[OBEC.Content Center] How to fixed problem on “OBEC Content Center” And Clear Cache

1st Step

  • You Need to check 3 Websites & Check Server Status “httpd” is Active or Inactive (Dead)
  • Connect to VPN using Soft Ether VPN Client with
  • IP : 202.29.172.175
  • Port : 443

Virtual Hub Name: OBEC

After Connect Soft Ether VPN Client, Please go and Check all of these 3 Website links

  • http://192.168.232.128/ 
  • http://192.168.232.129/ 
  • http://192.168.232.146/ 

If the website is broken or unable to log-in when you check all of these 3 Website links ( Please Follow by going down below )

1. Use Putty Client to SSH connect WEB APP IP:192.168.232.128 , Port: 22

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2. Using WEB APP Username and Password to Login

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3. After the log-in is done, Check the Server Status of “httpd” Following these command lines.

  • ” systemctl status httpd “
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When you Check the Server Status it shows “Active ( running ), You don’t need to do anything just turn it off  and check the next 2 IP  simply like (2 , 3) .

4. IF when you check the server status  is shows “Inactive (Dead) , You need to use this command Line.

  • ” systemctl start httpd “

After all of these steps, please wait for 3-5 minutes and go back to your browser and then refresh the page again.

In This case: When you check 1st Step, all of these websites will be online but there may be some websites that do not load images or can’t access to login . Do 2nd step

2nd Step

Need to Check 6 API Server Followed by under image .

  1. Connect SSH to API  with Private IP and use this command 
  • ” docker logs –tail 100 -f tomcat_obec “

if found error Caused by: org.hibernate.HibernateException: Access to DialectResolutionInfo cannot be null when ‘hibernate.dialect’ not set  ( Go to use next command )

  • ” telent 192.168.232.179 3306 “

if fif found error, mHost ‘192.168.232.165’ is blocked because of many connection errors; unblock with ‘mysqladmin flush-hosts’Connection closed by foreign host. ( Go to next step and use follow commend)

  • Connect SSH to Database IP : 192.168.232.179  ,  Port : 22

  • ” mysql -u root -p ” and fill password
  • After Login Use this command ” flush hosts; “
  • If  all of these 2nd steps is done but doesn’t work restart docker on ” API ” using this command .

    • ” docker restart tomcat_obec ” and test the website Again.

    If an error is  received, proceed to the next step.

    ( If Step 1-2 have been completed but the website is still not showing an image or can’t access login follow By Step 3 .)

    Connect SSH to API Gateway 

    • IP : 192.168.232.176
    • Port : 22

    Use the Command “redis-cli

    Use the Command “auth password”

    Use the Command “flushall”

    After all of these steps, Please wait for 3-5 minutes and go back to your browser then refresh the page again. ( If an error is received, proceed to Step- 4)

    Step-4 . 

    Check the Container of docker kafka

    • Connect with SSH to API Gateway & log-in with username and password.
    • After connect use command ” docker ps ” 
    • Check ” KafKa ” container is running or not.

    If docker is not running ” KafKa ”  Go to the docker-compose directory file 

    • cd /opt/kafka 
    • ” docker-compose up -d “
    • ” docker ps ”  command and check in the container as ” KafKa “

    After all of these steps, Please wait for 3-5 minutes and go back to your browser then refresh the page again.