Difference between revisions of "Known Replikwando Errors"

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==== Lost Connection To The Database ====
==== Lost Connection To The Database ====
* '''Cause'''
* '''Cause'''
Replikwando wasn't able to see the local database.  This can happen if the MySQL service is stopped or restarted, or if the process was too busy to respond for a moment.
Replikwando wasn't able to see the local database.  This can happen if the MySQL service is stopped or restarted, or if the process was too busy to respond for a moment, or if the network connection to the server host quit working for a moment (if the MySQL server isn't hosted locally).
 
* '''Resolution'''
Replikwando is built so that things like this can happen.  Therefore, it's safe to ignore this error.  Replikwando will just reconnect to the database when it comes back.
 
* '''Similar Errors'''
MySQL Server Has Gone Away
 
=== ToConnectionErrorLog ===
This error log contains errors generated from interacting with the remote MySQL database.
 
==== Lost Connection To The Database ====
 
* '''Cause'''
Replikwando wasn't able to see the remote database.  This can happen if the MySQL service is stopped or restarted, or if the process was too busy to respond for a moment, or if the internet connection for the site drops.


* '''Resolution'''
* '''Resolution'''
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It is safe to ignore this error.
It is safe to ignore this error.
Newer versions no longer halt on this error, as it is indicative of the data already being on the remote server.
Newer versions no longer halt on this error, as it is indicative of the data already being on the remote server.
=== LocalQueueConnectionErrorLog ===
==== Database Is Locked ====
* '''Cause'''
This error occurs when one thread/process/person is writing into the SQLite database file while another is trying to use it.  It means that whatever got the error wasn't able to query the table or write data into it.  It's most common to see this error when an administrator is running queries against the SQLite database file while Replikwando is running (which is safe to do, but it can get annoying having to run your query more than once).
* '''Resolution'''
It is safe to ignore this error.
Replikwando does not halt on this error; it just tries to do what it was doing again, until it succeeds.

Revision as of 15:22, 12 August 2009

Errors in Replikwando

Replikwando is made to handle inconsistent internet connections, MySQL databases that get shut off randomly, and things like that. However, sometimes things happen that Replikwando isn't able to handle automatically in a smart fashion. It uses error logs to tell the administrator when something odd has come up and should probably be looked into.

This wiki page is meant to help explain what the different errors are, as well as what needs to be done to handle them (or if they can be safely ignored).

Error Logs

FromConnectionErrorLog

This error log contains errors and warnings coming from the company's local database.

Lost Connection To The Database

  • Cause

Replikwando wasn't able to see the local database. This can happen if the MySQL service is stopped or restarted, or if the process was too busy to respond for a moment, or if the network connection to the server host quit working for a moment (if the MySQL server isn't hosted locally).

  • Resolution

Replikwando is built so that things like this can happen. Therefore, it's safe to ignore this error. Replikwando will just reconnect to the database when it comes back.

  • Similar Errors

MySQL Server Has Gone Away

ToConnectionErrorLog

This error log contains errors generated from interacting with the remote MySQL database.

Lost Connection To The Database

  • Cause

Replikwando wasn't able to see the remote database. This can happen if the MySQL service is stopped or restarted, or if the process was too busy to respond for a moment, or if the internet connection for the site drops.

  • Resolution

Replikwando is built so that things like this can happen. Therefore, it's safe to ignore this error. Replikwando will just reconnect to the database when it comes back.

  • Similar Errors

MySQL Server Has Gone Away

Duplicate Key

  • Cause

This error means that it tried to push a key to the remote database, but it already had the values being specified. This is normally caused by a query that gets sent, is received by the server, but the server reply just doesn't get back to Replikwando before it tries again. That means that if the remote server goes down or the internet connection is interrupted for even a moment, this can occur.

  • Resolution

It is safe to ignore this error. Newer versions no longer halt on this error, as it is indicative of the data already being on the remote server.

LocalQueueConnectionErrorLog

Database Is Locked

  • Cause

This error occurs when one thread/process/person is writing into the SQLite database file while another is trying to use it. It means that whatever got the error wasn't able to query the table or write data into it. It's most common to see this error when an administrator is running queries against the SQLite database file while Replikwando is running (which is safe to do, but it can get annoying having to run your query more than once).

  • Resolution

It is safe to ignore this error. Replikwando does not halt on this error; it just tries to do what it was doing again, until it succeeds.