Solr won't add my fields : schema.xml

Question

I am working with Solr 5.2.1 , i got everything working fine but i can't add field to index. Here is my schema.xml

      <schema name="example" version="1.5"> 
<fields>
    <field name="COTID" type="string" indexed="true" stored="true" required="true"/>
     <field name="COTREF" type="string" indexed="true" stored="true" required="true" multiValued="false"/>
    <field name="COTTYPEREF" type="string" indexed="true" stored="true" required="true" multiValued="false"/>
    <field name="COTTYPE" type="string" indexed="true" stored="true" required="true" multiValued="false"/>
     <field name="COTTEXTE" type="string" indexed="true" stored="true" required="false" multiValued="true"/>
</fields>
<uniqueKey>COTID</uniqueKey>
<types>
<fieldType name="string" class="solr.StrField" sortMissingLast="true"/>
<fieldType name="date" class="solr.TrieDateField" precisionStep="0" positionIncrementGap="0"/>
<fieldType name="long" class="solr.TrieLongField" precisionStep="0" positionIncrementGap="0"/>
<fieldType name="text_en" class="solr.TextField" positionIncrementGap="100">
<!-- lots of details -->
</fieldType>
<fieldType name="currency" class="solr.CurrencyField" precisionStep="8" defaultCurrency="USD" currencyConfig="currency.xml"/>
</types>
</schema>

can you help please ? Thanks

Answer 1

If you modify any of Solr configuration files you need to Restart your Solr so that it starts according to your configuration setting. you should restart Solr or reload your core and check what error you are getting.

(refer below URL, change URL names according to you) to reload core

http://127.0.0.1:8080/solr/admin/cores?action=RELOAD&core=core1