Edit C:\dspace\config\spring\api\identifier-service.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--

A copy of the DuraSpace License has been included in this
    distribution and is available at: http://www.dspace.org/license

-->
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
           http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">

<bean id="org.dspace.identifier.service.IdentifierService"
          class="org.dspace.identifier.IdentifierServiceImpl"
          autowire="byType"
          scope="singleton"/>

<!-- Uncomment to enable DOI using EZID
    <bean id="org.dspace.identifier.EZIDIdentifierProvider"
          class="org.dspace.identifier.EZIDIdentifierProvider"
          scope='singleton'>
        <description>Uses the EZID service to provide DOI identifiers from DataCite</description>
        <property name="configurationService"
                      ref="org.dspace.services.ConfigurationService"/>
        <property name='requestFactory'>
            <bean class='org.dspace.identifier.ezid.EZIDRequestFactory'>
                <property name='EZID_SCHEME' value='https'/>
                <property name='EZID_HOST' value='ezid.cdlib.org'/>
                <property name='EZID_PATH' value=''/>
            </bean>
        </property>
        <property name='crosswalk'>
            <map>
                <entry key='datacite.creator' value='dc.contributor.author'/>
                <entry key='datacite.title' value='dc.title'/>
                <entry key='datacite.publisher' value='dc.publisher'/>
                <entry key='datacite.publicationyear' value='dc.date.issued'/>
            </map>
        </property>
        <property name='crosswalkTransform'>
            <description>How to compute the crosswalked value from the original.  Default is plain copy.</description>
            <map>
                <entry key='datacite.publicationyear'>
                    <bean class='org.dspace.identifier.ezid.DateToYear'/>
                </entry>
            </map>
        </property>
        <property name='generateDataciteXML' value='false'/>
        <property name='disseminationCrosswalkName' value='DataCite'/>

</bean>
    -->

</beans>

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