Issue to upgrade solr cloud

am struggling from last few days to migrate solr 5.2.1 to Solr 7.7.1. Can you please share your inputs or please assist me? Thanks, Yogesh Chaudhari

no servers hosting shard: shard2

org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:516) Thanks, Yogesh Chaudhari

RE: Solr Upgrade socketTimeout issue in 8.2

stuck get get old document in migrated solr version. Should I do the re-indexing? If yes can you please share the way to re-indexing? Can you please provide your inputs on this? Thanks, Yogesh Chaudhari -Original Message- From: kshitij tyagi Sent: Wednesday, February 19, 2020 12:52

Want to upgrade Solr 5.2.1 to 7.7.2

Solr 7.7.2 on windows without affecting existing solr data (want to maintained)? Thanks, Yogesh Chaudhari