[SOLR-9089] Nodes appear twice in state.json

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 6.0
• Component/s: SolrCloud
• Assignee: Unassigned
• Reporter: Markus Jelsma
• Created: 09/May/16 10:54
• Updated: 28/May/16 13:42

Description

We've just upgraded a development environment from 5.5 to Solr 6.0. After the upgrade, which went fine, we see two replica's appear twice in the cloud view (see below), both being leader.

{"search":{ 
    "replicationFactor":"3", 
    "shards":{ 
      "shard1":{ 
        "range":"80000000-ffffffff", 
        "state":"active", 
        "replicas":{ 
          "core_node6":{ 
            "core":"search_shard1_replica1", 
            "base_url":"http://idx5.oi.dev:8983/solr", 
            "node_name":"idx5.oi.dev:8983_solr", 
            "state":"down"}, 
          "core_node2":{ 
            "core":"search_shard1_replica2", 
            "base_url":"http://idx2.oi.dev:8983/solr", 
            "node_name":"idx2.oi.dev:8983_solr", 
            "state":"active", 
            "leader":"true"}, 
          "core_node3":{ 
            "core":"search_shard1_replica2", 
            "base_url":"http://idx2.oi.dev:8983/solr", 
            "node_name":"idx2.oi.dev:8983_solr", 
            "state":"down", 
            "leader":"true"}, 
          "core_node5":{ 
            "core":"search_shard1_replica3", 
            "base_url":"http://idx3.oi.dev:8983/solr", 
            "node_name":"idx3.oi.dev:8983_solr", 
            "state":"down"}}}, 
      "shard2":{ 
        "range":"0-7fffffff", 
        "state":"active", 
        "replicas":{ 
          "core_node1":{ 
            "core":"search_shard2_replica1", 
            "base_url":"http://idx4.oi.dev:8983/solr", 
            "node_name":"idx4.oi.dev:8983_solr", 
            "state":"down"}, 
          "core_node2":{ 
            "core":"search_shard2_replica2", 
            "base_url":"http://idx6.oi.dev:8983/solr", 
            "node_name":"idx6.oi.dev:8983_solr", 
            "state":"down"}, 
          "core_node4":{ 
            "core":"search_shard2_replica3", 
            "base_url":"http://idx1.oi.dev:8983/solr", 
            "node_name":"idx1.oi.dev:8983_solr", 
            "state":"active", 
            "leader":"true"}}}}, 
    "router":{"name":"compositeId"}, 
    "maxShardsPerNode":"1", 
    "autoAddReplicas":"false"}} 

See: http://lucene.472066.n3.nabble.com/Nodes-appear-twice-in-state-json-td4274504.html#none