hey Imesha, Does this only happen when you have the ACL set? cheers On Tue, Dec 6, 2016 at 12:38 AM, Imesha Sudasingha <[email protected]> wrote:
> Sorry, the question is, > "Can anyone explain why doesn't my CuratorFramework instance recreate a > session and establish connection again?" > > On 5 December 2016 at 18:58, Imesha Sudasingha <[email protected]> > wrote: > >> Hi all, >> >> I'm using CuratorFramework to connect to ZooKeeper and I also use >> authorization with ACL, CREATOR_ALL_ACL. >> >> In order to test the functionality I deliberately disconnect my client >> machine from the network. Then I see the connection state being changed to >> SUSPENDED. Then after some time I see connection state change to LOST. (I'm >> using connection timeout of 15 seconds and session timeout of 60 seconds). >> >> Then, I reconnect the client machine to the network. Then I see the >> following logs in my zookeeper logs which shows that the client is trying >> to re-establish the previous connection. >> >> INFO MBeanRegistry [ConnnectionExpirer] Unregister MBean >> [org.apache.ZooKeeperService:name0=ReplicatedServer_id2,name >> 1=replica.2,name2=Leader,name3=Connections,name4=192.168.1. >> 230,name5=0x20001dbe1940001] >> INFO NIOServerCnxn [ConnnectionExpirer] Closed socket connection for >> client /192.168.1.230:56178 which had sessionid 0x20001dbe1940001 >> INFO ZooKeeperServer [SessionTracker] Expiring session >> 0x20001dbe1940001, timeout of 60000ms exceeded >> INFO ZooKeeperServer [SessionTracker] Submitting global closeSession >> request for session 0x20001dbe1940001 >> INFO PrepRequestProcessor [ProcessThread(sid:2 cport:-1):] Processed >> session termination for sessionid: 0x20001dbe1940001 >> INFO NIOServerCnxnFactory [NIOServerCxnFactory.AcceptThread: >> 0.0.0.0/0.0.0.0:30155] Accepted socket connection from / >> 192.168.1.230:57834 >> INFO ZooKeeperServer [NIOWorkerThread-1] Client attempting to renew >> session 0x20001dbe1940001 at /192.168.1.230:57834 >> INFO Learner [NIOWorkerThread-1] Revalidating client: 0x20001dbe1940001 >> INFO ZooKeeperServer [QuorumPeer[myid=0](plain=/0:0 >> :0:0:0:0:0:0:30155)(secure=disabled)] Invalid session 0x20001dbe1940001 >> for client /192.168.1.230:57834, probably expired >> INFO NIOServerCnxn [NIOWorkerThread-2] Closed socket connection for >> client /192.168.1.230:57834 which had sessionid 0x20001dbe1940001 >> >> As expected, resuming the session fails. But, there after nothing happens >> in the client's side. No connection state changes, no retry attempts. When >> I shutdown my application where I delete some ZNodes, I only see errors >> saying "Keeper Error Code = ConnectionLoss" after sometime (which is due to >> my retry policy, RetryNTimes(200,1000)). >> >> Can anyone explain why does my CuratorFramework instance recreate a >> session and establish connection again? >> >> Thanks in advance! >> >> - Imesha Sudasingha >> >> -- >> *Imesha Sudasingha* >> Undergraduate of Department of Computer Science and Engineering, >> University of Moratuwa. >> > >
