Cannot use method chaining as source for facts ---------------------------------------------- Key: DROOLS-5608 URL: https://issues.redhat.com/browse/DROOLS-5608 Project: Drools Issue Type: Bug Components: executable model Affects Versions: 7.42.0.Final Reporter: Ciprian Chiru Assignee: Luca Molteni Priority: Major Given the sample rule below: {code:java} import java.util.*; global java.util.Set controlSet; rule "will execute per each Measurement having ID color" no-loop when Measurement( id == "color", $colorVal : val ) String() from Optional.of($colorVal).orElse("blah") then controlSet.add($colorVal); end{code}   Compiling the resulting model fails with: {code:java} .../target/generated-sources/drools-model-compiler/main/java/rules/Rules79f20b1c9ba841128eaf4b2dbb336819RuleMethods0.java:[24,129] cannot find symbol [ERROR] symbol: variable $colorVal [ERROR] location: class rules.Rules79f20b1c9ba841128eaf4b2dbb336819RuleMethods0{code} Can be reproduced with _7.43.0-SNAPSHOT_