Fix ConditionalEvaluationError to do not include the event that errored in its serialiaxed form, because it's not expected that this class is ever serialized. (#16429)

andsel · logstashmachine · commit a999c21aa02f · 2024-09-06T10:40:15.000Z
Make inner field of ConditionalEvaluationError transient to be avoided during serialization. (cherry picked from commit bb7ecc2)
diff --git a/logstash-core/src/main/java/org/logstash/config/ir/compiler/ConditionalEvaluationError.java b/logstash-core/src/main/java/org/logstash/config/ir/compiler/ConditionalEvaluationError.java
@@ -7,7 +7,10 @@
  * */
 public class ConditionalEvaluationError extends RuntimeException {
     private static final long serialVersionUID = -8633589068902565868L;
-    private final Event failedEvent;
+
+    // This class is serializable because of inheritance from Throwable, however it's not expected
+    // to be ever transmitted on wire on stored in some binary storage.
+    private final transient Event failedEvent;
 
     ConditionalEvaluationError(Throwable cause, Event failedEvent) {
         super(cause);
