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https://issues.apache.org/jira/browse/CURATOR-293?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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huanhuan li updated CURATOR-293:
--------------------------------
Description:
1. Add following lines to the /etc/hosts:
x.x.x.x zk1.test.com
x.x.x.x zk2.test.com
x.x.x.x zk3.test.com
2. RUN the test programme
3. shutdown the network connection to x.x.x.x
4. wait until the session expires (for example 10 min)
5. remove the added 3 lines in /etc/hosts
6. open the network connection to x.x.x.x
7. watch that curator cannot reconnect
8. add the 3 lines to /etc/hosts
9. watch that curator cannot reconnect either
The log may look like the following:
[main-SendThread(172.24.2.35:2181)][INFO ]2016-01-26 11:07:45.005
[ClientCnxn.logStartConnect] - Opening socket connection to server
172.24.2.35/172.24.2.35:2181. Will not attempt to authenticate using SASL
(unknown error)
[main-SendThread(172.24.2.35:2181)][INFO ]2016-01-26 11:07:45.050
[ClientCnxn.primeConnection] - Socket connection established to
172.24.2.35/172.24.2.35:2181, initiating session
[main-EventThread][WARN ]2016-01-26 11:07:45.093
[ConnectionState.handleExpiredSession] - Session expired event received
[main-EventThread][DEBUG]2016-01-26 11:07:45.093 [ConnectionState.reset] - reset
[main-SendThread(172.24.2.35:2181)][INFO ]2016-01-26 11:07:45.093
[ClientCnxn.run] - Unable to reconnect to ZooKeeper service, session
0x1525d9593a537af has expired, closing socket connection
[main-EventThread][INFO ]2016-01-26 11:07:45.095 [ZooKeeper.<init>] -
Initiating client connection,
connectString=zk1.test.com:2181,zk2.test.com:2181,zk3.test.com:2181
sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@7e7d611f
[main-EventThread][INFO ]2016-01-26 11:07:45.488 [ClientCnxn.run] - EventThread
shut down
[main-SendThread(111.206.227.147:2181)][INFO ]2016-01-26 11:07:45.615
[ClientCnxn.logStartConnect] - Opening socket connection to server
111.206.227.147/111.206.227.147:2181. Will not attempt to authenticate using
SASL (unknown error)
[Curator-ConnectionStateManager-0][DEBUG]2016-01-26 11:07:58.523
[CuratorZookeeperClient.blockUntilConnectedOrTimedOut] -
blockUntilConnectedOrTimedOut() end. isConnected: false
was:
1. Add following lines to the /etc/hosts:
x.x.x.x zk1.test.com
x.x.x.x zk2.test.com
x.x.x.x zk3.test.com
2. RUN the test programme
3. shutdown the network connection to x.x.x.x
4. wait enough for the session expire (for example 10 min)
5. remove the added 3 lines in /etc/hosts
6. open the network connection to x.x.x.x
7. watch that curator cannot reconnect
8. add the 3 lines to /etc/hosts
9. watch that curator cannot reconnect either
The log may look like the following:
[main-SendThread(172.24.2.35:2181)][INFO ]2016-01-26 11:07:45.005
[ClientCnxn.logStartConnect] - Opening socket connection to server
172.24.2.35/172.24.2.35:2181. Will not attempt to authenticate using SASL
(unknown error)
[main-SendThread(172.24.2.35:2181)][INFO ]2016-01-26 11:07:45.050
[ClientCnxn.primeConnection] - Socket connection established to
172.24.2.35/172.24.2.35:2181, initiating session
[main-EventThread][WARN ]2016-01-26 11:07:45.093
[ConnectionState.handleExpiredSession] - Session expired event received
[main-EventThread][DEBUG]2016-01-26 11:07:45.093 [ConnectionState.reset] - reset
[main-SendThread(172.24.2.35:2181)][INFO ]2016-01-26 11:07:45.093
[ClientCnxn.run] - Unable to reconnect to ZooKeeper service, session
0x1525d9593a537af has expired, closing socket connection
[main-EventThread][INFO ]2016-01-26 11:07:45.095 [ZooKeeper.<init>] -
Initiating client connection,
connectString=qazk1.jd.com:2181,qazk1.jd.com:2181,qazk1.jd.com:2181
sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@7e7d611f
[main-EventThread][INFO ]2016-01-26 11:07:45.488 [ClientCnxn.run] - EventThread
shut down
[main-SendThread(111.206.227.147:2181)][INFO ]2016-01-26 11:07:45.615
[ClientCnxn.logStartConnect] - Opening socket connection to server
111.206.227.147/111.206.227.147:2181. Will not attempt to authenticate using
SASL (unknown error)
[Curator-ConnectionStateManager-0][DEBUG]2016-01-26 11:07:58.523
[CuratorZookeeperClient.blockUntilConnectedOrTimedOut] -
blockUntilConnectedOrTimedOut() end. isConnected: false
> Curator can NOT reconnect after connection lost and session expired when the
> connection come up while the DNS server is not ready yet.(zookeeper
> connection string using domain names)
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: CURATOR-293
> URL: https://issues.apache.org/jira/browse/CURATOR-293
> Project: Apache Curator
> Issue Type: Bug
> Components: Client
> Affects Versions: 2.9.1
> Reporter: huanhuan li
> Priority: Critical
> Attachments: CuratorConnectionLostEventTest.java
>
>
> 1. Add following lines to the /etc/hosts:
> x.x.x.x zk1.test.com
> x.x.x.x zk2.test.com
> x.x.x.x zk3.test.com
> 2. RUN the test programme
> 3. shutdown the network connection to x.x.x.x
> 4. wait until the session expires (for example 10 min)
> 5. remove the added 3 lines in /etc/hosts
> 6. open the network connection to x.x.x.x
> 7. watch that curator cannot reconnect
> 8. add the 3 lines to /etc/hosts
> 9. watch that curator cannot reconnect either
> The log may look like the following:
> [main-SendThread(172.24.2.35:2181)][INFO ]2016-01-26 11:07:45.005
> [ClientCnxn.logStartConnect] - Opening socket connection to server
> 172.24.2.35/172.24.2.35:2181. Will not attempt to authenticate using SASL
> (unknown error)
> [main-SendThread(172.24.2.35:2181)][INFO ]2016-01-26 11:07:45.050
> [ClientCnxn.primeConnection] - Socket connection established to
> 172.24.2.35/172.24.2.35:2181, initiating session
> [main-EventThread][WARN ]2016-01-26 11:07:45.093
> [ConnectionState.handleExpiredSession] - Session expired event received
> [main-EventThread][DEBUG]2016-01-26 11:07:45.093 [ConnectionState.reset] -
> reset
> [main-SendThread(172.24.2.35:2181)][INFO ]2016-01-26 11:07:45.093
> [ClientCnxn.run] - Unable to reconnect to ZooKeeper service, session
> 0x1525d9593a537af has expired, closing socket connection
> [main-EventThread][INFO ]2016-01-26 11:07:45.095 [ZooKeeper.<init>] -
> Initiating client connection,
> connectString=zk1.test.com:2181,zk2.test.com:2181,zk3.test.com:2181
> sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@7e7d611f
> [main-EventThread][INFO ]2016-01-26 11:07:45.488 [ClientCnxn.run] -
> EventThread shut down
> [main-SendThread(111.206.227.147:2181)][INFO ]2016-01-26 11:07:45.615
> [ClientCnxn.logStartConnect] - Opening socket connection to server
> 111.206.227.147/111.206.227.147:2181. Will not attempt to authenticate using
> SASL (unknown error)
> [Curator-ConnectionStateManager-0][DEBUG]2016-01-26 11:07:58.523
> [CuratorZookeeperClient.blockUntilConnectedOrTimedOut] -
> blockUntilConnectedOrTimedOut() end. isConnected: false
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