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https://issues.apache.org/jira/browse/JEXL-265?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Henri Biestro resolved JEXL-265.
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Resolution: Won't Fix
There is no way to remove the grammatical ambiguity; there are many working
workarounds.
> Ternary expression and namespace identifier grammar ambiguity leads to
> parsing error
> ------------------------------------------------------------------------------------
>
> Key: JEXL-265
> URL: https://issues.apache.org/jira/browse/JEXL-265
> Project: Commons JEXL
> Issue Type: Bug
> Affects Versions: 3.1
> Reporter: Henri Biestro
> Assignee: Henri Biestro
> Priority: Minor
> Fix For: 3.2
>
>
> A common expression like {{(true) ? x : abs(1)}} throws a parsing exception.
> The workaround is to add parentheses around the right hand side {{(true) ? x
> : (abs(1))}} .
> The actual cause is that the grammar can not disambiguate between a correct
> ternary expression that uses a function call as right choice and one that
> uses a namespace function call as left choice {{x : abs(1)}} and misses the
> right hand choice, that latter case raising an exception.
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