[xwiki-users] solr.xml file missing

Hello, I am migrating my Debian server from Wheezy to Jessie to have the latest xwiki stable version. Tomcat 7.0.56 Apache 2.4.10 JAVA 8 At this moment I got some errors in catalina.out about the missing of the file solr.xml. How can I retrieve it ? I look on the net without success, I reinstall the package xwiki-solr, but this file do not came back. root@CESAP-WIKI01:/var/lib/xwiki/data/solr# dpkg -l | grep wiki rc xwiki-common 8.2.1 all XWiki is a free wiki software platform written in Java with a design emphasis ii xwiki-enterprise-common 8.2.1 all XWiki is a free wiki software platform written in Java with a design emphasis ii xwiki-enterprise-pgsql-common 8.2.1 all XWiki is a free wiki software platform written in Java with a design emphasis rc xwiki-enterprise-tomcat-common 6.4.2+1 all XWiki is a free wiki software platform written in Java with a design emphasis ii xwiki-enterprise-tomcat7-common 8.2.1 all XWiki is a free wiki software platform written in Java with a design emphasis ii xwiki-enterprise-tomcat7-pgsql 8.2.1 all XWiki is a free wiki software platform written in Java with a design emphasis ii xwiki-solr-data 8.2.1 all XWiki is a free wiki software platform written in Java with a design emphasis root@CESAP-WIKI01:/var/lib/xwiki/data/solr# Have you any idea ? THanks a lot Cordialement Stéphane Lassire