test hive with only IPv6 stack enabled in Java networking.

hcatalog/src/test/e2e/templeton/deployers/config/webhcat/webhcat-site.updateConfig.xml

@@ -97,7 +97,7 @@
 
     <property>
         <name>templeton.controller.mr.child.opts</name>
-        <value> -Xmx64m -Djava.net.preferIPv4Stack=true</value>
+        <value> -Xmx64m -Djava.net.preferIPv6Stack=true</value>
     </property>
 
     <property>

hcatalog/src/test/e2e/templeton/deployers/config/webhcat/webhcat-site.xml

@@ -95,7 +95,7 @@
 
     <property>
         <name>templeton.controller.mr.child.opts</name>
-        <value> -Xmx64m -Djava.net.preferIPv4Stack=true</value>
+        <value> -Xmx64m -Djava.net.preferIPv6Stack=true</value>
     </property>
 
     <property>

hcatalog/webhcat/svr/src/main/config/webhcat-default.xml

@@ -193,7 +193,7 @@
 
   <property>
     <name>templeton.controller.mr.child.opts</name>
-    <value>-server -Xmx256m -Djava.net.preferIPv4Stack=true</value>
+    <value>-server -Xmx256m -Djava.net.preferIPv6Stack=true</value>
     <description>Java options to be passed to templeton controller map task.
         The default value of mapreduce child "-Xmx" (heap memory limit)
         might be close to what is allowed for a map task.

llap-server/bin/runLlapDaemon.sh

@@ -57,7 +57,7 @@ JAVA_GC_OPTS="-XX:+PrintGCDetails -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFil
 if [ "$JAVA_VERSION" -gt "1" ]; then # from java9+, -Xlog argument should be used
   JAVA_GC_OPTS="-Xlog:gc*,safepoint:gc.log:time,uptime:filecount=4,filesize=100M"
 fi
-JAVA_OPTS_BASE="-server -Djava.net.preferIPv4Stack=true -XX:+UseNUMA -verbose:gc $JAVA_GC_OPTS"
+JAVA_OPTS_BASE="-server -Djava.net.preferIPv6Stack=true -XX:+UseNUMA -verbose:gc $JAVA_GC_OPTS"
 
 if [ ! -d "${LLAP_DAEMON_HOME}" ]; then
   echo No LLAP_DAEMON_HOME set, or is not a directory. 

pom.xml

@@ -1816,7 +1816,7 @@
             <test.output.overwrite>${test.output.overwrite}</test.output.overwrite>
             <test.warehouse.dir>${test.warehouse.scheme}${test.warehouse.dir}</test.warehouse.dir>
             <test.local.warehouse.dir>${test.warehouse.scheme}${test.local.warehouse.dir}</test.local.warehouse.dir>
-            <java.net.preferIPv4Stack>true</java.net.preferIPv4Stack>
+            <java.net.preferIPv6Stack>true</java.net.preferIPv6Stack>
             <!-- EnforceReadOnlyTables hook and QTestUtil -->
             <test.src.tables/>
             <java.security.krb5.conf>${test.conf.dir}/krb5.conf</java.security.krb5.conf>

ql/src/test/org/apache/hive/testutils/HiveTestEnvSetup.java

@@ -131,7 +131,7 @@ public void beforeClass(HiveTestEnvContext ctx) throws Exception {
       System.setProperty("test.tmp.dir.uri", "file://" + tmpFolderPath);
       System.setProperty("test.dfs.mkdir", "-mkdir -p");
       System.setProperty("test.warehouse.dir", tmpFolderPath + "/warehouse"); // this is changed to be *under* tmp dir
-      System.setProperty("java.net.preferIPv4Stack", "true"); // not sure if this will have any effect..
+      System.setProperty("java.net.preferIPv6Stack", "true"); // not sure if this will have any effect..
       System.setProperty("test.src.tables", "src");
       System.setProperty("hive.jar.directory", tmpFolderPath);
     }

testutils/hadoop

@@ -69,7 +69,7 @@ fi
 HADOOP_OPTS="$HADOOP_OPTS -Dhadoop.policy.file=$HADOOP_POLICYFILE"
 
 # Disable ipv6 as it can cause issues
-HADOOP_OPTS="$HADOOP_OPTS -Djava.net.preferIPv4Stack=true"
+HADOOP_OPTS="$HADOOP_OPTS -Djava.net.preferIPv6Stack=true"
 
 COMMAND=$1
 # the core commands