Updated snakeyaml dependency in Elasticsearch module as older version of this libarry seem to be incompatible with the newer Jackson version.
diff --git a/elasticsearch/common/pom.xml b/elasticsearch/common/pom.xml
index f39b162..29ec710 100644
--- a/elasticsearch/common/pom.xml
+++ b/elasticsearch/common/pom.xml
@@ -33,7 +33,11 @@
 			<artifactId>elasticsearch</artifactId>
 			<version>${elasticsearch.version}</version>
 		</dependency>
-
+		<dependency>
+			<groupId>org.yaml</groupId>
+			<artifactId>snakeyaml</artifactId>
+			<version>1.25</version>
+		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-api</artifactId>