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- Project Example 1: Error messages reveal file permissions problem
- Project Example 2: Your website requires a caching strategy to be designed and implemented
- Project Example 3: Your website is mission critical and processes a high volume of transaction
Error Messages
Error Type: Contributed Module
Severity: Critical
Module:
I recently gave an outline of this problem over in the Drupal community here:https://www.drupal.org/node/1316874#comment-12136170
But I thought it would be interesting to make a more technical post on the subject, so here it is.
Error Type: Contributed Module
Severity: Error
Module: privatemsg
The privatemsg module has a form that users submit to send a message to another user. In the submit callback for that form the message sending code is wrapped in exception handling code that displays this error message.
Error Type: Core Module
Severity: Information message
Module:
When you view a form you may find that in place of an editable textarea you instead see this message.
Error Type: Core Module
Severity: Error
Module: system
Drupal makes use of periodic cron operations to perform some house cleaning tasks to keep your Drupal installation healthy. One of the things it likes to check is for stale managed files. Managed files are ones that are uploaded to Drupal, where Drupal...
Error Type: Contributed Module
Severity: Error
Module: recaptcha
The Recaptcha module has a feature called Mailhide that allows you to protect the display of email addresses until a user has completed a reCaptcha challenge in order to reduce spam. This error message is telling you that the module is not able to...
Error Type: Contributed Module
Severity: Error
Module: quicktabs
You have tabs defined by the Quicktabs module that have no content defined.
Error Type: Contributed Module
Severity: Error
Module: views
The Views module makes it possible to define areas into which you can assign content. For example, you could configure your view to place a Text Area inside the footer of the view.
However, you can also create more complex configurations, perhaps even...
Error Type: Drupal Core
Severity: Error
Module: drupal
The Drupal form API will cache a form so that it can be retrieved during such as events as form submission. This facilitates checks on the form such as verifying that submitted form data is valid when compared to the range of possible values defined on...
Error Type: Core Module
Severity: Error
Module:
Error Type: Core Module
Severity: Error
Module: system
A Drupal site should periodically execute several house keeping tasks in order to continue functioning correctly. Cron is an operating system tool that allows the system administrator to execute tasks at defined intervals and so it is the ideal way to...
Error Type: PHP
Severity: Significant
Module:
This message is generated by the PHP runtime environment. It is identified as a "Notice" which means that something less than ideal is happening but it shouldn't stop your pages from loading.
However, it does deserve attention because this type of...
Error Type: Contributed Module
Severity: Warning
Module: ultimate_cron
The Ultimate Cron module uses the concept of threads to control the amount of resource that should be devoted to processing queued tasks at any one time.
When this message appears in your watchdog reports it means that a cron cycle has been initiated but...
Error Type: Contributed Module
Severity: Error
Module: views
The Views module contains a sub-module called Views UI, which provides the user interface through which site administrators manage their Views. Since Drupal is a multi user CMS there could be a danger that if one user were editing a View at the same time...
Error Type: MySQL
Severity: Error
Module:
SQL is the language used to query and manipulate relational databases. The most common types of SQL statement are:
SELECT
INSERT
UPDATE
DELETE
This message is telling us that a SQL statement was submitted to the database server, typically MySQL, and the...
Error Type: Apache
Severity: Information message
Module:
This message is generated by the Apache web server and is usually just informative, but can sometimes help to reveal if malicious persons are looking for vulnerabilities on your server that they can exploit.
Error Type: PHP
Severity: Critical
Module:
This error tells us that the server was asked to undertake a task that did not complete within the expected timeframe. Therefore, to avoid killing the server's performance for an extended period of time the request was killed in order to free up...