rails sunspot solr Connection Refused when reindex

first Install OpenJDK 8 JDK

To install OpenJDK 8 JDK using yum, run this command:

sudo yum install java-1.8.0-openjdk-devel

1.ps aux | grep solr to get solr process ID

2.sudo kill <ID>, is the ID you found from 1

3.rm -rvf <path/to/solr> remove the solr directory inside your project to remove all of previous indexes

4.RAILS_ENV=production bundle exec rake sunspotstart

5.Change the path to /solr/default inside config/sunspot.yml

development:
  solr:
    hostname: localhost
    port: 8982
    log_level: INFO
    path: /solr/default

6.重建索引

RAILS_ENV=production bundle exec rake sunspotreindex