diff --git a/.mvn/jvm.config b/.mvn/jvm.config
deleted file mode 100644
index 20be3f8273..0000000000
--- a/.mvn/jvm.config
+++ /dev/null
@@ -1 +0,0 @@
--Xmx1024m -XX:MaxMetaspaceSize=256m
diff --git a/.mvn/wrapper/MavenWrapperDownloader.java b/.mvn/wrapper/MavenWrapperDownloader.java
deleted file mode 100644
index b901097f2d..0000000000
--- a/.mvn/wrapper/MavenWrapperDownloader.java
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
- * Copyright 2007-present the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-import java.net.*;
-import java.io.*;
-import java.nio.channels.*;
-import java.util.Properties;
-
-public class MavenWrapperDownloader {
-
-    private static final String WRAPPER_VERSION = "0.5.6";
-    /**
-     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
-     */
-    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
-        + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
-
-    /**
-     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
-     * use instead of the default one.
-     */
-    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
-            ".mvn/wrapper/maven-wrapper.properties";
-
-    /**
-     * Path where the maven-wrapper.jar will be saved to.
-     */
-    private static final String MAVEN_WRAPPER_JAR_PATH =
-            ".mvn/wrapper/maven-wrapper.jar";
-
-    /**
-     * Name of the property which should be used to override the default download url for the wrapper.
-     */
-    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
-
-    public static void main(String args[]) {
-        System.out.println("- Downloader started");
-        File baseDirectory = new File(args[0]);
-        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
-
-        // If the maven-wrapper.properties exists, read it and check if it contains a custom
-        // wrapperUrl parameter.
-        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
-        String url = DEFAULT_DOWNLOAD_URL;
-        if(mavenWrapperPropertyFile.exists()) {
-            FileInputStream mavenWrapperPropertyFileInputStream = null;
-            try {
-                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
-                Properties mavenWrapperProperties = new Properties();
-                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
-                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
-            } catch (IOException e) {
-                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
-            } finally {
-                try {
-                    if(mavenWrapperPropertyFileInputStream != null) {
-                        mavenWrapperPropertyFileInputStream.close();
-                    }
-                } catch (IOException e) {
-                    // Ignore ...
-                }
-            }
-        }
-        System.out.println("- Downloading from: " + url);
-
-        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
-        if(!outputFile.getParentFile().exists()) {
-            if(!outputFile.getParentFile().mkdirs()) {
-                System.out.println(
-                        "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
-            }
-        }
-        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
-        try {
-            downloadFileFromURL(url, outputFile);
-            System.out.println("Done");
-            System.exit(0);
-        } catch (Throwable e) {
-            System.out.println("- Error downloading");
-            e.printStackTrace();
-            System.exit(1);
-        }
-    }
-
-    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
-        if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
-            String username = System.getenv("MVNW_USERNAME");
-            char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
-            Authenticator.setDefault(new Authenticator() {
-                @Override
-                protected PasswordAuthentication getPasswordAuthentication() {
-                    return new PasswordAuthentication(username, password);
-                }
-            });
-        }
-        URL website = new URL(urlString);
-        ReadableByteChannel rbc;
-        rbc = Channels.newChannel(website.openStream());
-        FileOutputStream fos = new FileOutputStream(destination);
-        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
-        fos.close();
-        rbc.close();
-    }
-
-}
diff --git a/.mvn/wrapper/maven-wrapper.jar b/.mvn/wrapper/maven-wrapper.jar
index 2cc7d4a55c..0d5e649888 100644
Binary files a/.mvn/wrapper/maven-wrapper.jar and b/.mvn/wrapper/maven-wrapper.jar differ
diff --git a/.mvn/wrapper/maven-wrapper.properties b/.mvn/wrapper/maven-wrapper.properties
index 642d572ce9..8c79a83ae4 100644
--- a/.mvn/wrapper/maven-wrapper.properties
+++ b/.mvn/wrapper/maven-wrapper.properties
@@ -1,2 +1,18 @@
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
-wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.4/apache-maven-3.8.4-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar
diff --git a/LICENSE b/LICENSE
index 20191b3d53..e27633b850 100644
--- a/LICENSE
+++ b/LICENSE
@@ -214,7 +214,7 @@ Apache 2.0 licenses
 The following components are provided under the Apache License. See project link for details.
 The text of each license is the standard Apache 2.0 license.
     ScriptRunner from https://github.com/mybatis/mybatis-3 Apache 2.0
-    mvnw files from https://github.com/takari/maven-wrapper Apache 2.0
+    mvnw files from https://github.com/apache/maven-wrapper Apache 2.0
     PropertyPlaceholderHelper from https://github.com/spring-projects/spring-framework Apache 2.0
     DolphinPluginClassLoader from https://github.com/prestosql/presto Apache 2.0
     DolphinPluginDiscovery from https://github.com/prestosql/presto Apache 2.0
diff --git a/mvnw b/mvnw
index 05b9e0729c..5643201c7d 100755
--- a/mvnw
+++ b/mvnw
@@ -34,137 +34,132 @@
 #   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
 # ----------------------------------------------------------------------------
 
-if [ -z "$MAVEN_SKIP_RC" ]; then
+if [ -z "$MAVEN_SKIP_RC" ] ; then
 
-  if [ -f /etc/mavenrc ]; then
+  if [ -f /usr/local/etc/mavenrc ] ; then
+    . /usr/local/etc/mavenrc
+  fi
+
+  if [ -f /etc/mavenrc ] ; then
     . /etc/mavenrc
   fi
 
-  if [ -f "$HOME/.mavenrc" ]; then
+  if [ -f "$HOME/.mavenrc" ] ; then
     . "$HOME/.mavenrc"
   fi
 
 fi
 
 # OS specific support.  $var _must_ be set to either true or false.
-cygwin=false
-darwin=false
+cygwin=false;
+darwin=false;
 mingw=false
-case "$(uname)" in
-CYGWIN*) cygwin=true ;;
-MINGW*) mingw=true ;;
-Darwin*)
-  darwin=true
-  # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
-  # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
-  if [ -z "$JAVA_HOME" ]; then
-    if [ -x "/usr/libexec/java_home" ]; then
-      JAVA_HOME="$(/usr/libexec/java_home)"
-      export JAVA_HOME
-    else
-      JAVA_HOME="/Library/Java/Home"
-      export JAVA_HOME
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
     fi
-  fi
-  ;;
+    ;;
 esac
 
-if [ -z "$JAVA_HOME" ]; then
-  if [ -r /etc/gentoo-release ]; then
-    JAVA_HOME=$(java-config --jre-home)
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
   fi
 fi
 
-if [ -z "$M2_HOME" ]; then
+if [ -z "$M2_HOME" ] ; then
   ## resolve links - $0 may be a link to maven's home
   PRG="$0"
 
   # need this for relative symlinks
-  while [ -h "$PRG" ]; do
-    ls=$(ls -ld "$PRG")
-    link=$(expr "$ls" : '.*-> \(.*\)$')
-    if expr "$link" : '/.*' >/dev/null; then
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
       PRG="$link"
     else
-      PRG="$(dirname "$PRG")/$link"
+      PRG="`dirname "$PRG"`/$link"
     fi
   done
 
-  saveddir=$(pwd)
+  saveddir=`pwd`
 
-  M2_HOME=$(dirname "$PRG")/..
+  M2_HOME=`dirname "$PRG"`/..
 
   # make it fully qualified
-  M2_HOME=$(cd "$M2_HOME" && pwd)
+  M2_HOME=`cd "$M2_HOME" && pwd`
 
-  cd "$saveddir" || exit
+  cd "$saveddir"
   # echo Using m2 at $M2_HOME
 fi
 
 # For Cygwin, ensure paths are in UNIX format before anything is touched
-if $cygwin; then
+if $cygwin ; then
   [ -n "$M2_HOME" ] &&
-    M2_HOME=$(cygpath --unix "$M2_HOME")
+    M2_HOME=`cygpath --unix "$M2_HOME"`
   [ -n "$JAVA_HOME" ] &&
-    JAVA_HOME=$(cygpath --unix "$JAVA_HOME")
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
   [ -n "$CLASSPATH" ] &&
-    CLASSPATH=$(cygpath --path --unix "$CLASSPATH")
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
 fi
 
 # For Mingw, ensure paths are in UNIX format before anything is touched
-if $mingw; then
+if $mingw ; then
   [ -n "$M2_HOME" ] &&
-    M2_HOME="$( (
-      cd "$M2_HOME" || exit
-      pwd
-    ))"
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
   [ -n "$JAVA_HOME" ] &&
-    JAVA_HOME="$( (
-      cd "$JAVA_HOME" || exit
-      pwd
-    ))"
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
 fi
 
 if [ -z "$JAVA_HOME" ]; then
-  javaExecutable="$(command -v javac)"
-  if [ -n "$javaExecutable" ] && ! [ "$(expr "$javaExecutable" : '\([^ ]*\)')" = "no" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
     # readlink(1) is not available as standard on Solaris 10.
-    readLink=$(command -v readlink)
-    if [ ! "$(expr "$readLink" : '\([^ ]*\)')" = "no" ]; then
-      if $darwin; then
-        javaHome="$(dirname "$javaExecutable")"
-        javaExecutable="$(cd "$javaHome" && pwd -P)/javac"
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
       else
-        javaExecutable="$(readlink -f "$javaExecutable")"
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
       fi
-      javaHome="$(dirname "$javaExecutable")"
-      javaHome=$(expr "$javaHome" : '\(.*\)/bin')
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
       JAVA_HOME="$javaHome"
       export JAVA_HOME
     fi
   fi
 fi
 
-if [ -z "$JAVACMD" ]; then
-  if [ -n "$JAVA_HOME" ]; then
-    if [ -x "$JAVA_HOME/jre/sh/java" ]; then
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
       # IBM's JDK on AIX uses strange locations for the executables
       JAVACMD="$JAVA_HOME/jre/sh/java"
     else
       JAVACMD="$JAVA_HOME/bin/java"
     fi
   else
-    JAVACMD="$(command -v java)"
+    JAVACMD="`\\unset -f command; \\command -v java`"
   fi
 fi
 
-if [ ! -x "$JAVACMD" ]; then
+if [ ! -x "$JAVACMD" ] ; then
   echo "Error: JAVA_HOME is not defined correctly." >&2
   echo "  We cannot execute $JAVACMD" >&2
   exit 1
 fi
 
-if [ -z "$JAVA_HOME" ]; then
+if [ -z "$JAVA_HOME" ] ; then
   echo "Warning: JAVA_HOME environment variable is not set."
 fi
 
@@ -174,24 +169,22 @@ CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
 # first directory with .mvn subdirectory is considered project base directory
 find_maven_basedir() {
 
-  if [ -z "$1" ]; then
+  if [ -z "$1" ]
+  then
     echo "Path not specified to find_maven_basedir"
     return 1
   fi
 
   basedir="$1"
   wdir="$1"
-  while [ "$wdir" != '/' ]; do
-    if [ -d "$wdir"/.mvn ]; then
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
       basedir=$wdir
       break
     fi
     # workaround for JBEAP-8937 (on Solaris 10/Sparc)
     if [ -d "${wdir}" ]; then
-      wdir=$(
-        cd "$wdir/.." || exit
-        pwd
-      )
+      wdir=`cd "$wdir/.."; pwd`
     fi
     # end of workaround
   done
@@ -201,13 +194,13 @@ find_maven_basedir() {
 # concatenates all lines of a file
 concat_lines() {
   if [ -f "$1" ]; then
-    tr -s '\n' ' ' <"$1"
+    echo "$(tr -s '\n' ' ' < "$1")"
   fi
 }
 
-BASE_DIR=$(find_maven_basedir "$(pwd)")
+BASE_DIR=`find_maven_basedir "$(pwd)"`
 if [ -z "$BASE_DIR" ]; then
-  exit 1
+  exit 1;
 fi
 
 ##########################################################################################
@@ -215,78 +208,75 @@ fi
 # This allows using the maven wrapper in projects that prohibit checking in binary data.
 ##########################################################################################
 if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
-  if [ "$MVNW_VERBOSE" = true ]; then
-    echo "Found .mvn/wrapper/maven-wrapper.jar"
-  fi
-else
-  if [ "$MVNW_VERBOSE" = true ]; then
-    echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
-  fi
-  if [ -n "$MVNW_REPOURL" ]; then
-    jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
-  else
-    jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
-  fi
-  while IFS="=" read -r key value; do
-    case "$key" in wrapperUrl)
-      jarUrl="$value"
-      break
-      ;;
-    esac
-  done <"$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
-  if [ "$MVNW_VERBOSE" = true ]; then
-    echo "Downloading from: $jarUrl"
-  fi
-  wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
-  if $cygwin; then
-    wrapperJarPath=$(cygpath --path --windows "$wrapperJarPath")
-  fi
-
-  if command -v wget >/dev/null; then
     if [ "$MVNW_VERBOSE" = true ]; then
-      echo "Found wget ... using wget"
+      echo "Found .mvn/wrapper/maven-wrapper.jar"
     fi
-    if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
-      wget "$jarUrl" -O "$wrapperJarPath"
-    else
-      wget --http-user="$MVNW_USERNAME" --http-password="$MVNW_PASSWORD" "$jarUrl" -O "$wrapperJarPath"
-    fi
-  elif command -v curl >/dev/null; then
+else
     if [ "$MVNW_VERBOSE" = true ]; then
-      echo "Found curl ... using curl"
+      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
     fi
-    if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
-      curl -o "$wrapperJarPath" "$jarUrl" -f
+    if [ -n "$MVNW_REPOURL" ]; then
+      jarUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
     else
-      curl --user "$MVNW_USERNAME":"$MVNW_PASSWORD" -o "$wrapperJarPath" "$jarUrl" -f
+      jarUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
     fi
-
-  else
+    while IFS="=" read key value; do
+      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+      esac
+    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
     if [ "$MVNW_VERBOSE" = true ]; then
-      echo "Falling back to using Java to download"
+      echo "Downloading from: $jarUrl"
     fi
-    javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
-    # For Cygwin, switch paths to Windows format before running javac
+    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
     if $cygwin; then
-      javaClass=$(cygpath --path --windows "$javaClass")
+      wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
     fi
-    if [ -e "$javaClass" ]; then
-      if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+
+    if command -v wget > /dev/null; then
         if [ "$MVNW_VERBOSE" = true ]; then
-          echo " - Compiling MavenWrapperDownloader.java ..."
+          echo "Found wget ... using wget"
         fi
-        # Compiling the Java class
-        ("$JAVA_HOME/bin/javac" "$javaClass")
-      fi
-      if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
-        # Running the downloader
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            wget "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+        else
+            wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+        fi
+    elif command -v curl > /dev/null; then
         if [ "$MVNW_VERBOSE" = true ]; then
-          echo " - Running MavenWrapperDownloader.java ..."
+          echo "Found curl ... using curl"
+        fi
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            curl -o "$wrapperJarPath" "$jarUrl" -f
+        else
+            curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
+        fi
+
+    else
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Falling back to using Java to download"
+        fi
+        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        # For Cygwin, switch paths to Windows format before running javac
+        if $cygwin; then
+          javaClass=`cygpath --path --windows "$javaClass"`
+        fi
+        if [ -e "$javaClass" ]; then
+            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Compiling MavenWrapperDownloader.java ..."
+                fi
+                # Compiling the Java class
+                ("$JAVA_HOME/bin/javac" "$javaClass")
+            fi
+            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                # Running the downloader
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Running MavenWrapperDownloader.java ..."
+                fi
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+            fi
         fi
-        ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
-      fi
     fi
-  fi
 fi
 ##########################################################################################
 # End of extension
@@ -294,31 +284,33 @@ fi
 
 export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
 if [ "$MVNW_VERBOSE" = true ]; then
-  echo "$MAVEN_PROJECTBASEDIR"
+  echo $MAVEN_PROJECTBASEDIR
 fi
 MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
 
 # For Cygwin, switch paths to Windows format before running java
 if $cygwin; then
   [ -n "$M2_HOME" ] &&
-    M2_HOME=$(cygpath --path --windows "$M2_HOME")
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
   [ -n "$JAVA_HOME" ] &&
-    JAVA_HOME=$(cygpath --path --windows "$JAVA_HOME")
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
   [ -n "$CLASSPATH" ] &&
-    CLASSPATH=$(cygpath --path --windows "$CLASSPATH")
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
   [ -n "$MAVEN_PROJECTBASEDIR" ] &&
-    MAVEN_PROJECTBASEDIR=$(cygpath --path --windows "$MAVEN_PROJECTBASEDIR")
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
 fi
 
 # Provide a "standardized" way to retrieve the CLI args that will
 # work with both Windows and non-Windows executions.
-MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $*"
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
 export MAVEN_CMD_LINE_ARGS
 
 WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
 
 exec "$JAVACMD" \
   $MAVEN_OPTS \
+  $MAVEN_DEBUG_OPTS \
   -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
-  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  "-Dmaven.home=${M2_HOME}" \
+  "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
   ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
diff --git a/mvnw.cmd b/mvnw.cmd
index 86115719e5..8a15b7f311 100644
--- a/mvnw.cmd
+++ b/mvnw.cmd
@@ -46,8 +46,8 @@ if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
 @REM Execute a user defined script before this one
 if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
 @REM check for pre script, once with legacy .bat ending and once with .cmd ending
-if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
-if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
+if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
 :skipRcPre
 
 @setlocal
@@ -120,9 +120,9 @@ SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
 set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
 set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
 
-set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
 
-FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
     IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
 )
 
@@ -134,7 +134,7 @@ if exist %WRAPPER_JAR% (
     )
 ) else (
     if not "%MVNW_REPOURL%" == "" (
-        SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
     )
     if "%MVNW_VERBOSE%" == "true" (
         echo Couldn't find %WRAPPER_JAR%, downloading it ...
@@ -158,7 +158,13 @@ if exist %WRAPPER_JAR% (
 @REM work with both Windows and non-Windows executions.
 set MAVEN_CMD_LINE_ARGS=%*
 
-%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+%MAVEN_JAVA_EXE% ^
+  %JVM_CONFIG_MAVEN_PROPS% ^
+  %MAVEN_OPTS% ^
+  %MAVEN_DEBUG_OPTS% ^
+  -classpath %WRAPPER_JAR% ^
+  "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
+  %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
 if ERRORLEVEL 1 goto error
 goto end
 
@@ -168,15 +174,15 @@ set ERROR_CODE=1
 :end
 @endlocal & set ERROR_CODE=%ERROR_CODE%
 
-if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
 @REM check for post script, once with legacy .bat ending and once with .cmd ending
-if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
-if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
+if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
 :skipRcPost
 
 @REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
-if "%MAVEN_BATCH_PAUSE%" == "on" pause
+if "%MAVEN_BATCH_PAUSE%"=="on" pause
 
-if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
 
-exit /B %ERROR_CODE%
+cmd /C exit /B %ERROR_CODE%