I have 5 zookeeper and 2 solr machines and after a month or two whole clustre shutdown i dont know why. The logs i get in zookeeper are attached below. otherwise i dont get any error. All this is based on linux VM.
2016-03-11 16:50:18,159 [myid:5] - WARN [SyncThread:5:FileTxnLog@334] - fsync-ing the write ahead log in SyncThread:5 took 7268ms which will adversely effect operation latency. See the ZooKeeper troubleshooting guide 2016-03-11 16:50:18,161 [myid:5] - WARN [NIOServerCxn.Factory: 0.0.0.0/0.0.0.0:2185:NIOServerCnxn@357] - caught end of stream exception EndOfStreamException: Unable to read additional data from client sessionid 0x4535f00ee370001, likely client has closed socket at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228) at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208) at java.lang.Thread.run(Thread.java:745) 2016-03-11 16:50:18,163 [myid:5] - INFO [NIOServerCxn.Factory: 0.0.0.0/0.0.0.0:2185:NIOServerCnxn@1007] - Closed socket connection for client /localhost which had sessionid 0x4535f00ee370001 2016-03-11 16:50:18,166 [myid:5] - WARN [NIOServerCxn.Factory: 0.0.0.0/0.0.0.0:2185:NIOServerCnxn@357] - caught end of stream exception EndOfStreamException: Unable to read additional data from client sessionid 0x2535ef744dd0005, likely client has closed socket at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228) at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208) at java.lang.Thread.run(Thread.java:745)
