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Why is search syntax highlighting not working in Splunk 6.5.2?

Splunk Employee
Splunk Employee

Our search heads syntax highlighting does not function for any of search commands. This is with searchsyntaxhighlighting = true for the user prefs. I'm on Splunk version 6.5.2.

[general]
searchsyntaxhighlighting = 1
searchassistant = compact
infodelivery
enabled = 0
infodeliveryshowadmodal = 1
infodelivery
showconfiguremodal = 1
datasets:showInstallDialog = 1

What I do see if I look at the browser console output is this:

Uncaught TypeError: Cannot read property 'forEach' of undefined
at SPLHighlightRules.buildCommandTokens (https://mysearchhead:8000/en-US/static/@67571ef4b87d/js/contrib/ace-editor/mode-spl.js:20:27)
at SPLHighlightRules.buildRules (https://mysearchhead:8000/en-US/static/@67571ef4b87d/js/contrib/ace-editor/mode-spl.js:82:76)
at new SPLHighlightRules (https://mysearchhead:8000/en-US/static/@67571ef4b87d/js/contrib/ace-editor/mode-spl.js:339:10)
... SNIP ...
at _require (eval at module.exports (https://mysearchhead:8000/en-US/static/@A0893C21C54BF1F3227A8F08…2162F01813C1C30FC75598EC33A535BB920...), :88:37)
at req (eval at module.exports (https://mysearchhead:8000/en-US/static/@A0893C21C54BF1F3227A8F08…2162F01813C1C30FC75598EC33A535BB920...), :138:24)

alt text

0 Karma
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Re: Why is search syntax highlighting not working in Splunk 6.5.2?

Splunk Employee
Splunk Employee

This case turned out to be caused by malformatted searchbnf.conf in a few custom apps, like it lacks mandatory field of "SYNTAX". - If you have the same issue I would recommend you to check if you have custom searchbnf.conf - Strangely, the small mistakes affect the whole feature to stop working which will be improved in the next version of 6.5.4 onward - it would ignore and work around the mistakes and continue to work for the other good commands.

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