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From sthita <sthit...@gmail.com>
Subject Re: Solr went on recovery multiple time.
Date Wed, 22 Apr 2015 04:37:03 GMT
After changing zookeeper time out from 10sec to 45/50 sec and monitoring for
a long time i can observe servers went on recovery multiple times, but the
Exceptions are some what different : 

 INFO  - 2015-04-22 09:02:47.943;
org.apache.solr.common.cloud.ConnectionManager; Watcher
org.apache.solr.common.cloud.ConnectionManager@6ad2b64e
name:ZooKeeperConnection
Watcher:bot1:2181,bot2:2181,bot3:2181,bot4:2181,bot5:2181 got event
WatchedEvent state:SyncConnected type:None path:null path:null type:None
INFO  - 2015-04-22 09:02:47.944;
org.apache.solr.common.cloud.ConnectionManager; Client is connected to
ZooKeeper
INFO  - 2015-04-22 09:02:47.944;
org.apache.solr.common.cloud.ConnectionManager$1; Connection with ZooKeeper
reestablished.
WARN  - 2015-04-22 09:02:47.944; org.apache.solr.cloud.RecoveryStrategy;
Stopping recovery for
zkNodeName=searcher1.abc:8980_solr_dict_en_shard1_replica4core=dict_en_shard1_replica4
WARN  - 2015-04-22 09:02:47.944; org.apache.solr.cloud.RecoveryStrategy;
Stopping recovery for
zkNodeName=searcher1.abc:8980_solr_dict_cn_shard1_replica2core=dict_cn_shard1_replica2
WARN  - 2015-04-22 09:02:47.944; org.apache.solr.cloud.RecoveryStrategy;
Stopping recovery for
zkNodeName=searcher1.abc:8980_solr_dict_hk_shard1_replica4core=dict_hk_shard1_replica4
WARN  - 2015-04-22 09:02:47.944; org.apache.solr.cloud.RecoveryStrategy;
Stopping recovery for
zkNodeName=searcher1.abc:8980_solr_dict_jp_shard1_replica3core=dict_jp_shard1_replica3
WARN  - 2015-04-22 09:02:47.945; org.apache.solr.cloud.RecoveryStrategy;
Stopping recovery for
zkNodeName=searcher1.abc:8980_solr_dict_vn_shard1_replica3core=dict_vn_shard1_replica3
WARN  - 2015-04-22 09:02:47.945; org.apache.solr.cloud.RecoveryStrategy;
Stopping recovery for
zkNodeName=searcher1.abc:8980_solr_dict_th_shard1_replica3core=dict_th_shard1_replica3
WARN  - 2015-04-22 09:02:47.945; org.apache.solr.cloud.RecoveryStrategy;
Stopping recovery for
zkNodeName=searcher1.abc:8980_solr_dict_nl_shard1_replica2core=dict_nl_shard1_replica2
INFO  - 2015-04-22 09:02:47.945; org.apache.solr.cloud.ZkController;
publishing core=rn0 state=down
INFO  - 2015-04-22 09:02:47.945; org.apache.solr.cloud.ZkController;
numShards not found on descriptor - reading it from system property
INFO  - 2015-04-22 09:02:47.951;
org.apache.solr.client.solrj.impl.HttpClientUtil; Creating new http client,
config:maxConnections=128&maxConnectionsPerHost=32&followRedirects=false


ERROR - 2015-04-22 09:02:48.010; org.apache.solr.common.SolrException;
:org.apache.zookeeper.KeeperException$SessionExpiredException:
KeeperErrorCode = Session expired for /overseer/queue/qn-
        at
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
        at
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
        at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:783)
        at
org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:218)
        at
org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:215)
        at
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:65)
        at
org.apache.solr.common.cloud.SolrZkClient.create(SolrZkClient.java:215)
        at
org.apache.solr.cloud.DistributedQueue.createData(DistributedQueue.java:284)
        at
org.apache.solr.cloud.DistributedQueue.offer(DistributedQueue.java:271)
        at
org.apache.solr.cloud.ZkController.publish(ZkController.java:1011)
        at org.apache.solr.cloud.ZkController.publish(ZkController.java:976)
        at
org.apache.solr.handler.admin.CoreAdminHandler$2.run(CoreAdminHandler.java:811)

INFO  - 2015-04-22 09:02:48.010;
org.apache.solr.update.DefaultSolrCoreState; Running recovery - first
canceling any ongoing recovery
INFO  - 2015-04-22 09:02:48.012; org.apache.solr.cloud.RecoveryStrategy;
Starting recovery process.  core=rn0 recoveringAfterStartup=false
INFO  - 2015-04-22 09:02:48.016; org.apache.solr.cloud.ZkController;
publishing core=rn0 state=recovering
INFO  - 2015-04-22 09:02:48.017; org.apache.solr.cloud.ZkController;
numShards not found on descriptor - reading it from system property
INFO  - 2015-04-22 09:02:48.020;
org.apache.solr.client.solrj.impl.HttpClientUtil; Creating new http client,
config:maxConnections=128&maxConnectionsPerHost=32&followRedirects=false




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