How to use a ${} value in an undertow expression filter with CLI

Solution Verified - Updated -

Issue

  • Adding an undertow expression filter with a value ${} returns an error in CLI:

    {
    "outcome" => "failed",
    "failure-description" => "WFLYCTL0211: Cannot resolve expression 'XXXXX'",
    "rolled-back" => true
}

  • Undertow predicates uses the ${} tag to access a value from the predicate context but the expression is not valid for CLI or inside the standalone.xml or domain.xml file.

Environment

  • JBoss Enterprise Application Platform (EAP)
    • 7
  • Undertow / EAP filters (using value expressions to access the context)

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