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Bug #13936

closed

PHP error from RRD Graphs when attempting a query a newly created empty database

Added by Jim Pingle about 1 year ago. Updated about 1 year ago.

Status:
Resolved
Priority:
Normal
Assignee:
Christopher Cope
Category:
Status_Monitoring
Target version:
-
Start date:
Due date:
% Done:

100%

Estimated time:
Plus Target Version:
Affected Version:
Affected Plus Version:
Affected Architecture:

Description

Attempting to view an RRD graph of a new database that doesn't yet have data results in a PHP error.

Easiest way to make it happen is to reset RRD and then attempt to load a traffic graph for an interface (e.g. WAN) before the script has a chance to run and populate data:

PHP ERROR: Type: 1, File: /usr/local/www/rrd_fetch_json.php, Line: 430, Message: Uncaught ValueError: min(): Argument #1 ($value) must contain at least one element in /usr/local/www/rrd_fetch_json.php:430
Stack trace:
#0 /usr/local/www/rrd_fetch_json.php(430): min(Array)
#1 {main}

Once the RRD file has data, it's fine.

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