Support MongoDB as a data storage

Issue-ID: DCAEGEN2-1411
Change-Id: I06b69605e88d5b81500b788847e7c90ff4017a07
Signed-off-by: Guobiao Mo <guobiaomo@chinamobile.com>
diff --git a/components/datalake-handler/pom.xml b/components/datalake-handler/pom.xml
index a526cb5..45db09d 100644
--- a/components/datalake-handler/pom.xml
+++ b/components/datalake-handler/pom.xml
@@ -26,12 +26,12 @@
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<java.version>1.8</java.version>
 
-		<mongojava.version>3.8.1</mongojava.version>
+		<mongojava.version>3.10.1</mongojava.version>
 		<springboot.version>2.1.0.RELEASE</springboot.version>
 		<springcouchbase.version>3.1.2.RELEASE</springcouchbase.version>
 		<jackson.version>2.9.6</jackson.version>
 		<kafka.version>2.0.0</kafka.version>
-		<elasticsearchjava.version>6.7.0</elasticsearchjava.version>
+		<elasticsearchjava.version>7.0.0-rc2</elasticsearchjava.version>
 
 	</properties>