Postfix monitoring graphs are blank

The graphs for the Postfix application are blank. Any help you are able to provide is greatly appreciated.

Mail server to be monitored is Postfix
mail_version = 3.4.13

I run the following command to troubleshoot.

./poller.php -h mail1 -d

Load poller module applications

SQL[SELECT * FROM applications WHERE device_id = ? [383] 0.25ms]

SNMP[’/usr/bin/snmpbulkwalk’ ‘-v2c’ ‘-c’ ‘COMMUNITY’ ‘-Oqv’ ‘-M’ ‘/opt/librenms/mibs’ ‘udp:HOSTNAME:161’ ‘.1.3.6.1.4.1.8072.1.3.2.3.1.2.5.109.97.105.108.113’]
No Such Instance currently exists at this OID

Invalid snmp_walk() data = No Such Instance currently exists at this OID
SNMP[’/usr/bin/snmpbulkwalk’ ‘-v2c’ ‘-c’ ‘COMMUNITY’ ‘-Oqv’ ‘-M’ ‘/opt/librenms/mibs’ ‘udp:HOSTNAME:161’ ‘.1.3.6.1.4.1.8072.1.3.2.3.1.2.15.112.111.115.116.102.105.120.100.101.116.97.105.108.101.100’]
No Such Instance currently exists at this OID

Invalid snmp_walk() data = No Such Instance currently exists at this OID
RRD[update mail1/app-postfix-5.rrd N:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U:U --daemon unix:/var/run/rrdcached.sock]
SQL[UPDATE applications set app_state=?,app_status=?,timestamp=NOW() WHERE app_id = ? [“UNKNOWN”,"",5] 1.23ms]

SQL[SELECT * FROM application_metrics WHERE app_id=? [5] 0.35ms]

: …

Runtime for poller module ‘applications’: 0.0548 seconds with 24912 bytes
SNMP: [2/0.05s] MySQL: [3/0.00s] RRD: [2/0.00s]

Unload poller module applications

RRD[update mail1/poller-perf-applications.rrd N:0.054781913757324 --daemon unix:/var/run/rrdcached.sock]
Modules status: Global-
OS
Device
Module [ mib ] disabled globally.

Modules status: Global+
OS-
Device
Module [ stp ] disabled on os.

Modules status: Global+
OS
Device

Load poller module ntp

Runtime for poller module ‘ntp’: 0.0001 seconds with 400 bytes
SNMP: [0/0.00s] MySQL: [0/0.00s] RRD: [1/0.00s]

Unload poller module ntp

RRD[update mail1/poller-perf-ntp.rrd N:0.00011706352233887 --daemon unix:/var/run/rrdcached.sock]
Modules status: Global-
OS
Device
Module [ loadbalancers ] disabled globally.

Modules status: Global-
OS
Device
Module [ mef ] disabled globally.

Modules status: Global+
OS
Device

Load poller module mpls

Runtime for poller module ‘mpls’: 0.0003 seconds with 24112 bytes
SNMP: [0/0.00s] MySQL: [0/0.00s] RRD: [1/0.00s]

Unload poller module mpls

RRD[update mail1/poller-perf-mpls.rrd N:0.00034809112548828 --daemon unix:/var/run/rrdcached.sock]
RRD[update mail1/ping-perf.rrd N:1.57 --daemon unix:/var/run/rrdcached.sock]
RRD[update mail1/poller-perf.rrd N:1.814 --daemon unix:/var/run/rrdcached.sock]
Enabling graphs: SQL[select * from device_graphs where device_graphs.device_id = ? and device_graphs.device_id is not null [383] 0.32ms]

SQL[UPDATE devices set uptime=?,last_ping=NOW(),last_ping_timetaken=?,last_polled=NOW(),last_polled_timetaken=? WHERE device_id = ? [3387065,1.5700000000000001,1.8140000000000001,383] 3.46ms]

Updating mail1

Polled in 1.814 seconds

Start Device Groups

SQL[select * from devices where devices.device_id = ? limit 1 [383] 0.6ms]

SQL[select * from device_groups [] 0.27ms]

SQL[select devices.device_id, device_group_device.device_group_id as pivot_device_group_id, device_group_device.device_id as pivot_device_id from devices inner join device_group_device on devices.device_id = device_group_device.device_id where device_group_device.device_group_id in (1, 2, 3, 4) [] 0.79ms]

SQL[select exists(select * from devices where (devices.os REGEXP ?) and devices.device_id = ?) as exists [“Windows”,383] 0.23ms]

SQL[select exists(select * from devices where (devices.os = ?) and devices.device_id = ?) as exists [“Linux”,383] 0.2ms]

SQL[select exists(select * from devices where (devices.os = ?) and devices.device_id = ?) as exists [“VMware”,383] 0.2ms]

SQL[select * from device_group_device where device_group_device.device_id = ? [383] 0.33ms]

Groups Added:
Groups Removed:

End Device Groups, runtime: 0.0094s

Start Alerts

SQL[select exists(select * from alert_schedule where (start <= ? and end >= ? and (recurring = ? or (recurring = ? and ((time(start) < time(end) and time(start) <= ? and time(end) > ?) or (time(start) > time(end) and (time(end) <= ? or time(start) > ?))) and (recurring_day like ? or recurring_day is null)))) and (exists (select * from devices inner join alert_schedulables on devices.device_id = alert_schedulables.alert_schedulable_id where alert_schedule.schedule_id = alert_schedulables.schedule_id and alert_schedulables.alert_schedulable_type = ? and alert_schedulables.alert_schedulable_id = ?) or exists (select * from device_groups inner join alert_schedulables on device_groups.id = alert_schedulables.alert_schedulable_id where alert_schedule.schedule_id = alert_schedulables.schedule_id and alert_schedulables.alert_schedulable_type = ? and alert_schedulables.alert_schedulable_id in (?)) or exists (select * from locations inner join alert_schedulables on locations.id = alert_schedulables.alert_schedulable_id where alert_schedule.schedule_id = alert_schedulables.schedule_id and alert_schedulables.alert_schedulable_type = ? and alert_schedulables.alert_schedulable_id = ?))) as exists [“2021-09-21T19:55:27.785549Z”,“2021-09-21T19:55:27.785549Z”,0,1,“19:55:27”,“19:55:27”,“19:55:27”,“19:55:27”,"%",“device”,383,“device_group”,2,“location”,14] 0.56ms]

SQL[select * from devices where devices.device_id = ? limit 1 [383] 0.35ms]

SQL[SELECT DISTINCT a.* FROM alert_rules a
LEFT JOIN alert_device_map d ON a.id=d.rule_id AND (a.invert_map = 0 OR a.invert_map = 1 AND d.device_id = ?)
LEFT JOIN alert_group_map g ON a.id=g.rule_id AND (a.invert_map = 0 OR a.invert_map = 1 AND g.group_id IN (SELECT DISTINCT device_group_id FROM device_group_device WHERE device_id = ?))
LEFT JOIN alert_location_map l ON a.id=l.rule_id AND (a.invert_map = 0 OR a.invert_map = 1 AND l.location_id IN (SELECT DISTINCT location_id FROM devices WHERE device_id = ?))
LEFT JOIN device_group_device dg ON g.group_id=dg.device_group_id AND dg.device_id = ?
WHERE a.disabled = 0 AND (
(d.device_id IS NULL AND g.group_id IS NULL)
OR (a.invert_map = 0 AND (d.device_id=? OR dg.device_id=?))
OR (a.invert_map = 1 AND (d.device_id != ? OR d.device_id IS NULL) AND (dg.device_id != ? OR dg.device_id IS NULL))
) [383,383,383,383,383,383,383,383] 0.97ms]

Rule #1 (Devices up/down):
SQL[SELECT * FROM devices WHERE (devices.device_id = ?) AND (devices.status = 0 && (devices.disabled = 0 && devices.ignore = 0)) = 1 [383] 0.32ms]

SQL[SELECT state FROM alerts WHERE rule_id = ? AND device_id = ? ORDER BY id DESC LIMIT 1 [1,383] 0.19ms]

Status: NOCHG
Rule #12 (State Sensor Critical):
SQL[SELECT * FROM devices,sensors,sensors_to_state_indexes,state_indexes,state_translations WHERE (devices.device_id = ? AND devices.device_id = sensors.device_id AND sensors.sensor_id = sensors_to_state_indexes.sensor_id AND sensors_to_state_indexes.state_index_id = state_indexes.state_index_id AND state_indexes.state_index_id = state_translations.state_index_id) AND (sensors.sensor_current = state_translations.state_value && state_translations.state_generic_value = 2) = 1 [383] 0.5ms]

SQL[SELECT state FROM alerts WHERE rule_id = ? AND device_id = ? ORDER BY id DESC LIMIT 1 [12,383] 0.19ms]

Status: NOCHG

End Alerts

./poller.php mail1 2021-09-21 15:55:27 - 1 devices polled in 2.057 secs
SNMP [34/0.71s]: Get[8/0.17s] Getnext[4/0.06s] Walk[22/0.47s]
MySQL [35/0.04s]: Cell[3/0.00s] Row[-3/-0.00s] Rows[15/0.01s] Column[1/0.00s] Update[18/0.03s] Insert[1/0.00s] Delete[0/0.00s]
RRD [85/0.01s]: Update[85/0.01s]
-bash-4.2$

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