解决solr无法加core

错误提示

提示缺少配置文件：Error CREATEing SolrCore 'new_core': Unable to create core [new_core] Caused by: Can't find resource 'solrconfig.xml' in classpath or '/usr/local/solr7/solrhome/new_core'

[root@localhost ~]# cp /usr/local/solr/solr-7.3.0/server/solr/configsets/_default/conf -r /usr/local/solr/solrhome/new_core/      

[root@localhost conf]# /usr/local/solr/tomcat8/bin/shutdown.sh      

[root@localhost conf]# /usr/local/solr/tomcat8/bin/startup.sh