Wrong FEEL external function definition throws NPE -------------------------------------------------- Key: DROOLS-1675 URL: https://issues.jboss.org/browse/DROOLS-1675 Project: Drools Issue Type: Bug Components: dmn engine Affects Versions: 7.1.0.Final Reporter: Tibor Zimányi Assignee: Fedor Gavrilov Priority: Minor Fix For: 7.4.0.Final When compiling this [1] FEEL expression with incorrect external function definition, the compilation ends with NPE with following stacktrace [2]. [1] {code:java} { maximum : function( v1, v2 ) external { missingDefiniton }, the max : maximum( 10, 20 ) }.the max {code} [2] https://gist.github.com/baldimir/3ebfc7c2e60ac61941c9866151ae2bbf I will add the reproducer in my next PR with new FEEL coverage.