4 unassigned noeds how to remove

My cluster are have 4 unassigned nodes and is alway save nodes how to
resolve it I try to optimize, flush, but unassigned shard still 4. do you
have any solution for fix it.
Cluster health


  • cluster_name: "zocialinc",
  • status: "red",
  • timed_out: false,
  • number_of_nodes: 3,
  • number_of_data_nodes: 3,
  • active_primary_shards: 258,
  • active_shards: 514,
  • relocating_shards: 0,
  • initializing_shards: 2,
  • unassigned_shards: 4



[2014-07-25 03:58:54,706][WARN ][cluster.action.shard ] [Host88]
[location][15] sending failed shard for [location][15],
node[sQEMBQGMT1eyDrPwF-xGeA], [P], s[INITIALIZING], indexUUID
[rQCmT3zSSdWoVspVW1eXcA], reason [Failed to start shard, message
[IndexShardGatewayRecoveryException[[location][15] failed to recover
shard]; nested: IllegalArgumentException[No type mapped for [-1]]; ]]


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