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From "Gibbon, Robert, VF-Group" <Robert.Gib...@vodafone.com>
Subject Zookeeper session prb
Date Wed, 23 Dec 2009 14:00:49 GMT
Hello,

I am playing around with Hbase and the Stargate interface; I got a problem when I came back
from lunch which rendered my little test rig unavailable and I had to restart it. 

I'm running a pseudo cluster on an ubuntu vm, 0.20.2 of Hbase and all the defaults. I haven't
changed anything in limits.conf on the vm but I think this is a lunch/time triggered issue?
Has anybody seen this one before if so what's the workaround? It looks a bit like it could
connection/file descriptor leak too from my limited experience in these things. See the dump
of log below.

I have two other minor comments on the excellent SG interface

- SG base64 encodes all the output which is good, but it'd be great if it was made a painfully
plain stating the obvious fact on the wiki for boneheads like myself 
- I saw that SG is probably going to have some authentication features and caching added,
will it also be possible to explicitly disable them, because I would rather use a dedicated
reverse proxy for that

09/12/23 13:41:05 WARN zookeeper.ClientCnxn: Exception closing session 0x125bafce85d0006 to
sun.nio.ch.SelectionKeyImpl@16d46d7
java.io.IOException: TIMED OUT
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:906)
09/12/23 13:41:43 DEBUG client.HConnectionManager$ClientZKWatcher: Got ZooKeeper event, state:
Disconnected, type: None, path: null
09/12/23 13:42:50 WARN zookeeper.ClientCnxn: Exception closing session 0x125bafce85d0006 to
sun.nio.ch.SelectionKeyImpl@227d4e
java.io.IOException: TIMED OUT
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:906)
09/12/23 13:43:47 WARN zookeeper.ClientCnxn: Exception closing session 0x125bafce85d0006 to
sun.nio.ch.SelectionKeyImpl@8d8f67
java.io.IOException: TIMED OUT
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:906)
09/12/23 13:44:39 WARN zookeeper.ClientCnxn: Exception closing session 0x125bafce85d0006 to
sun.nio.ch.SelectionKeyImpl@1c1eceb
java.io.IOException: TIMED OUT
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:906)
09/12/23 13:44:51 WARN zookeeper.ClientCnxn: Exception closing session 0x125bafce85d0006 to
sun.nio.ch.SelectionKeyImpl@a96863
java.io.IOException: Session Expired
at org.apache.zookeeper.ClientCnxn$SendThread.readConnectResult(ClientCnxn.java:589)
at org.apache.zookeeper.ClientCnxn$SendThread.doIO(ClientCnxn.java:709)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:945)
09/12/23 13:44:51 DEBUG client.HConnectionManager$ClientZKWatcher: Got ZooKeeper event, state:
Expired, type: None, path: null
09/12/23 13:44:56 DEBUG zookeeper.ZooKeeperWrapper: Closed connection with ZooKeeper


Robert Gibbon
Solutions Architect
Integration Design & Solution Engineering

robert.gibbon@vodafone.com
+32 474 53 52 51

Vodafone Group Service GmbH
Mannesmannufer 2, D-40213 Düsseldorf, Germany
Amtsgericht Düsseldorf, HRB 53554
Geschäftsführung: Helmut Hoffmann, Dr. Joachim Peters



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