Nginx server is loved by many people for its proxy capabilities and ease of configuration. A simple proxy_pass can allow you to connect to any of the backends such as GoLang, php-fpm, NodeJS, another Nginx, Tomcat, Apache, Gunicorn, uwsgi, Flask, Django, an external CDN and many more. When proxying a request to another server, you …
Tag: error
Sep 02 2020
Nginx close upstream connection after request
Nginx was configured as reverse proxy for an upstream server that servers a website. Upon checking the setup I encountered the 502 Bad gateway error. In Nginx error.log I found the following line:
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*1 upstream prematurely closed connection while reading response header from upstream, client: 127.0.0.1, server: , request: "GET /check HTTP/1.1", upstream: "http://127.0.0.1:4005/check", host: "example.com" |
Jul 29 2020
ORA-09925: Unable To Create Audit Trail File
Upon trying to start Oracle database service I got the following ORA-09925 error in $DB_HOME/startup.log file
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SQL> Connected to an idle instance. SQL> ORA-09925: Unable to create audit trail file Linux-x86_64 Error: 2: No such file or directory Additional information: 9925 |
The same ORA-09925 error when I tried to log on to SQL*Plus.
Jul 22 2020
Asterisk IAX error No Authority Found
This error is usually caused by a username/secret/type mismatch. This error also occurs when the context requested in the incoming call is different from one in the section of incoming peer. Multiple contexts in the peer section can be defined.
Jun 05 2020
How to fix ORA-28001: the password has expired ORA-28002 The Password Will Expire in 7 Days Errors
A new day started from ORA-28002 The Password Will Expire in 7 Days message from an Oracle DB. Let’s dig a bit how can we avoid this situation and manage our Oracle DB passwords.
Jun 04 2020
Unable to load component class org.sonar.scanner.bootstrap.ScannerPluginInstaller
Suddenly “Error during SonarQube Scanner execution” began to appear during at the end of Jenkins build. The full text in Jenkins console output looks like this:
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ERROR: Error during SonarQube Scanner execution ERROR: Unable to load component class org.sonar.scanner.bootstrap.ScannerPluginInstaller ERROR: Caused by: Unable to load component class org.sonar.home.cache.FileCache ERROR: Caused by: Unable to load component class org.sonar.scanner.bootstrap.GlobalConfiguration ERROR: Caused by: Error 500 on http://10.10.10.10:9000/api/settings/values.protobuf : {"errors":[{"msg":"An error has occurred. Please contact your administrator"}]} ERROR: ERROR: Re-run SonarQube Scanner using the -X switch to enable full debug logging. ERROR: SonarQube scanner exited with non-zero code: 1 Finished: FAILURE |
Apr 21 2020
Asterisk responds with 404 Not Found
While configuring SIP/PJSIP in Asterisk you may notice that Asterisk responds with 404 Not Found to the OPTIONS request. To demonstrate the behavior let’s have a look at this PJSIP debug log example:
Apr 20 2020
Windows Allow Remote Desktop Login Without Password
When attempting to connect or establish Remote Desktop connection to a remote Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1 or Windows 10 computer in order to remotely logon to the machine, the log on may be rejected with Remote Desktop client returns one of the following error messages:
Feb 10 2020
Vicidial backup and restore guide
Suppose you need to migrate or duplicate Vicidial data (campaigns, leads, phones and so on) from one Vicibox server to another. In case two Vicidial boxes of the same versions the process will be simpler. In case the source server has older Vicibox version than the destination one you will have to perform additional steps …
Feb 10 2020
Vicidial: There is a time synchronization problem with your system, please tell your system administrator
There is a time synchronization problem with your system, please tell your system administrator In case you have this error upon installation or upgrade your Vicibox/Vicidial check the following: Using timedatectl utility make sure server’s timezone is set correctly and server’s date/time is correct. Set proper timezone if needed. Get a list of timezones:
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timedatectl list-timezones |
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