checkJava() {
    if [ -x "$JAVA_HOME/bin/java" ]; then
        JAVA="$JAVA_HOME/bin/java"
    else
        JAVA=`which java`
    fi

    if [ ! -x "$JAVA" ]; then
        echo "Could not find any executable java binary. Please install java in your PATH or set JAVA_HOME"
        exit 1
    fi
}

start() {
    checkJava
    [ -x $exec ] || exit 5

    # Ensure that the PID_DIR exists (it is cleaned at OS startup time)

    . "$FESS_INCLUDE"
fi

if [ -x "$JAVA_HOME/bin/java" ]; then
    JAVA="$JAVA_HOME/bin/java"
else
    JAVA=`which java`
fi

if [ ! -x "$JAVA" ]; then
    echo "Could not find any executable java binary. Please install java in your PATH or set JAVA_HOME"
    exit 1
fi

if [ -z "$FESS_CLASSPATH" ]; then
    echo "You must set the FESS_CLASSPATH var" >&2
    exit 1
fi

# Special-case path variables.
case `uname` in

# Not stripping external libraries
fess binary: unstripped-binary-or-object
# Ignore arch dependent warnings, we chose the right libs on start
fess binary: arch-dependent-file-in-usr-share
# Please check our changelog at https://github.com/codelibs/fess

checkJava() {
	if [ -x "$JAVA_HOME/bin/java" ]; then
		JAVA="$JAVA_HOME/bin/java"
	else
		JAVA=`which java`
	fi

	if [ ! -x "$JAVA" ]; then
		echo "Could not find any executable java binary. Please install java in your PATH or set JAVA_HOME"
		exit 1
	fi
}

case "$1" in
  start)
	checkJava

	if [ -n "$MAX_LOCKED_MEMORY" -a -z "$FESS_HEAP_SIZE" ]; then