update script engine initialization

Netflix · Sep 12, 2023 · 43fe39e · 43fe39e
1 parent cad289c
commit 43fe39e
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/core/src/main/java/com/netflix/conductor/core/events/ScriptEvaluator.java b/core/src/main/java/com/netflix/conductor/core/events/ScriptEvaluator.java
@@ -20,7 +20,7 @@
 
 public class ScriptEvaluator {
 
-    private static final ScriptEngine engine = new NashornScriptEngineFactory().getScriptEngine();
+    private static ScriptEngine engine;
 
     private ScriptEvaluator() {}
 
@@ -46,6 +46,9 @@ public static Boolean evalBool(String script, Object input) throws ScriptExcepti
      * @return Generic object, the result of the evaluated expression.
      */
     public static Object eval(String script, Object input) throws ScriptException {
+        if (engine == null) {
+            engine = new NashornScriptEngineFactory().getScriptEngine();
+        }
         Bindings bindings = engine.createBindings();
         bindings.put("$", input);
         return engine.eval(script, bindings);