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    An error occurred while logging in - Connection error

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    • R
      rob987
      last edited by

      Hi,
      I have had mango running for about 18 months, log in once a week or so and check the solar data it
      records, and emails me. Last login, I updated, an now a week later, I realise i cannot log in.

      The login screen comes up, but fails with "An error occurred while logging in - Connection error"

      System:

      $ uname -a
      Linux mango 4.9.0-12-amd64 #1 SMP Debian 4.9.210-1 (2020-01-20) x86_64 GNU/Linux
      

      Java:
      I noticed the java install advice has changed to openjdk, so I upgraded, but no luck.

      $ java --version
      openjdk 14 2020-03-17
      OpenJDK Runtime Environment AdoptOpenJDK (build 14+36)
      OpenJDK 64-Bit Server VM AdoptOpenJDK (build 14+36, mixed mode, sharing)
      

      mango:
      ma.log only has INFO data logged
      Starting Mango 3.7.5 with Schema Version: 29

      all the processes seem to be running OK

      $ netstat -antp
      Active Internet connections (servers and established)
      Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
      tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      454/sshd            
      tcp        0      0 127.0.0.1:631           0.0.0.0:*               LISTEN      422/cupsd           
      tcp        0    196 192.168.220.80:22       192.168.220.103:56870   ESTABLISHED 610/sshd: robert [p 
      tcp6       0      0 :::8080                 :::*                    LISTEN      2125/java           
      tcp6       0      0 :::22                   :::*                    LISTEN      454/sshd            
      tcp6       0      0 ::1:631                 :::*                    LISTEN      422/cupsd           
      tcp6       0      0 :::8443                 :::*                    LISTEN      2125/java           
      tcp6       0      0 :::5502                 :::*                    LISTEN      2125/java           
      tcp6       0      0 192.168.220.80:45056    192.168.220.75:502      ESTABLISHED 2125/java           
      tcp6       0      0 192.168.220.80:5502     192.168.220.75:2902     ESTABLISHED 2125/java           
      tcp6       0      0 192.168.220.80:43566    10.11.21.253:502        ESTABLISHED 2125/java           
      tcp6       0      0 192.168.220.80:8443     192.168.220.103:53812   TIME_WAIT   -                   
      tcp6       0      0 192.168.220.80:8443     192.168.220.103:53946   TIME_WAIT   -
      

      I think the two "TIME_WAIT" lines are my login attempt.

      Where can I look for errors / logs that might help resolve the issue.

      Thanks

      1 Reply Last reply Reply Quote 0
      • R
        rob987
        last edited by

        Hi All,
        Well its the next morning here in Australia, and I am at home waiting for the corona virus to get me, so I clicked on the link for my mango install, and firefox did the security warning for a self signed certificate again - strange, then
        then the login worked, and up came the screen.
        ![alt text](0_1585524922854_Mango_Screen.png image url)

        Anyway, any thoughts on what magic happened overnight ?

        Thanks

        1 Reply Last reply Reply Quote 0
        • MattFoxM
          MattFox
          last edited by MattFox

          Check your ma.logs, if this thing is internet facing someone may have been hammering it causing the login to drop out in relation to max non-authenticated attempts being tripped..

          Fox

          Do not follow where the path may lead; go instead where there is no path.
          And leave a trail - Muriel Strode

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