Fix install of JDK8 on Travis

travis.sh

@@ -10,16 +10,16 @@ set -euo pipefail
 # at each build.
 #
 function installJdk8 {
-  echo "Setup JDK 1.8u161"
+  echo "Setup JDK 1.8u171"
   mkdir -p ~/jvm
   pushd ~/jvm > /dev/null
-  if [ ! -d "jdk1.8.0_161" ]; then
-    wget --quiet --continue --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u161-b12/2f38c3b165be4555a1fa6e98c45e0808/jdk-8u161-linux-x64.tar.gz
-    tar xzf jdk-8u161-linux-x64.tar.gz
-    rm jdk-8u161-linux-x64.tar.gz
+  if [ ! -d "jdk1.8.0_171" ]; then
+    wget --quiet --continue --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u171-b11/512cd62ec5174c3487ac17c61aaa89e8/jdk-8u171-linux-x64.tar.gz
+    tar xzf jdk-8u171-linux-x64.tar.gz
+    rm jdk-8u171-linux-x64.tar.gz
   fi
   popd > /dev/null
-  export JAVA_HOME=~/jvm/jdk1.8.0_161
+  export JAVA_HOME=~/jvm/jdk1.8.0_171
   export PATH=$JAVA_HOME/bin:$PATH
 }