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Posted to dev@zookeeper.apache.org by "Patrick Hunt (JIRA)" <ji...@apache.org> on 2009/10/14 20:31:31 UTC
[jira] Commented: (ZOOKEEPER-513) C client disconnect with
stand-alone server abnormally
[ https://issues.apache.org/jira/browse/ZOOKEEPER-513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12765680#action_12765680 ]
Patrick Hunt commented on ZOOKEEPER-513:
----------------------------------------
are you still seeing this problem? If so please provide the logs etc... detailed in the previous comment.
if it's resolved please close, also it would be interesting to know how it was resolved.
> C client disconnect with stand-alone server abnormally
> ------------------------------------------------------
>
> Key: ZOOKEEPER-513
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-513
> Project: Zookeeper
> Issue Type: Bug
> Components: c client
> Affects Versions: 3.2.0
> Environment: Linux 2.6.9-52bs #2 SMP Fri Jan 26 13:34:38 CST 2007 x86_64 x86_64 x86_64 GNU/Linux
> Jdk: 1.6.0_14
> Reporter: Qian Ye
> Fix For: 3.3.0
>
>
> The client which created an ephemeral node at the zookeeper server, printed the following log
> WARNING: 08-20 03:09:20: auto * 182894118176 [logid:][reqip:][auto_exchanger_zk_basic.cpp:605]get children fail.[/forum/elect_nodes][-7][operation timeout]
> and the Zookeeper client printed the following log (the log level is INFO)
> 2009-08-19 21:36:18,067:3813(0x9556c520):ZOO_INFO@log_env@545: Client environment:zookeeper.version=zookeeper C client 3.2.0
> 606 2009-08-19 21:36:18,067:3813(0x9556c520):ZOO_INFO@log_env@549: Client environment:host.name=jx-ziyuan-test00.jx.baidu.com
> 607 2009-08-19 21:36:18,068:3813(0x9556c520):ZOO_INFO@log_env@557: Client environments.name=Linux
> 608 2009-08-19 21:36:18,068:3813(0x9556c520):ZOO_INFO@log_env@558: Client environments.arch=2.6.9-52bs
> 609 2009-08-19 21:36:18,068:3813(0x9556c520):ZOO_INFO@log_env@559: Client environments.version=#2 SMP Fri Jan 26 13:34:38 CST 2007
> 610 2009-08-19 21:36:18,068:3813(0x9556c520):ZOO_INFO@log_env@567: Client environment:user.name=club
> 611 2009-08-19 21:36:18,068:3813(0x9556c520):ZOO_INFO@log_env@577: Client environment:user.home=/home/club
> 612 2009-08-19 21:36:18,068:3813(0x9556c520):ZOO_INFO@log_env@589: Client environment:user.dir=/home/club/user/luhongbo/auto-exchanger
> 613 2009-08-19 21:36:18,068:3813(0x9556c520):ZOO_INFO@zookeeper_init@613: Initiating client connection, host=127.0.0.1:2181,127.0.0.1:2182 sessionTimeout=2000 wa tcher=0x408c56 sessionId=0x0 sessionPasswd=<null> context=(nil) flags=0
> 614 2009-08-19 21:36:18,069:3813(0x41401960):ZOO_INFO@check_events@1439: initiated connection to server [127.0.0.1:2181]
> 615 2009-08-19 21:36:18,070:3813(0x41401960):ZOO_INFO@check_events@1484: connected to server [127.0.0.1:2181] with session id=1232c1688a20093
> 616 2009-08-20 02:48:01,780:3813(0x41401960):ZOO_WARN@zookeeper_interest@1335: Exceeded deadline by 520ms
> 617 2009-08-20 03:08:52,332:3813(0x41401960):ZOO_WARN@zookeeper_interest@1335: Exceeded deadline by 14ms
> 618 2009-08-20 03:09:04,666:3813(0x41401960):ZOO_WARN@zookeeper_interest@1335: Exceeded deadline by 48ms
> 619 2009-08-20 03:09:09,733:3813(0x41401960):ZOO_WARN@zookeeper_interest@1335: Exceeded deadline by 24ms
> 620 2009-08-20 03:09:20,289:3813(0x41401960):ZOO_WARN@zookeeper_interest@1335: Exceeded deadline by 264ms
> 621 2009-08-20 03:09:20,295:3813(0x41401960):ZOO_ERROR@handle_socket_error_msg@1388: Socket [127.0.0.1:2181] zk retcode=-7, errno=110(Connection timed out): conn ection timed out (exceeded timeout by 264ms)
> 622 2009-08-20 03:09:20,309:3813(0x41401960):ZOO_WARN@zookeeper_interest@1335: Exceeded deadline by 284ms
> 623 2009-08-20 03:09:20,309:3813(0x41401960):ZOO_ERROR@handle_socket_error_msg@1433: Socket [127.0.0.1:2182] zk retcode=-4, errno=111(Connection refused): server refused to accept the client
> 624 2009-08-20 03:09:20,353:3813(0x41401960):ZOO_INFO@check_events@1439: initiated connection to server [127.0.0.1:2181]
> 625 2009-08-20 03:09:20,552:3813(0x41401960):ZOO_INFO@check_events@1484: connected to server [127.0.0.1:2181] with session id=1232c1688a20093
> The problem happened at 03:09:20, it seems that the zookeeper refused to accept the client, and I don't know why.
> the zoo.cfg is like:
> # The number of milliseconds of each tick
> tickTime=500
> # The number of ticks that the initial
> # synchronization phase can take
> initLimit=10
> # The number of ticks that can pass between
> # sending a request and getting an acknowledgement
> syncLimit=5
> # the directory where the snapshot is stored.
> dataDir=./data/
> # the port at which the clients will connect
> clientPort=2181
> the C client used multi-thread library, and the session timeout is set to 2000 when the zookeeper handler was initialized.
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