Jessica Cheng Mallet created SOLR-6854:
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Summary: Stale cached state in CloudSolrServer
Key: SOLR-6854
URL: https://issues.apache.org/jira/browse/SOLR-6854
Project: Solr
Issue Type: Bug
Components: SolrCloud, SolrJ
Reporter: Jessica Cheng Mallet
CloudSolrServer’s cached state is not being updated for a newly created
collection if we started polling for the collection state too early and a
"down" state is cached. Requests to the newly created collection continues to
fail with "No live SolrServers available to handle this request" until the
cache is invalidated by time.
Logging on the client side reveals that while the state in ZkStateReader is
updated to "active", the cached state in CloudSolrServer remains in "down".
{quote}
CloudSolrServer cached state:
DocCollection(collection-1418250319268)={
"shards":{"shard1":{
"range":"80000000-7fffffff",
"state":"active",
"replicas":{"core_node1":{
"state":"down",
"base_url":"http://localhost:8983/solr";,
"core":"collection-1418250319268_shard1_replica1",
"node_name":"localhost:8983_solr"}}}},
"maxShardsPerNode":"1",
"external":"true",
"router":{"name":"compositeId"},
"replicationFactor":"1”}
ZkStateReader state:
DocCollection(collection-1418250319268)={
"shards":{"shard1":{
"range":"80000000-7fffffff",
"state":"active",
"replicas":{"core_node1":{
"state":"active",
"base_url":"http://localhost:8983/solr";,
"core":"collection-1418250319268_shard1_replica1",
"node_name":"localhost:8983_solr",
"leader":"true"}}}},
"maxShardsPerNode":"1",
"router":{"name":"compositeId"},
"external":"true",
"replicationFactor":"1”}
{quote}
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