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When selecting a Consolidation Function, errors may be reported #4557

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browniebraun opened this issue Feb 17, 2022 · 1 comment
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When selecting a Consolidation Function, errors may be reported #4557

browniebraun opened this issue Feb 17, 2022 · 1 comment
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bug Undesired behaviour

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@browniebraun
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Describe the bug

Only occurs if you are using a non-typical RRA profil. In my case only archive LAST will be created and used within the graph template.

Graph debug returns more than 20 times "Undefined offset: 1 ...." .

Solution

Simple to fix as the issue occurs in /lib/functions.php -- function generate_graph_best_cf:

image

Due to the reason that $avail_cf_functions hasn't been touched before line 2707

$best_cf = current($avail_cf_functions);

would be appropriate to return the first element.

Screenshots

image

  • Version
    Cacti 1.2.19 and above
@browniebraun browniebraun added bug Undesired behaviour unverified Some days we don't have a clue and removed unverified Some days we don't have a clue labels Feb 17, 2022
@TheWitness
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Can you commit this?

@browniebraun browniebraun changed the title Undefined index messages while reviewing a graph in debug mode. Undefined index in graph debug mode Feb 18, 2022
browniebraun added a commit that referenced this issue Feb 18, 2022
@browniebraun
fix best CF selection
15adc29 
#4557 - use reset to return the first element.
@netniV netniV changed the title Undefined index in graph debug mode When selecting a Consolidation Function, errors may be reported Apr 3, 2022
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@TheWitness @browniebraun