:59 raspberrypi weewx[1308]: engine: Using archive interval of 60 seconds (specified by hardware) Mar 25 22:53:59 raspberrypi weewx[1308]: engine: Using binding 'wx_binding' to database 'weewx.sdb' Mar 25 22:53:59 raspberrypi weewx[1308]: manager: Starting backfill of daily summaries Mar 25 22:53:59 raspberrypi weewx[1308]: restx: StationRegistry: Registration not requested. Mar 25 22:53:59 raspberrypi weewx[1308]: restx: Wunderground: Posting not enabled. Mar 25 22:53:59 raspberrypi weewx[1308]: restx: PWSweather: Posting not enabled. Mar 25 22:53:59 raspberrypi weewx[1308]: restx: CWOP: Posting not enabled. Mar 25 22:53:59 raspberrypi weewx[1308]: restx: WOW: Posting not enabled. Mar 25 22:53:59 raspberrypi weewx[1308]: restx: AWEKAS: Posting not enabled. Mar 25 22:53:59 raspberrypi weewx[1308]: restx: Weather365: service version is 1.0.2 Mar 25 22:53:59 raspberrypi weewx[1308]: restx: Weather365: Data will be uploaded for station id L25CDPSV95 Mar 25 22:53:59 raspberrypi weewx[1308]: engine: Starting up weewx version 3.7.1 Mar 25 22:53:59 raspberrypi weewx[1308]: engine: Starting main packet loop. Mar 25 22:56:09 raspberrypi weewx[1308]: cheetahgenerator: Generated 21 files for report StandardReport in 7.35 seconds Mar 25 22:56:09 raspberrypi rsyslogd-2007: action 'action 17' suspended, next retry is Sat Mar 25 22:56:39 2017 [try http://www.rsyslog.com/e/2007 ] Mar 25 22:56:34 raspberrypi weewx[1308]: imagegenerator: Generated 49 images for StandardReport in 24.60 seconds Mar 25 22:56:34 raspberrypi weewx[1308]: copygenerator: copied 9 files to / var/www/weewx Mar 25 22:56:45 raspberrypi weewx[1308]: cheetahgenerator: Generated 16 files for report exfoliation in 10.48 seconds Mar 25 22:56:45 raspberrypi rsyslogd-2007: action 'action 17' suspended, next retry is Sat Mar 25 22:57:15 2017 [try http://www.rsyslog.com/e/2007 ] Mar 25 22:57:19 raspberrypi wpa_supplicant[441]: wlan0: WPA: Group rekeying completed with 34:81:c4:d7:e2:b0 [GTK=TKIP] Mar 25 22:57:19 raspberrypi rsyslogd-2007: action 'action 17' suspended, next retry is Sat Mar 25 22:57:49 2017 [try http://www.rsyslog.com/e/2007 ] Mar 25 22:57:21 raspberrypi weewx[1308]: imagegenerator: Generated 68 images for exfoliation in 36.27 seconds Mar 25 22:57:21 raspberrypi weewx[1308]: copygenerator: copied 66 files to / var/www/weewx/exfoliation Mar 25 22:58:06 raspberrypi weewx[1308]: cheetahgenerator: Generated 14 files for report StandardReport in 1.67 seconds Mar 25 22:58:06 raspberrypi rsyslogd-2007: action 'action 17' suspended, next retry is Sat Mar 25 22:59:06 2017 [try http://www.rsyslog.com/e/2007 ] Mar 25 22:58:07 raspberrypi weewx[1308]: imagegenerator: Generated 12 images for StandardReport in 1.22 seconds Mar 25 22:58:07 raspberrypi weewx[1308]: copygenerator: copied 0 files to / var/www/weewx Mar 25 22:58:09 raspberrypi weewx[1308]: cheetahgenerator: Generated 8 files for report exfoliation in 1.68 seconds Mar 25 22:58:12 raspberrypi weewx[1308]: imagegenerator: Generated 18 images for exfoliation in 2.55 seconds Mar 25 22:58:12 raspberrypi weewx[1308]: copygenerator: copied 0 files to / var/www/weewx/exfoliation Mar 25 22:58:12 raspberrypi systemd[1]: Starting Cleanup of Temporary Directories... Mar 25 22:58:12 raspberrypi systemd[1]: Started Cleanup of Temporary Directories. Mar 25 23:00:02 raspberrypi dhcpcd[465]: wlan0: Router Advertisement from fe80::3681:c4ff:fed7:e2ae Mar 25 23:00:02 raspberrypi rsyslogd-2007: action 'action 17' suspended, next retry is Sat Mar 25 23:01:02 2017 [try http://www.rsyslog.com/e/2007 ] Mar 25 23:00:08 raspberrypi weewx[1308]: cheetahgenerator: Generated 14 files for report StandardReport in 1.70 seconds Mar 25 23:00:11 raspberrypi weewx[1308]: imagegenerator: Generated 12 images for StandardReport in 2.35 seconds Mar 25 23:00:11 raspberrypi weewx[1308]: copygenerator: copied 0 files to / var/www/weewx Mar 25 23:00:13 raspberrypi weewx[1308]: cheetahgenerator: Generated 8 files for report exfoliation in 2.21 seconds Mar 25 23:00:16 raspberrypi weewx[1308]: imagegenerator: Generated 18 images for exfoliation in 2.55 seconds Mar 25 23:00:16 raspberrypi weewx[1308]: copygenerator: copied 0 files to / var/www/weewx/exfoliation -- You received this message because you are subscribed to the Google Groups "weewx-user" group. 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