OSX 10.13 $ ./squirrel-sql.sh Error: Could not find or load main class JavaVersionChecker

squirrel-sql.sh

#! /bin/sh -x

ABSPATH=$(cd "$(dirname "$0")"; pwd)

# This function sets a global variable named "CP" to a command-path separated list of jars located beneath the 
# specified folder.  If the specified folder contains a lib directory, then jars beneath the lib folder are 
# @ added as well as the squirrel-sql.jar file located in the directory specified as the first argument to 
# this function. 
buildCPFromDir()
{
    CP=""
    if [ -d "$1"/lib ]; then
        # First entry in classpath is the Squirrel application.
        CP="$1/squirrel-sql.jar"

        # Then add all library jars to the classpath.
        for a in "$1"/lib/*; do
            CP="$CP":"$a"
        done
    else 
        for a in "$1"/*; do
            CP="$CP":"$a"
        done
    fi
} 

# IZPACK_JAVA_HOME is filtered in by the IzPack installer when this script is installed
IZPACK_JAVA_HOME=/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home

# We detect the java executable to use according to the following algorithm:
#
# 1. If it is located in JAVA_HOME, then we use that; or
# 2. If the one used by the IzPack installer is available then use that, otherwise
# 3. Use the java that is in the command path.
# 
if [ -d "$JAVA_HOME" -a -x "$JAVA_HOME/bin/java" ]; then
    JAVACMD="$JAVA_HOME/bin/java"
elif [ -d "$IZPACK_JAVA_HOME" -a -x "$IZPACK_JAVA_HOME/bin/java" ]; then
    JAVACMD="$IZPACK_JAVA_HOME/bin/java"
else
    JAVACMD=java
fi

# Are we running within Cygwin on some version of Windows or on Mac OS X?
cygwin=false;
macosx=false;
case "`uname -s`" in
    CYGWIN*) 
        cygwin=true 
        ;;
    Darwin*) 
        macosx=true
        ;;
esac

# SQuirreL home.
if $macosx ; then
#    SQUIRREL_SQL_HOME=`dirname "$0"`/Contents/Resources/Java
    SQUIRREL_SQL_HOME=$(echo $ABSPATH | grep -o '^/.*/Contents/')Resources/Java
    if [ ! -d "$SQUIRREL_SQL_HOME" ]; then
        # We assume that this is the ZIP file extracted on MacOS,
        # so, fall-back to the defult path
        SQUIRREL_SQL_HOME=`dirname "$0"`
    fi

else 
    SQUIRREL_SQL_HOME='/Applications/SQuirreLSQL.app'
fi

# SQuirreL home in Unix format.
if $cygwin ; then
    UNIX_STYLE_HOME=`cygpath "$SQUIRREL_SQL_HOME"`
else
    UNIX_STYLE_HOME="$SQUIRREL_SQL_HOME"
fi

cd "$UNIX_STYLE_HOME"

# Check to see if the JVM meets the minimum required to run SQuirreL and inform the user if not and skip 
# launch.  versioncheck.jar is a special jar file which has been compiled with javac version 1.2.2, which 
# should be able to be run by that version or higher. The arguments to JavaVersionChecker below specify the 
# minimum acceptable version (first arg) and any other acceptable subsequent versions.  <MAJOR>.<MINOR> should 
# be all that is necessary for the version form. 
$JAVACMD -cp "$UNIX_STYLE_HOME/lib/versioncheck.jar" JavaVersionChecker 1.6 1.7 1.8
if [ "$?" = "1" ]; then
    exit
fi

# Build a command-path separated list of installed jars from the lib folder and squirrel-sql.jar
buildCPFromDir "$UNIX_STYLE_HOME"
TMP_CP=$CP

# Now add the system classpath to the classpath. If running
# Cygwin we also need to change the classpath to Windows format.
if $cygwin ; then
    TMP_CP=`cygpath -w -p $TMP_CP`
    TMP_CP=$TMP_CP';'$CLASSPATH
else
    TMP_CP=$TMP_CP:$CLASSPATH
fi

if $macosx ; then
    # Define mac-specific system properties if running on Mac OS X
    MACOSX_SQUIRREL_PROPS="-Dapple.laf.useScreenMenuBar=true -Dcom.apple.mrj.application.apple.menu.about.name=SQuirreLSQL"
    NATIVE_LAF_PROP="--native-laf"
fi

if $macosx ; then
    # macosx provides unknown args to the script, causing SQuirreL to bail..
    SCRIPT_ARGS=""
else
    SCRIPT_ARGS="$1 $2 $3 $4 $5 $6 $7 $8 $9"
fi

# Now, pickup all jars once again from the installation and lib directories. The variable "CP" is assigned this value.
buildCPFromDir "$UNIX_STYLE_HOME"

# Launch SQuirreL application
$JAVACMD -Xmx256m -cp "$CP" $MACOSX_SQUIRREL_PROPS -splash:"$SQUIRREL_SQL_HOME/icons/splash.jpg" net.sourceforge.squirrel_sql.client.Main --log-config-file "$UNIX_STYLE_HOME"/log4j.properties --squirrel-home "$UNIX_STYLE_HOME" $NATIVE_LAF_PROP $SCRIPT_ARGS