ZOOKEEPER-3312: Upgrade Jetty to 9.4.15.v20190215

Author: Enrico Olivelli <eolivelli@apache.org>

Reviewers: phunt@apache.org

Closes #852 from eolivelli/ZOOKEEPER-3312-jetty-9.4.15.v20190215

Change-Id: I312333d70805bd433332791bcf5a5ad58449a58c

build.xml

@@ -54,7 +54,7 @@ xmlns:cs="antlib:com.puppycrawl.tools.checkstyle.ant">
 
     <property name="javacc.version" value="5.0"/>
 
-    <property name="jetty.version" value="9.4.14.v20181114"/>
+    <property name="jetty.version" value="9.4.15.v20190215"/>
     <property name="jackson.version" value="2.9.8"/>
     <property name="dependency-check-ant.version" value="4.0.2"/>
 

pom.xml

@@ -278,7 +278,7 @@
     <hamcrest.version>1.3</hamcrest.version>
     <commons-cli.version>1.2</commons-cli.version>
     <netty.version>4.1.29.Final</netty.version>
-    <jetty.version>9.4.14.v20181114</jetty.version>
+    <jetty.version>9.4.15.v20190215</jetty.version>
     <jackson.version>2.9.8</jackson.version>
     <json.version>1.1.1</json.version>
     <jline.version>2.11</jline.version>