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Re: Getting null as list of children in processResult callback - Zookeeper - [mail # user]
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...Thanks Flavio, this was sufficient hint for me. I discovered that whenthere is a connection loss, a callback to processResults is invoked withthe value of rc = Code.ConnectionLoss.Regards,Ap...
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Re: ConnectionLossException - Zookeeper - [mail # user]
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...I implemented a retry of every ZK method call I make and the exceptions stopped. I recognize that we are currently using an older ZK version (3.3.4) -- but is the current version bette...
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Re: ConnectionLossException - Zookeeper - [mail # user]
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...My ensemble is a single ZK node running on the same computer as the rest of my application. I think it is a "good state" because my configuration data does get loaded into ZK. Does ZK ...
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Author: Chris Barlock,
2015-01-16, 02:37
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Re: ConnectionLossException - Zookeeper - [mail # user]
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...Michi:By "client log" I assume you mean my product's log. I'll have to add some additional logging to indicate when it thinks it is connected -- or not. An excellent suggestion! Will w...
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Author: Chris Barlock,
2015-01-16, 02:34
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Re: ConnectionLossException - Zookeeper - [mail # user]
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...Hi Chris,From your code snippet, It is possible that the client didn't getconnected to ZooKeeper at all. Could you paste the entire client log?Do you see any log message that indicates that ...
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Author: Michi Mutsuzaki,
2015-01-16, 02:21
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Re: ConnectionLossException - Zookeeper - [mail # user]
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...Connection loss is not related with the session timeout. If it frequently ocurrs, then it indicates that the ensemble of zookeeper are not in a good state.[EMAIL PROTECTED] From: Chris ...
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Author: bit1129@...,
2015-01-16, 02:18
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ConnectionLossException - Zookeeper - [mail # user]
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...We are currently using ZK 3.3.4, which is included in the version of Kafka we are using. I'm seeing a number of exceptions like:org.apache.zookeeper.KeeperException$ConnectionLossExcep...
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Author: Chris Barlock,
2015-01-16, 02:06
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[ANNOUNCE] Apache Curator 2.7.1 released - Zookeeper - [mail # user]
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...Hello,The Apache Curator team is pleased to announce the release of version2.7.1. The Apache Curator Java libraries make using Apache ZooKeepermuch easier and more reliable.Link to release n...
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RE: Syntax error: "(" unexpected (expecting "fi") - Zookeeper - [mail # user]
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...I'm not sure I'm reading this right, but why are you putting sh I'm front of the script?-Flavio...
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Re: Large number of errored transactions and periodic node disconnects on 3.4.6 - Zookeeper - [mail # user]
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...On Wed, Jan 14, 2015 at 1:28 PM, Flavio Junqueira wrote:No the zookeeper machines are 'dedicated'. The only other stuff running isinfrastructure related (metrics and log collection agents th...
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Re: Large number of errored transactions and periodic node disconnects on 3.4.6 - Zookeeper - [mail # user]
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...Thank for your kindly reply but I can't fully understand your discussion.Basically I have two devices (iPhone 5 and iPad Air ) but sometimes I also play with other iOS devices . Anyway the i...
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Author: maca.ee96g@...,
2015-01-14, 23:16
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Re: Large number of errored transactions and periodic node disconnects on 3.4.6 - Zookeeper - [mail # user]
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...Replying to the list to make sure that Ben's responses get archived belowOn Wed, 14 Jan 2015, Ben Smith wrote: -----BEGIN PGP SIGNATURE-----Version: GnuPG v1iEYEARECAAYFAlS25zIACgkQFCbH...
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Author: R. Tyler Croy,
2015-01-14, 22:03
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Re: Large number of errored transactions and periodic node disconnects on 3.4.6 - Zookeeper - [mail # user]
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...Do you have anything running along with the ZK servers on the same machine? Is that a virtualized environment? I'm wondering if a concurrent workload is causing servers to lag behind and dro...
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Author: Flavio Junqueira,
2015-01-14, 21:31
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Re: Large number of errored transactions and periodic node disconnects on 3.4.6 - Zookeeper - [mail # user]
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...(replies inline)On Wed, 14 Jan 2015, Flavio Junqueira wrote:We're not certain of much at this point to be honest. We've executed somenetwork stress tests and see no disruptions in the layer ...
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Author: R. Tyler Croy,
2015-01-14, 19:09
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Re: Large number of errored transactions and periodic node disconnects on 3.4.6 - Zookeeper - [mail # user]
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...Hi there,I'm not sure what could be causing the communication between servers to fail. Are you sure this is a ZK problem? Could it be a problem with your setting?-Flavio ...
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Author: Flavio Junqueira,
2015-01-14, 18:42
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Large number of errored transactions and periodic node disconnects on 3.4.6 - Zookeeper - [mail # user]
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...A colleague of mine and I are still fully trying to understand the behaviorwe're seeing from one of our Zookeeper clusters running 3.4.6.Some log snippets are included further down, but the ...
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Author: R. Tyler Croy,
2015-01-14, 16:33
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Re: cluster/ephemeral nodes inconsistency - Zookeeper - [mail # user]
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...can you provide more info about the zookeeper deployment, are you runningany other applications along side zookeeper servers on the same nodes. Iremember seeing these issue when zookeeper se...
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Re: cluster/ephemeral nodes inconsistency - Zookeeper - [mail # user]
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...Also, what was the last operation that changed the messed up znode and when has the operation been executed?-Flavio ...
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Author: Flavio Junqueira,
2015-01-14, 21:33
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Re: cluster/ephemeral nodes inconsistency - Zookeeper - [mail # user]
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...As far as I understand this issue:https://issues.apache.org/jira/browse/ZOOKEEPER-1777 is about some ZK nodesnot seeing part of existing ephemeral znodes. I have opposite problem, someZK nod...
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Author: Kuba Lekstan,
2015-01-14, 11:45
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Re: cluster/ephemeral nodes inconsistency - Zookeeper - [mail # user]
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...German, today it had happen on our secondary cluster which consist of 3nodes, the leader didn't see the node but two other followers did.Flavio, I browsed the logs but was unable to find any...
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Author: Kuba Lekstan,
2015-01-14, 11:42
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Re: cluster/ephemeral nodes inconsistency - Zookeeper - [mail # user]
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...Hi there,I suggest a couple of things here:- Use LogFormatter to look into the transaction logs to check the operations that are actually coming across.- It would be nice be able to reproduc...
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Author: Flavio Junqueira,
2015-01-14, 09:53
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Re: cluster/ephemeral nodes inconsistency - Zookeeper - [mail # user]
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...Could you please check if it could be this thing?https://issues.apache.org/jira/browse/ZOOKEEPER-1777Did you check if the node with the extra ephemeral nodes was the leader ornot?On Wed, Jan...
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Author: German Blanco,
2015-01-14, 09:51
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Re: cluster/ephemeral nodes inconsistency - Zookeeper - [mail # user]
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...German do you have any idea what might be causing these? Today same issuehad happen.2014-11-21 5:42 GMT+01:00 Yogesh Patil : ...
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Author: Kuba Lekstan,
2015-01-14, 09:14
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Re: cluster/ephemeral nodes inconsistency - Zookeeper - [mail # user]
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...Hi Zookeepers,I am also experiencing the similar problem since yestderday. I have prettymuch similar setup and ephemeral znodes in place for keep-alive kind offunction. I too see in spite of...
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Author: Yogesh Patil,
2014-11-21, 04:45
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Re: cluster/ephemeral nodes inconsistency - Zookeeper - [mail # user]
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...Sorry, forgot to mention. Version: 3.4.6.Thanks.2014-11-13 18:11 GMT+01:00 German Blanco : ...
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Author: Kuba Lekstan,
2014-11-13, 19:11
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Re: cluster/ephemeral nodes inconsistency - Zookeeper - [mail # user]
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...Hello,which version of Zookeeper are you using?On Thu, Nov 13, 2014 at 5:25 PM, Kuba Lekstan wrote: ...
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Author: German Blanco,
2014-11-13, 17:13
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cluster/ephemeral nodes inconsistency - Zookeeper - [mail # user]
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...Hello,A bit of details:We have 5 node cluster, which we use for configuration distrubution andmonitoring active instances of our applications. Each application createsits ephemeral node, so ...
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Author: Kuba Lekstan,
2014-11-13, 16:25
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Re: ZOOKEEPER-1366: Zookeeper should be tolerant of clock adjustments - Zookeeper - [mail # user]
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...Gentle nudge!On 1/6/15, 2:50 PM, "Pramod Srinivasan" wrote: ...
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[ZOOKEEPER-2106] Error when reading from leader causes JVM to hang - Zookeeper - [issue]
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...I tried looking through existing JIRA for something like this, but the closest I came was ZOOKEEPER-2104. It looks very similar, but I don't know if it really is the same thing. ...
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[ZOOKEEPER-2091] Possible logic error in ClientCnxnSocketNIO - Zookeeper - [issue]
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...When SASL authentication is enabled, the ZooKeeper client will finally call ClientCnxnSocketNIO#sendPacket(Packet p) to send a packet to server:@Overridevoid sendPacket(Packet p) throws IOEx...
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Unable to recover for 1 failing node in 3 nodes ensemble - Zookeeper - [mail # user]
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...Hello,I have a 3 nodes ensemble that stopped working after node2 ran out of spaceon its disk:2015-01-12 11:44:52,398 [myid:2] - ERROR[SyncThread:2:SyncRequestProcessor@183] - Severe unrecove...
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