What errors are logged
Published Dashboards and Widgets can generate errors when viewed.
Typically, this will show a Data retrieval error message in place of the Widget’s visuals :
This means that the Widget was unable to get the required data.
These errors can have several explanations :
- data not available
- SQL error
- wrong query
When viewed from Alpana Designer or Preview, you can access the full error message, see the relevant help page.
When viewed from Alpana Server, you can access the full error message from the web interface, or inside a file, see below :
From the Host
From the Host, you can view the full error logs.
Dashboard logs are located in Administration > Maintenance under the tab Website logs :
The recent logs are presented in a full list with :
- log level :
- timestamp : time of the event
- source : where the log came from
- message : the full error message, which can span several rows
You can click Refresh to view the latest logs at the bottom of the page.
You can click Download all to export the full logs as text inside a compresses
Alpana Server Error Log Files
If for some reason you are unable to access the error logs from the web interface of the Front-End (maybe you are unable to log in), you can find the logs as text files in the following folder :
(under your installation folder, by default