Kibana login portal issue

I have recently upgraded elk stack from 7.8.1
Elasticsearch is currently in 7.8.1 version
I have tried to restart kibana.
systemctl restart kibana
It shows it is active but when I try to browse from web, the login page keeps on loading but could not appear login portal.

journalctl -u kibana.service -f

Aug 09 23:33:56 localhost.localdomain kibana[112695]: {"type":"response","@timestamp":"2020-08-09T17:48:56Z","tags":,"pid":112695,"method":"get","statusCode":302,"req":{"url":"/","method":"get","headers":{"host":"192.168.5.69:5601","user-agent":"Go-http-client/1.1","connection":"close"},"remoteAddress":"192.168.5.69","userAgent":"192.168.5.69"},"res":{"statusCode":302,"responseTime":5,"contentLength":9},"message":"GET / 302 5ms - 9.0B"}
Aug 09 23:33:56 localhost.localdomain kibana[112695]: {"type":"response","@timestamp":"2020-08-09T17:48:56Z","tags":,"pid":112695,"method":"get","statusCode":200,"req":{"url":"/login?next=%2F","method":"get","headers":{"host":"192.168.5.69:5601","user-agent":"Go-http-client/1.1","referer":"http://192.168.5.69:5601"},"remoteAddress":"192.168.5.69","userAgent":"192.168.5.69","referer":"http://192.168.5.69:5601"},"res":{"statusCode":200,"responseTime":67,"contentLength":9},"message":"GET /login?next=%2F 200 67ms - 9.0B"}

[root@localhost kibana]# systemctl status kibana
● kibana.service - Kibana
Loaded: loaded (/etc/systemd/system/kibana.service; enabled; vendor preset: disabled)
Active: active (running) since Sun 2020-08-09 23:31:35 +0545; 10min ago
Main PID: 112695 (node)
Tasks: 11
CGroup: /system.slice/kibana.service
└─112695 /usr/share/kibana/bin/../node/bin/node /usr/share/kibana/bin/../src/cli

Aug 09 23:40:56 localhost.localdomain kibana[112695]: {"type":"response","@timestamp":"2020-08-09T17:55:56Z","tags":,"pi...
Aug 09 23:40:56 localhost.localdomain kibana[112695]: {"type":"response","@timestamp":"2020-08-09T17:55:56Z","tags":,"pi...
Aug 09 23:41:06 localhost.localdomain kibana[112695]: {"type":"response","@timestamp":"2020-08-09T17:56:06Z","tags":,"pi...
Aug 09 23:41:06 localhost.localdomain kibana[112695]: {"type":"response","@timestamp":"2020-08-09T17:56:06Z","tags":,"pi...
Aug 09 23:41:16 localhost.localdomain kibana[112695]: {"type":"response","@timestamp":"2020-08-09T17:56:16Z","tags":,"pi...
Aug 09 23:41:16 localhost.localdomain kibana[112695]: {"type":"response","@timestamp":"2020-08-09T17:56:16Z","tags":,"pi...
Aug 09 23:41:26 localhost.localdomain kibana[112695]: {"type":"response","@timestamp":"2020-08-09T17:56:26Z","tags":,"pi...
Aug 09 23:41:26 localhost.localdomain kibana[112695]: {"type":"response","@timestamp":"2020-08-09T17:56:26Z","tags":,"pi...
Aug 09 23:41:36 localhost.localdomain kibana[112695]: {"type":"response","@timestamp":"2020-08-09T17:56:36Z","tags":,"pi...
Aug 09 23:41:36 localhost.localdomain kibana[112695]: {"type":"response","@timestamp":"2020-08-09T17:56:36Z","tags":,"pi...
Hint: Some lines were ellipsized, use -l to show in full.

[root@localhost kibana]# bin/kibana --version --allow-root
7.8.1

Is there any solution for it ?

I think there is looping issue from status code 302 to 200 and again 302 to 200.... How can I remove this error ?

Can you share your kibana.yml file? Maybe that's a configuration issue.
Another possible cause is you have a corrupted session. Try deleting all cookies and cache from your browser.

# Kibana is served by a back end server. This setting specifies the port to use.
server.port: 5601

# Specifies the address to which the Kibana server will bind. IP addresses and host names are both valid values.
# The default is 'localhost', which usually means remote machines will not be able to connect.
# To allow connections from remote users, set this parameter to a non-loopback address.
server.host: 0.0.0.0

# Enables you to specify a path to mount Kibana at if you are running behind a proxy.
# Use the `server.rewriteBasePath` setting to tell Kibana if it should remove the basePath
# from requests it receives, and to prevent a deprecation warning at startup.
# This setting cannot end in a slash.
#server.basePath: ""

# Specifies whether Kibana should rewrite requests that are prefixed with
# `server.basePath` or require that they are rewritten by your reverse proxy.
# This setting was effectively always `false` before Kibana 6.3 and will
# default to `true` starting in Kibana 7.0.
#server.rewriteBasePath: false

# The maximum payload size in bytes for incoming server requests.
#server.maxPayloadBytes: 1048576

# The Kibana server's name.  This is used for display purposes.
#server.name: "your-hostname"

# The URLs of the Elasticsearch instances to use for all your queries.
elasticsearch.hosts: ["http://192.168.5.69:9200"]

# When this setting's value is true Kibana uses the hostname specified in the server.host
# setting. When the value of this setting is false, Kibana uses the hostname of the host
# that connects to this Kibana instance.
#elasticsearch.preserveHost: true

# Kibana uses an index in Elasticsearch to store saved searches, visualizations and
# dashboards. Kibana creates a new index if the index doesn't already exist.
#kibana.index: ".kibana"

# The default application to load.
#kibana.defaultAppId: "home"

# If your Elasticsearch is protected with basic authentication, these settings provide
# the username and password that the Kibana server uses to perform maintenance on the Kibana
# index at startup. Your Kibana users still need to authenticate with Elasticsearch, which
# is proxied through the Kibana server.
#elasticsearch.username: "kibana"
#elasticsearch.password: "pass"

# Enables SSL and paths to the PEM-format SSL certificate and SSL key files, respectively.
# These settings enable SSL for outgoing requests from the Kibana server to the browser.
#server.ssl.enabled: false
#server.ssl.certificate: /path/to/your/server.crt
#server.ssl.key: /path/to/your/server.key

# Optional settings that provide the paths to the PEM-format SSL certificate and key files.
# These files validate that your Elasticsearch backend uses the same key files.
#elasticsearch.ssl.certificate: /path/to/your/client.crt
#elasticsearch.ssl.key: /path/to/your/client.key

# Optional setting that enables you to specify a path to the PEM file for the certificate
# authority for your Elasticsearch instance.
#elasticsearch.ssl.certificateAuthorities: [ "/path/to/your/CA.pem" ]

# To disregard the validity of SSL certificates, change this setting's value to 'none'.
#elasticsearch.ssl.verificationMode: full

# Time in milliseconds to wait for Elasticsearch to respond to pings. Defaults to the value of
# the elasticsearch.requestTimeout setting.
#elasticsearch.pingTimeout: 1500

# Time in milliseconds to wait for responses from the back end or Elasticsearch. This value
# must be a positive integer.
#elasticsearch.requestTimeout: 30000

# List of Kibana client-side headers to send to Elasticsearch. To send *no* client-side
# headers, set this value to [] (an empty list).
#elasticsearch.requestHeadersWhitelist: [ authorization ]

# Header names and values that are sent to Elasticsearch. Any custom headers cannot be overwritten
# by client-side headers, regardless of the elasticsearch.requestHeadersWhitelist configuration.
#elasticsearch.customHeaders: {}

# Time in milliseconds for Elasticsearch to wait for responses from shards. Set to 0 to disable.
#elasticsearch.shardTimeout: 30000

# Time in milliseconds to wait for Elasticsearch at Kibana startup before retrying.
#elasticsearch.startupTimeout: 5000

# Logs queries sent to Elasticsearch. Requires logging.verbose set to true.
#elasticsearch.logQueries: false

# Specifies the path where Kibana creates the process ID file.
#pid.file: /var/run/kibana.pid

# Enables you specify a file where Kibana stores log output.
#logging.dest: stdout

# Set the value of this setting to true to suppress all logging output.
#logging.silent: false

# Set the value of this setting to true to suppress all logging output other than error messages.
#logging.quiet: false

# Set the value of this setting to true to log all events, including system usage information
# and all requests.
#logging.verbose: false

# Set the interval in milliseconds to sample system and process performance
# metrics. Minimum is 100ms. Defaults to 5000.
#ops.interval: 5000

# Specifies locale to be used for all localizable strings, dates and number formats.
# Supported languages are the following: English - en , by default , Chinese - zh-CN .
#i18n.locale: "en"
elasticsearch.username: "elastic"
elasticsearch.password: "changeme"
#Kibana xpack features
xpack.security.enabled: true
#xpack.monitoring.enabled: false
#xpack.graph.enabled: false
#xpack.reporting.enabled: false

#timelion.enabled: false
#xpack.maps.enabled: false
#region_map.enabled: false
#tile_map.enabled: false

Problem is solved after restarting of the server.

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