[NO ISSUE][MISC] Update log4j2 dependencies 2.15.0 -> 2.17.1

Change-Id: I7ecc188266713b9e00828cc3af2b23512e2ca1f3
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/14863
Reviewed-by: Michael Blow <mblow@apache.org>
Reviewed-by: Hussain Towaileb <hussainht@gmail.com>
Tested-by: Michael Blow <mblow@apache.org>
diff --git a/asterixdb/pom.xml b/asterixdb/pom.xml
index cd938dd..d041866 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>2.15.0</log4j.version>
+    <log4j.version>2.17.1</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 4193ca2..e4b3624 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>2.15.0</log4j.version>
+    <log4j.version>2.17.1</log4j.version>
     <snappy.version>1.1.8.4</snappy.version>
     <jackson.version>2.13.0</jackson.version>