Log

Tim-Brooks · Tim-Brooks · commit b5125d5b78d4 · 2025-07-26T10:29:37.000-06:00
diff --git a/modules/ingest-common/src/main/java/org/elasticsearch/ingest/common/GrokProcessor.java b/modules/ingest-common/src/main/java/org/elasticsearch/ingest/common/GrokProcessor.java
@@ -75,6 +75,7 @@ public IngestDocument execute(IngestDocument ingestDocument) throws Exception {
 
         Map<String, Object> matches = grok.captures(fieldValue);
         if (matches == null) {
+            logger.warn(">[{}] Grok expressions do not match field value: [{}]", tag, fieldValue);
             throw new IllegalArgumentException("Provided Grok expressions do not match field value: [" + fieldValue + "]");
         }
 

Original file line number	Diff line number	Diff line change
`@@ -75,6 +75,7 @@ public IngestDocument execute(IngestDocument ingestDocument) throws Exception {`
`75`	`75`
`76`	`76`	`Map<String, Object> matches = grok.captures(fieldValue);`
`77`	`77`	`if (matches == null) {`
	`78`	`+ logger.warn(">[{}] Grok expressions do not match field value: [{}]", tag, fieldValue);`
`78`	`79`	`throw new IllegalArgumentException("Provided Grok expressions do not match field value: [" + fieldValue + "]");`
`79`	`80`	`}`
`80`	`81`