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https://issues.apache.org/jira/browse/CURATOR-72?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14009617#comment-14009617
]
Henrik Nordvik commented on CURATOR-72:
---------------------------------------
Seems like this is not completely fixed. We run curator 2.4.1, and we got 22
million of these in one day:
{code}
2014-05-26 14:50:59,062 ERROR [main-EventThread ]
o.a.c.f.imps.CuratorFrameworkImpl T: S: U: - Background operation retry
gave up
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode =
ConnectionLoss
at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
~[zookeeper-3.4.5.jar:3.4.5-1392090]
at
org.apache.curator.framework.imps.CuratorFrameworkImpl.checkBackgroundRetry(CuratorFrameworkImpl.java:666)
[curator-framework-2.4.1.jar:na]
at
org.apache.curator.framework.imps.CuratorFrameworkImpl.processBackgroundOperation(CuratorFrameworkImpl.java:479)
[curator-framework-2.4.1.jar:na]
at
org.apache.curator.framework.imps.GetChildrenBuilderImpl$2.processResult(GetChildrenBuilderImpl.java:166)
[curator-framework-2.4.1.jar:na]
at
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:590)
[zookeeper-3.4.5.jar:3.4.5-1392090]
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495)
[zookeeper-3.4.5.jar:3.4.5-1392090]
2014-05-26 14:50:59,063 ERROR [main-EventThread ]
o.a.c.f.imps.CuratorFrameworkImpl T: S: U: - Background operation retry
gave up
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode =
ConnectionLoss
at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
~[zookeeper-3.4.5.jar:3.4.5-1392090]
at
org.apache.curator.framework.imps.CuratorFrameworkImpl.checkBackgroundRetry(CuratorFrameworkImpl.java:666)
[curator-framework-2.4.1.jar:na]
at
org.apache.curator.framework.imps.CuratorFrameworkImpl.processBackgroundOperation(CuratorFrameworkImpl.java:479)
[curator-framework-2.4.1.jar:na]
at
org.apache.curator.framework.imps.GetChildrenBuilderImpl$2.processResult(GetChildrenBuilderImpl.java:166)
[curator-framework-2.4.1.jar:na]
at
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:590)
[zookeeper-3.4.5.jar:3.4.5-1392090]
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495)
[zookeeper-3.4.5.jar:3.4.5-1392090]
{code}
Two other related messages, but with normal amounts of logging:
{code}
2014-05-26 01:35:39,899 WARN [read(localhost:2181)]
org.apache.zookeeper.ClientCnxn T: S: U: - Session 0x0 for server
null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
~[na:1.7.0_51]
at
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
~[na:1.7.0_51]
at
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
~[zookeeper-3.4.5.jar:3.4.5-1392090]
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)
~[zookeeper-3.4.5.jar:3.4.5-1392090]
2014-05-26 01:35:41,004 INFO [read(localhost:2181)]
org.apache.zookeeper.ClientCnxn T: S: U: - Opening socket connection
to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL
(unknown error)
{code}
> Background operations don't wait for connection timeout
> -------------------------------------------------------
>
> Key: CURATOR-72
> URL: https://issues.apache.org/jira/browse/CURATOR-72
> Project: Apache Curator
> Issue Type: Bug
> Components: Framework
> Affects Versions: 2.3.0
> Reporter: Evaristo Camarero
> Assignee: Jordan Zimmerman
> Fix For: 2.4.0
>
> Attachments: TestListener.java, TestListenerConnectedAtStart.java,
> TestListenerSequence.java, TestListenerWithLeaderSelector.java,
> TestListenerWithLeaderSelectorBis.java, curator-72.patch, test.java
>
>
> Background operations don't wait for the configured connection timeout before
> failing. Attached test shows the problem.
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