Merge branch 'gerrit/stabilization-f69489'

Change-Id: Ie67b5c38d267d3e8b01e4b0989f688d155311909
diff --git a/asterixdb/pom.xml b/asterixdb/pom.xml
index 6952f0e..cd938dd 100644
--- a/asterixdb/pom.xml
+++ b/asterixdb/pom.xml
@@ -81,7 +81,7 @@
     <hyracks.version>0.3.5-SNAPSHOT</hyracks.version>
     <hadoop.version>2.8.5</hadoop.version>
     <jacoco.version>0.7.6.201602180812</jacoco.version>
-    <log4j.version>2.14.1</log4j.version>
+    <log4j.version>2.15.0</log4j.version>
 
     <implementation.title>Apache AsterixDB - ${project.name}</implementation.title>
     <implementation.url>https://asterixdb.apache.org/</implementation.url>
diff --git a/hyracks-fullstack/pom.xml b/hyracks-fullstack/pom.xml
index 9a2c886..4193ca2 100644
--- a/hyracks-fullstack/pom.xml
+++ b/hyracks-fullstack/pom.xml
@@ -71,7 +71,7 @@
     <!-- Versions under dependencymanagement or used in many projects via properties -->
     <hadoop.version>2.8.5</hadoop.version>
     <jacoco.version>0.7.6.201602180812</jacoco.version>
-    <log4j.version>2.14.1</log4j.version>
+    <log4j.version>2.15.0</log4j.version>
     <snappy.version>1.1.8.4</snappy.version>
     <jackson.version>2.13.0</jackson.version>