services.xml build.xml cannot generate the stubs

build xml file

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE project>
<project name="3500259" basedir="." default="generate.stubs">
    <property environment="env"/>
    <property file="build.properties"/>
    <property name="build.dir" value="build"/>
    <path id="axis2.classpath">
        <!-- pick up log4j.properties in the project root -->
        <pathelement location="./src"/>
        <fileset dir="F:\axisServiceHome\axis2-1.6.2/lib">
            <include name="*.jar"/>
        </fileset>
    </path>
    <target name="generate.stubs">
        <!-- modified and commented by 3500259 -->
        <java classname="org.apache.axis2.wsdl.WSDL2Java"   classpathref="axis2.classpath">
            <!-- the location of the wsdl (which is automatically generated 
            by Axis) -->
            <arg line="-uri ${librarywsdl.uri}"/>
            <!-- overwrite existing generated code (if it exists) -->
            <arg line="-or"/>
            <!-- Generate Java stub (since axis is multi-language) -->
            <arg line="-l java"/>
            <!-- unwrap paramaters to java types -->
            <arg line="-uw"/>
            <!-- specifiy destination package -->
            <arg line="-p stubs"/>
            <!-- databinding technique between SOAP and Java (ADB=proprietry 
            Axis data binding) -->
            <arg line="-d adb"/>
        </java>
    </target>
</project>

build properties file

librarywsdl.uri=http://localhost:8080/axis2/services/Library?wsdl
axis2.home=F:/axisServiceHome/axis2-1.6.2

services xml file

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE xml>
 <servicegroup>
<service name="AccommodationServiceImpl"class="accommodation.AccommodationServiceImpl"scope="application" targetNamespace="http://AccommodationServiceImpl/">
    <description>AccommodationService</description>
    <messageReceivers>
        <messageReceiver mep="http://ift.tt/1v6LyEG"
            class="org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver"  />
        <messageReceiver mep="http://ift.tt/1sYKKjP"
            class="org.apache.axis2.rpc.receivers.RPCMessageReceiver" />
    </messageReceivers>
    <schema schemaNamespace="http://AccommodationServiceImpl/xsd" />
    <parameter    name="AccommodationServiceImpl">AccommodationServiceImpl</parameter>
</service>
<service name="AirlineServiceImpl" class="airline.AirlineServiceImpl"  scope="application" targetNamespace="http://AirlineServiceImpl/">
    <description>AirlineService</description>
    <messageReceivers>
        <messageReceiver mep="http://ift.tt/1v6LyEG"
            class="org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver" />
        <messageReceiver mep="http://ift.tt/1sYKKjP"
            class="org.apache.axis2.rpc.receivers.RPCMessageReceiver" />
    </messageReceivers>
    <schema schemaNamespace="http://AirlineServiceImpl/xsd" />
    <parameter name="AirlineServiceImpl">AirlineServiceImpl</parameter>
</service>
</servicegroup>

error are throw out

Retrieving document at '${librarywsdl.uri}'.
 [java] org.apache.axis2.wsdl.codegen.CodeGenerationException: Error parsing WSDL

Is there anything wrong with the three files? I cannot generate the .arr file. These three files are from a web service project I am working on.