Passive check not working giving stale warning

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Re: Passive check not working giving stale warning

Postby tijov05 » Tue Jan 09, 2018 11:13 pm

Code: Select all
root@client01:/usr/local/ncpa/etc# ls -l
total 20
-rw-r--r-- 1 nagios nagios 7484 Jan  5 09:32 ncpa.cfg
drwxr-xr-x 2 nagios nagios 4096 Jan  5 10:05 ncpa.cfg.d
-rw-r--r-- 1 nagios nagios 7388 Dec 21 16:15 ncpa.cfg.sample
root@client01:/usr/local/ncpa/etc# cat ncpa.cfg
#
#   NCPA Main Config File
#   ---------------------
#

#
# -------------------------------
# General Configuration
# -------------------------------
#

[general]

#
# Check logging is on by default, you can disable it if you do not want to record
# the check requests that are coming in or checks being sent over NRDP.
# Default: check_logging = 1
#
check_logging = 1

#
# Check logging time - how long in DAYS you'd like to keep checks in the database.
# Default: 30
#
check_logging_time = 30

#
# Excluded file system types removes these fs types from the disk metrics
# (This is mostly only noteable on UNIX systems but also works on Windows if you need it)
# Default: aufs,autofs,binfmt_misc,cifs,cgroup,debugfs,devpts,devtmpfs,encryptfs,
#          efivarfs,fuse,hugelbtfs,mqueue,nfs,overlayfs,proc,pstore,rpc_pipefs,
#          securityfs,smb,sysfs,tmpfs,tracefs
#
exclude_fs_types = aufs,autofs,binfmt_misc,cifs,cgroup,debugfs,devpts,devtmpfs,encryptfs,efivarfs,fuse,hugelbtfs,mqueue                           ,nfs,overlayfs,proc,pstore,rpc_pipefs,securityfs,smb,sysfs,tmpfs,tracefs

#
# The default unit to convert bytes (B) into if no unit is specified
# (Gi = 1024 MiB, G = 1000 MB)
#
default_units = Gi

#
# -------------------------------
# Listener Configuration (daemon)
# -------------------------------
#

[listener]

#
# User and group to run plugins as (recommended to use nagios:nagios)
# Default: uid = nagios
# Default: gid = nagios
#
# ** Note - The daemon runs as root, but forks a child process when running a plugin
#    that is defined by the user, for security reasons. However, without the main daemon
#    running as root, much of the system information would be missing. This is typical behavior. **
#
# This is for Unix only (Linux, Mac OS X, etc)
#
uid = nagios
gid = nagios

#
# IP address and port number for the Listener to use for the web GUI and API
# Default: ip = 0.0.0.0
# Default: port = 5693
#
ip = 0.0.0.0
port = 5693

#
# SSL connection and certificate config (if an SSL option is not available on some older
# operating systems it will default back to TLSv1)
# ssl_version options: TLSv1, TLSv1_1, TLSv1_2
#
ssl_version = TLSv1_2
certificate = adhoc

#
# Listener logging file level, location, and the PID location
# Default: loglevel = info (debug, info, warning, error)
# Default: logfile = var/log/ncpa_listener.log
# Default: pidfile = var/run/ncpa_listener.pid (leave listener in pid file name)
#
loglevel = debug
logfile = var/log/ncpa_listener.log
pidfile = var/run/ncpa_listener.pid

#
# Delay the listener (API & web GUI) from starting in seconds
# Default: 0
#
# delay_start = 30

#
# Allow admin functionality in the web GUI. When this is set to 0, the admin section will not
# be displayed in the header and will not be available to be accessed.
# Default: 1
#
admin_gui_access = 1

#
# Admin password for the admin section in the web GUI, by default there is no admin
# password and the admin section of the GUI can be accessed by anyone if admin_gui_access is set to 1.
# Default: None
#
# Note: Setting this value to 'None' will automatically log you in, setting it empty will allow you to
# log in using a blank password.
#
admin_password = None

#
# Require admin password to access ALL of the web GUI.
# This does not affect API access via token (community_string).
# Default: 0
#
admin_auth_only = 0

#
# -------------------------------
# Listener Configuration (API)
# -------------------------------
#

[api]

#
# The token that will be used to log into the basic web GUI (API browser, graphs, top charts, etc)
# and to authenticate requests to the API and requests through check_ncpa.py
#
community_string = efb46ftdfu74

#
# -------------------------------
# Passive Configuration (daemon)
# -------------------------------
#

[passive]

#
# Handlers are a comma separated list of what you would like the passive agent to run
# Default: None
# Options:
#   nrds, nrdp, kafkaproducer
#
# Example:
# handlers = nrds,nrdp,kafkaproducer
#
handlers = None

#
# User and group to run passive checks as (Recommended to use nagios:nagios)
# Default: uid = nagios
# Default: gid = nagios
#
uid = nagios
gid = nagios

#
# Passive check interval - the amount in seconds to wait between each passive check by default,
# this can be overwritten by adding on a "|<duration>" in seconds to the passive check config
# Default: 300 (5 minutes)
#
sleep = 60

#
# Passive logging file level, location, and the PID location
# Default: loglevel = info (debug, info, warning, error)
# Default: logfile = var/log/ncpa_passive.log
# Default: pidfile = var/run/ncpa_passive.pid (leave passive in pid file name)
#
loglevel = debug
logfile = var/log/ncpa_passive.log
pidfile = var/run/ncpa_passive.pid

#
# Delay passive checks from starting in seconds
# Default: 0
#
# delay_start = 30

#
# -------------------------------
# Passive Configuration (NRDP)
# -------------------------------
#

[nrdp]

#
# Connection settings to the NRDP server
# parent = NRDP server location (ex: http://<address>/nrdp)
# token = NRDP server token used to send NRDP results
#
parent = https://10.34.0.75/nrdp/
token = efb46ftdfu74

#
# The hostname that will replace %HOSTNAME% in the check definitions and will be
# sent to NRDP with the check name as the service description (service name)
#
hostname = client01

#
# -------------------------------
# Passive Configuration (NRDS)
# -------------------------------
#

[nrds]

#
# NRDS CONFIGURATION DOES NOT WORK YET. MORE TO COME IN VERSION 2.1.0.
#

#
# NRDS connection information
#
url =
token =
config_name =
config_version =
update_config = 1
update_plugins = 1

[kafkaproducer]

#
# -------------------------------
# Passive Configuration (Kafka)
# -------------------------------
#

hostname = None
servers = localhost:9092
clientname = NCPA-Kafka
topic = ncpa

#
# -------------------------------
# Plugin Configuration
# -------------------------------
#

[plugin directives]

#
# Plugin path where all plugins will be ran from.
#
plugin_path = plugins/

#
# Plugin execution timeout in seconds. Different than the check_ncpa.py timeout, which is
# normally for network connection issues. Will return a CRITICAL value and error when the plugin
# reaches the defined max execution timeout and kills the process.
# Default: 60
#
# plugin_timeout = 60

#
# Extensions for plugins
# ----------------------
# The extension for the plugin denotes how NCPA will try to run the plugin. Use this
# for setting how you want to run the plugin in the command line.
#
# NOTE: Plugins without an extension will be ran in the cmdline as follows:
#       $plugin_name $plugin_args
#
# Defaults:
# .sh = /bin/sh $plugin_name $plugin_args
# .py = python $plugin_name $plugin_args
# .ps1 = powershell -ExecutionPolicy Bypass -File $plugin_name $plugin_args
# .vbs = cscript $plugin_name $plugin_args //NoLogo
# .bat = cmd /c $plugin_name $plugin_args
#
# Since windows NCPA is 32-bit, if you need to use 64-bit powershell, try the following for
# the powershell plugin definition:
# .ps1 = c:\windows\sysnative\windowspowershell\v1.0\powershell.exe -ExecutionPolicy Unrestricted -File $plugin_name $p                           lugin_args
#

# Linux / Mac OS X
.sh = /bin/sh $plugin_name $plugin_args
.py = python $plugin_name $plugin_args

# Windows
.ps1 = powershell -ExecutionPolicy Bypass -File $plugin_name $plugin_args
.vbs = cscript $plugin_name $plugin_args //NoLogo
.wsf = cscript $plugin_name $plugin_args //NoLogo
.bat = cmd /c $plugin_name $plugin_args
root@client01:/usr/local/ncpa/etc#

Code: Select all
root@client01:/usr/local/ncpa/etc# cd ncpa.cfg.d
root@client01:/usr/local/ncpa/etc/ncpa.cfg.d# ls -l
total 12
-rw-r--r-- 1 nagios nagios 510 Dec 21 16:15 example.cfg
-rw-r--r-- 1 nagios nagios 697 Jan  5 10:05 nrdp.cfg
-rw-r--r-- 1 nagios nagios 100 Dec 21 16:15 README.txt
root@client01:/usr/local/ncpa/etc/ncpa.cfg.d# cat nrdp.cfg
#
#       Basic example of Passive checks being defined
#

[passive checks]

%HOSTNAME%|__HOST__ = system/agent_version
%HOSTNAME%|Uptime|60 = system/uptime
%HOSTNAME%|CPU Usage|30 = cpu/percent --warning 80 --critical 90 --aggregate avg
%HOSTNAME%|Memory Usage|30 = memory/virtual --warning 80 --critical 90 --units Gi
%HOSTNAME%|Swap Usage|60 = memory/swap --warning 80 --critical 90 --units Gi
%HOSTNAME%|Process Count|30 = processes --warning 400 --critical 500
%HOSTNAME%|Disk Used root|60 = disk/logical/|/used_percent --warning 80 --critical 90
%HOSTNAME%|NCPA Listener|60 = services?service=ncpa_listener&status=running
%HOSTNAME%|NCPA Passive|60 = services?service=ncpa_passive&status=running
root@client01:/usr/local/ncpa/etc/ncpa.cfg.d#
tijov05
 
Posts: 2
Joined: Tue Jan 09, 2018 1:29 am

Re: Passive check not working giving stale warning

Postby dpa.clt » Wed Jan 10, 2018 12:14 am

Please find the ncpa information below

root@client01:/usr/local/ncpa/etc# cat ncpa.cfg |grep -v '#'


[general]

check_logging = 1

check_logging_time = 30

exclude_fs_types = aufs,autofs,binfmt_misc,cifs,cgroup,debugfs,devpts,devtmpfs,encryptfs,efivarfs,fuse,hugelbtfs,mqueue,nfs,overlayfs,proc,pstore,rpc_pipefs,securityfs,smb,sysfs,tmpfs,tracefs

default_units = Gi


[listener]

uid = nagios
gid = nagios

ip = 0.0.0.0
port = 5693

ssl_version = TLSv1_2
certificate = adhoc

loglevel = debug
logfile = var/log/ncpa_listener.log
pidfile = var/run/ncpa_listener.pid


admin_gui_access = 1

admin_password = None

admin_auth_only = 0


[api]

community_string = xxxxxx


[passive]

handlers = nrdp

uid = nagios
gid = nagios

sleep = 60

loglevel = debug
logfile = var/log/ncpa_passive.log
pidfile = var/run/ncpa_passive.pid



[nrdp]

parent = https://10.x.x.x./nrdp/
token = xxxxxx

hostname = client01


[nrds]


url =
token =
config_name =
config_version =
update_config = 1
update_plugins = 1

[kafkaproducer]


hostname = None
servers = localhost:9092
clientname = NCPA-Kafka
topic = ncpa


[plugin directives]

plugin_path = plugins/



.sh = /bin/sh $plugin_name $plugin_args
.py = python $plugin_name $plugin_args

.ps1 = powershell -ExecutionPolicy Bypass -File $plugin_name $plugin_args
.vbs = cscript $plugin_name $plugin_args //NoLogo
.wsf = cscript $plugin_name $plugin_args //NoLogo
.bat = cmd /c $plugin_name $plugin_args

root@client01:/usr/local/ncpa/etc/ncpa.cfg.d# cat nrdp.cfg |grep -v '#'

[passive checks]

%HOSTNAME%|__HOST__ = system/agent_version
%HOSTNAME%|Uptime|60 = system/uptime
%HOSTNAME%|CPU Usage|30 = cpu/percent --warning 80 --critical 90 --aggregate avg
%HOSTNAME%|Memory Usage|30 = memory/virtual --warning 80 --critical 90 --units Gi
%HOSTNAME%|Swap Usage|60 = memory/swap --warning 80 --critical 90 --units Gi
%HOSTNAME%|Process Count|30 = processes --warning 400 --critical 500
%HOSTNAME%|Disk Used root|60 = disk/logical/|/used_percent --warning 80 --critical 90
%HOSTNAME%|NCPA Listener|60 = services?service=ncpa_listener&status=running
%HOSTNAME%|NCPA Passive|60 = services?service=ncpa_passive&status=running
root@client01:/usr/local/ncpa/etc/ncpa.cfg.d#
dpa.clt
 
Posts: 11
Joined: Tue Jan 02, 2018 4:42 am

Re: Passive check not working giving stale warning

Postby dpa.clt » Wed Jan 10, 2018 12:30 am

Also please note that we have not written any external commands for check dummy !0 or check dummy!2
Please find ncpa_passive log as below

2018-01-10 06:37:39,698 3386 INFO Running check: services?service=ncpa_listener&status=running
2018-01-10 06:37:39,745 3386 INFO Running check: services?service=ncpa_passive&status=running
2018-01-10 06:37:39,796 3386 ERROR no element found: line 1, column 0
Traceback (most recent call last):
File "/root/ncpa/agent/passive/nrdp.py", line 198, in submit_to_nagios
File "/root/ncpa/agent/passive/nrdp.py", line 145, in log_result
File "/usr/local/lib/python2.7/xml/dom/minidom.py", line 1928, in parseString
File "/usr/local/lib/python2.7/xml/dom/expatbuilder.py", line 940, in parseString
File "/usr/local/lib/python2.7/xml/dom/expatbuilder.py", line 223, in parseString
ExpatError: no element found: line 1, column 0
2018-01-10 06:37:44,806 3386 INFO Running check: cpu/percent --warning 80 --critical 90 --aggregate avg
2018-01-10 06:37:45,329 3386 INFO Running check: memory/virtual --warning 80 --critical 90 --units Gi
2018-01-10 06:37:45,346 3386 INFO Running check: processes --warning 400 --critical 500
2018-01-10 06:37:45,435 3386 ERROR no element found: line 1, column 0
Traceback (most recent call last):
File "/root/ncpa/agent/passive/nrdp.py", line 198, in submit_to_nagios
File "/root/ncpa/agent/passive/nrdp.py", line 145, in log_result
File "/usr/local/lib/python2.7/xml/dom/minidom.py", line 1928, in parseString
File "/usr/local/lib/python2.7/xml/dom/expatbuilder.py", line 940, in parseString
File "/usr/local/lib/python2.7/xml/dom/expatbuilder.py", line 223, in parseString
ExpatError: no element found: line 1, column 0



Not sure what we are missing .Kindly suggest
dpa.clt
 
Posts: 11
Joined: Tue Jan 02, 2018 4:42 am

Re: Passive check not working giving stale warning

Postby tijov05 » Wed Jan 10, 2018 1:53 am

Code: Select all
root@client01:/usr/local/ncpa/var/log# tail -1000 ncpa_passive.log
2018-01-10 06:21:19,356 2904 INFO Running check: services?service=ncpa_passive&status=running
2018-01-10 06:21:19,413 2904 ERROR no element found: line 1, column 0
Traceback (most recent call last):
  File "/root/ncpa/agent/passive/nrdp.py", line 198, in submit_to_nagios
  File "/root/ncpa/agent/passive/nrdp.py", line 145, in log_result
  File "/usr/local/lib/python2.7/xml/dom/minidom.py", line 1928, in parseString
  File "/usr/local/lib/python2.7/xml/dom/expatbuilder.py", line 940, in parseString
  File "/usr/local/lib/python2.7/xml/dom/expatbuilder.py", line 223, in parseString
ExpatError: no element found: line 1, column 0
2018-01-10 06:21:45,467 2904 INFO Running check: cpu/percent --warning 80 --critical 90 --aggregate avg
2018-01-10 06:21:45,987 2904 INFO Running check: memory/virtual --warning 80 --critical 90 --units Gi
2018-01-10 06:21:46,004 2904 INFO Running check: processes --warning 400 --critical 500
2018-01-10 06:21:46,104 2904 ERROR no element found: line 1, column 0
Traceback (most recent call last):
  File "/root/ncpa/agent/passive/nrdp.py", line 198, in submit_to_nagios
  File "/root/ncpa/agent/passive/nrdp.py", line 145, in log_result
  File "/usr/local/lib/python2.7/xml/dom/minidom.py", line 1928, in parseString
  File "/usr/local/lib/python2.7/xml/dom/expatbuilder.py", line 940, in parseString
  File "/usr/local/lib/python2.7/xml/dom/expatbuilder.py", line 223, in parseString
ExpatError: no element found: line 1, column 0
2018-01-10 06:22:16,162 2904 INFO Running check: cpu/percent --warning 80 --critical 90 --aggregate avg
2018-01-10 06:22:16,677 2904 INFO Running check: memory/virtual --warning 80 --critical 90 --units Gi
2018-01-10 06:22:16,690 2904 INFO Running check: processes --warning 400 --critical 500
2018-01-10 06:22:16,777 2904 ERROR no element found: line 1, column 0
Traceback (most recent call last):
  File "/root/ncpa/agent/passive/nrdp.py", line 198, in submit_to_nagios
  File "/root/ncpa/agent/passive/nrdp.py", line 145, in log_result
  File "/usr/local/lib/python2.7/xml/dom/minidom.py", line 1928, in parseString
  File "/usr/local/lib/python2.7/xml/dom/expatbuilder.py", line 940, in parseString
  File "/usr/local/lib/python2.7/xml/dom/expatbuilder.py", line 223, in parseString
ExpatError: no element found: line 1, column 0
2018-01-10 06:22:19,783 2904 INFO Running check: system/uptime
2018-01-10 06:22:19,796 2904 INFO Running check: memory/swap --warning 80 --critical 90 --units Gi
2018-01-10 06:22:19,809 2904 INFO Running check: disk/logical/|/used_percent --warning 80 --critical 90
2018-01-10 06:22:19,820 2904 INFO Running check: services?service=ncpa_listener&status=running
2018-01-10 06:22:19,864 2904 INFO Running check: services?service=ncpa_passive&status=running
2018-01-10 06:22:19,919 2904 ERROR no element found: line 1, column 0
Traceback (most recent call last):
  File "/root/ncpa/agent/passive/nrdp.py", line 198, in submit_to_nagios
  File "/root/ncpa/agent/passive/nrdp.py", line 145, in log_result
  File "/usr/local/lib/python2.7/xml/dom/minidom.py", line 1928, in parseString
  File "/usr/local/lib/python2.7/xml/dom/expatbuilder.py", line 940, in parseString
  File "/usr/local/lib/python2.7/xml/dom/expatbuilder.py", line 223, in parseString
ExpatError: no element found: line 1, column 0
2018-01-10 06:22:46,971 2904 INFO Running check: cpu/percent --warning 80 --critical 90 --aggregate avg
2018-01-10 06:22:47,653 2904 INFO Running check: memory/virtual --warning 80 --critical 90 --units Gi
2018-01-10 06:22:47,670 2904 INFO Running check: processes --warning 400 --critical 500
2018-01-10 06:22:47,756 2904 ERROR no element found: line 1, column 0
Traceback (most recent call last):
  File "/root/ncpa/agent/passive/nrdp.py", line 198, in submit_to_nagios
  File "/root/ncpa/agent/passive/nrdp.py", line 145, in log_result
  File "/usr/local/lib/python2.7/xml/dom/minidom.py", line 1928, in parseString
  File "/usr/local/lib/python2.7/xml/dom/expatbuilder.py", line 940, in parseString
  File "/usr/local/lib/python2.7/xml/dom/expatbuilder.py", line 223, in parseString
ExpatError: no element found: line 1, column 0
2018-01-10 06:23:17,815 2904 INFO Running check: cpu/percent --warning 80 --critical 90 --aggregate avg
2018-01-10 06:23:18,331 2904 INFO Running check: memory/virtual --warning 80 --critical 90 --units Gi
2018-01-10 06:23:18,345 2904 INFO Running check: processes --warning 400 --critical 500
2018-01-10 06:23:18,439 2904 ERROR no element found: line 1, column 0
Traceback (most recent call last):
  File "/root/ncpa/agent/passive/nrdp.py", line 198, in submit_to_nagios
  File "/root/ncpa/agent/passive/nrdp.py", line 145, in log_result
  File "/usr/local/lib/python2.7/xml/dom/minidom.py", line 1928, in parseString
  File "/usr/local/lib/python2.7/xml/dom/expatbuilder.py", line 940, in parseString
  File "/usr/local/lib/python2.7/xml/dom/expatbuilder.py", line 223, in parseString
ExpatError: no element found: line 1, column 0
2018-01-10 06:23:20,443 2904 INFO Running check: system/uptime
2018-01-10 06:23:20,461 2904 INFO Running check: memory/swap --warning 80 --critical 90 --units Gi
2018-01-10 06:23:20,476 2904 INFO Running check: disk/logical/|/used_percent --warning 80 --critical 90
2018-01-10 06:23:20,488 2904 INFO Running check: services?service=ncpa_listener&status=running
2018-01-10 06:23:20,531 2904 INFO Running check: services?service=ncpa_passive&status=running
2018-01-10 06:23:20,587 2904 ERROR no element found: line 1, column 0
Traceback (most recent call last):
  File "/root/ncpa/agent/passive/nrdp.py", line 198, in submit_to_nagios
  File "/root/ncpa/agent/passive/nrdp.py", line 145, in log_result
  File "/usr/local/lib/python2.7/xml/dom/minidom.py", line 1928, in parseString
  File "/usr/local/lib/python2.7/xml/dom/expatbuilder.py", line 940, in parseString
  File "/usr/local/lib/python2.7/xml/dom/expatbuilder.py", line 223, in parseString
ExpatError: no element found: line 1, column 0
2018-01-10 06:23:48,641 2904 INFO Running check: cpu/percent --warning 80 --critical 90 --aggregate avg
2018-01-10 06:23:49,155 2904 INFO Running check: memory/virtual --warning 80 --critical 90 --units Gi
2018-01-10 06:23:49,172 2904 INFO Running check: processes --warning 400 --critical 500
2018-01-10 06:23:49,259 2904 ERROR no element found: line 1, column 0
Traceback (most recent call last):
tijov05
 
Posts: 2
Joined: Tue Jan 09, 2018 1:29 am

Re: Passive check not working giving stale warning

Postby dpa.clt » Wed Jan 10, 2018 4:10 am

@npolovenko @Box293 Thanks a lot for your guidance .
We were able to fix the passive check issue by installing apt-get install php-simplexml package .
And now passive check is working as expected .

Thanks again :D
dpa.clt
 
Posts: 11
Joined: Tue Jan 02, 2018 4:42 am

Re: Passive check not working giving stale warning

Postby tgriep » Wed Jan 10, 2018 4:02 pm

@dpa.clt, thanks for posting your results and that the issue is solved.
@tijov05, can you install the same package of your system and see if that fixes the issue for you?
Be sure to check out our Knowledgebase for helpful articles and solutions!
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tgriep
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Re: Passive check not working giving stale warning

Postby Box293 » Wed Jan 10, 2018 5:54 pm

dpa.clt wrote:We were able to fix the passive check issue by installing apt-get install php-simplexml package .


@dpa.clt what operating system and version did you install php-simplexml on? I wanted to document this in a KB article.
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Box293
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Location: Deniliquin, Australia

Re: Passive check not working giving stale warning

Postby dpa.clt » Wed Jan 10, 2018 11:13 pm

Box293 wrote:
dpa.clt wrote:We were able to fix the passive check issue by installing apt-get install php-simplexml package .


@dpa.clt what operating system and version did you install php-simplexml on? I wanted to document this in a KB article.


@Box293 ,I installed this package on ubuntu 16.04LTS which is the core nagios server .This nagios server is a vm ware virtual machine .
dpa.clt
 
Posts: 11
Joined: Tue Jan 02, 2018 4:42 am

Re: Passive check not working giving stale warning

Postby Box293 » Thu Jan 11, 2018 5:20 pm

Excellent, thanks for that. I'll lock this topic now.
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Box293
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