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https://issues.apache.org/jira/browse/CURATOR-293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15126275#comment-15126275
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Jordan Zimmerman commented on CURATOR-293:
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You should open an issue on the ZooKeeper project for the
StaticHostProvider.java issue
> 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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