Claus Ibsen created CAMEL-24963:
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Summary: simple - ${properties:key:default} with a default
containing an operator word is parsed as a predicate
Key: CAMEL-24963
URL: https://issues.apache.org/jira/browse/CAMEL-24963
Project: Camel
Issue Type: Sub-task
Components: camel-core
Reporter: Claus Ibsen
Assignee: Claus Ibsen
Fix For: 4.23.0
Regression from CAMEL-24921 (edb3a1406c60, predicate inside ${ }).
SimpleFunctionExpression runs the operatorsOutside check before any function
factory; it skips a match when parentheses are open or quotes appear before the
operator word, but not when the word is inside a property default value or
inside brackets.
* (verified) {{${properties:msg:value is not set}}} now fails with "Binary
operator is does not accept not on the right hand side". Before it returned the
default value "value is not set".
* likely the same: {{${header[order in progress]}}}
Fix: skip the predicate-in-braces detection for function text such as
properties defaults / bracket keys, and add tests.
_Claude Code on behalf of davsclaus (found by an AI review of the simple
language source; each item marked (verified) was reproduced on main at
c3ef718de2e8)_
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