No worries. Let us know if you have any other issues.

Patrick

Leonard Cuff wrote:
Hi Patrick,

Thank you for your reply.  I owe you and the others on this list an apology.
It turns out I was creating the node twice, which I discovered after writing
a mini-program to demonstrate the problem  .... and the mini-program didn't
have the problem. That caused me to go back and look at my code even more
closely, when I discovered it was My Problem.

Thanks again for your quick reply and sorry to have wasted your time.

Leonard


On 8/31/09 9:16 PM, "Patrick Hunt" <ph...@apache.org> wrote:

Hi Leonard,

Between 00:43:23,035 and 00:43:23,157 I see client session
0x123730dbe6e0001 get 15 "node exists" exceptions in a row. Are you
expecting this? (ie are you attempting to create this node 15 times in a
row or is this unexpected? I can't tell from the client snippet you
included)

Are you using the multithreaded version of the client or the single
threaded version? It would be useful if you could create a JIRA and
attach the following:
https://issues.apache.org/jira/browse/ZOOKEEPER

1) create the jira and attach the client & server logs
2) attach zoo.cfg file
3) if you can attach a copy of your client code that would
be interesting as well. In your email we see the create, however it
would be interesting to see the session creation call you are doing
and how the client is initialized.

I would also suggest that you examine the cli_mt or cli_st client that's
included with the release (build cli.c in src/c/src).

Use this client to connect to your server and examine the node that your
create_ephemeral_znode is operating on. For example try an get (create,
etc...) call and check the stat information (if ephemeralOwner is zero
then it's not an ephemeral node for example). You can also take a look
at the code for cli.c (or the tests) for some examples of how to
initialize/run a mt/st client process and compare it to your own. Btw,
we suggest that users use the multi-threaded client whenever possible,
unless ST is specifically required.

Patrick

Leonard Cuff wrote:
I've just upgraded to ZooKeeper 3.2.0, testing the fix for ephemeral nodes
disappearing correctly when the client process dies. I'm seeing some
unexpected behavior:

The first time I call zoo_create() to create an ephemeral node, it returns
ZNODEEXISTS, even if the node didn't previously exist. It successfully
creates the znode, and the znode is then available to write to. If I delete
the node and call zoo_create() a second time, it correctly returns ZOK.

I'm wondering if anyone else is seeing the same thing. I've spent quite a
bit of time checking my client code, and I'm pretty convinced this is
happening as described.

I see lots of exceptions in the log file. I'll append my client code, and
the log file.

Thanks for any and all input.

Leonard

create_ephemeral_znode ( char *znode ) {

    int         result;

    result = zoo_create ( zh, znode, NULL, 0, &ZOO_OPEN_ACL_UNSAFE,
ZOO_EPHEMERAL , NULL, 0 );

    if ( result == ZOK  ) {
        vcm_log_info ( logger, "ephemeral status node '%s' created
successfuly", znode);
        return SUCCESS;
}
    if ( result == ZNODEEXISTS ) {

        vcm_log_debug ( logger, "ephemeral status node '%s' already exists.
Will delete and recreate", znode);


        result = zoo_delete  (zh, znode, ANY_VERSION );
        vcm_log_info ( logger, "delete ephemeral node '%s' returned %d
(%s)", znode, result, zerror ( result ) );

        if ( result != ZOK && result != ZNONODE ) {
            vcm_log_error ( logger, "Couldn't delete ephemeral node '%s'
because %d (%s) %s at %d",
                    znode, result, zerror ( result ) , __FILE__, __LINE__);
} result = zoo_create ( zh, znode, NULL, 0, &ZOO_OPEN_ACL_UNSAFE,
ZOO_EPHEMERAL , NULL, 0 );

        if ( result == ZOK  ) {
            vcm_log_info ( logger, "ephemeral status node '%s' created
successfuly", znode);
            return SUCCESS;
} vcm_log_warn ( logger, "Can't create '%s' (err: %d : %s), %s at %d",
                znode, result  , zerror ( result ), __FILE__, __LINE__);

        return ZOO_PATH_CREATION_FAILED;
}
    vcm_log_warn ( logger, "Can't create '%s' (err: %d : %s), %s at %d",
                znode, result  , zerror ( result ), __FILE__, __LINE__);

    return ZOO_PATH_CREATION_FAILED;

}


--------------------------------------


JMX enabled by default
Starting zookeeper ...
zoopid file is /vcm/home/zoo/zookeeper-3.2.0/snap/zookeeper_server.pid
STARTED
2009-09-01 00:42:43,535 - INFO  [main:quorumpeercon...@80] - Reading
configuration from:
/vcm/home/sandbox/ticket_161758-1/vcm/apps/zookeeper-3.2.0/bin/../conf/zoo.c
fg
2009-09-01 00:42:43,539 - WARN  [main:quorumpeerm...@104] - Either no config
or no quorum defined in config, running  in standalone mode
2009-09-01 00:42:43,560 - INFO  [main:quorumpeercon...@80] - Reading
configuration from:
/vcm/home/sandbox/ticket_161758-1/vcm/apps/zookeeper-3.2.0/bin/../conf/zoo.c
fg
2009-09-01 00:42:43,562 - INFO  [main:zookeeperserverm...@94] - Starting
server
2009-09-01 00:42:43,573 - INFO  [main:environm...@97] - Server
environment:zookeeper.version=3.2.0-790261, built on 07/01/2009 16:49 GMT
2009-09-01 00:42:43,574 - INFO  [main:environm...@97] - Server
environment:host.name=ind104.an.dev.fastclick.net
2009-09-01 00:42:43,574 - INFO  [main:environm...@97] - Server
environment:java.version=1.6.0_14
2009-09-01 00:42:43,575 - INFO  [main:environm...@97] - Server
environment:java.vendor=Sun Microsystems Inc.
2009-09-01 00:42:43,576 - INFO  [main:environm...@97] - Server
environment:java.home=/home/lcuff/java/jre1.6.0_14
2009-09-01 00:42:43,577 - INFO  [main:environm...@97] - Server
environment:java.class.path=/vcm/home/sandbox/ticket_161758-1/vcm/apps/zooke
eper-3.2.0/bin/../conf::/vcm/home/sandbox/ticket_161758-1/vcm/apps/zookeeper
-3.2.0/bin/../zookeeper-3.2.0.jar:/vcm/home/sandbox/ticket_161758-1/vcm/apps
/zookeeper-3.2.0/bin/../lib/jdiff-1.0.9.jar:/vcm/home/sandbox/ticket_161758-
1/vcm/apps/zookeeper-3.2.0/bin/../lib/jline-0.9.94.jar:/vcm/home/sandbox/tic
ket_161758-1/vcm/apps/zookeeper-3.2.0/bin/../lib/junit-4.4.jar:/vcm/home/san
dbox/ticket_161758-1/vcm/apps/zookeeper-3.2.0/bin/../lib/log4j-1.2.15.jar:/v
cm/home/sandbox/ticket_161758-1/vcm/apps/zookeeper-3.2.0/bin/../lib/xerces-1
.4.4.jar:/vcm/home/sandbox/ticket_161758-1/vcm/apps/zookeeper-3.2.0/bin/./s
rc/java/lib/jdiff-1.0.9.jar:/vcm/home/sandbox/ticket_161758-1/vcm/apps/zooke
eper-3.2.0/bin/../src/java/lib/jline-0.9.94.jar:/vcm/home/sandbox/ticket_161
758-1/vcm/apps/zookeeper-3.2.0/bin/../src/java/lib/junit-4.4.jar:/vcm/home/s
andbox/ticket_161758-1/vcm/apps/zookeeper-3.2.0/bin/../src/java/lib/log4j-1.
2.15.jar:/vcm/home/sandbox/ticket_161758-1/vcm/apps/zookeeper-3.2.0/bin/./s
rc/java/lib/xerces-1.4.4.jar
2009-09-01 00:42:43,577 - INFO  [main:environm...@97] - Server
environment:java.library.path=/home/lcuff/java/jre1.6.0_14/lib/amd64/server:
/home/lcuff/java/jre1.6.0_14/lib/amd64:/home/lcuff/java/jre1.6.0_14/../lib/a
md64:/vcm/home/zoo/zookeeper-3.1.1/src/c/.libs:/vcm/home/zoo/zookeeper-3.1.1
/src/c/.libs:/vcm/home/zoo/zookeeper-3.1.1/src/c/.libs:/vcm/home/zoo/zookeep
er-3.1.1/src/c/.libs:/vcm/home/zoo/zookeeper-3.1.1/src/c/.libs:/vcm/home/zoo
/zookeeper-3.1.1/src/c/.libs:/vcm/home/zoo/zookeeper-3.1.1/src/c/.libs:/vcm/
home/zoo/zookeeper-3.1.1/src/c/.libs:/vcm/home/zoo/zookeeper-3.1.1/src/c/.li
bs:/vcm/home/zoo/zookeeper-3.1.1/src/c/.libs:/vcm/home/sandbox/ticket_161758
-1/vcm/apps/apr-util/lib:/vcm/home/sandbox/ticket_161758-1/vcm/apps/apr/lib:
/vcm/home/sandbox/ticket_161758-1/vcm/apps/cunit/lib:/vcm/home/sandbox/ticke
t_161758-1/vcm/apps/curl-7.18.0/lib:/vcm/home/sandbox/ticket_161758-1/vcm/ap
ps/libevent/lib:/vcm/home/sandbox/ticket_161758-1/vcm/apps/libmemcached/lib:
/vcm/home/sandbox/ticket_161758-1/vcm/apps/spread/lib:/vcm/home/sandbox/tick
et_161758-1/vcm/apps/python/lib:/usr/java/packages/lib/amd64:/lib:/usr/lib
2009-09-01 00:42:43,578 - INFO  [main:environm...@97] - Server
environment:java.io.tmpdir=/tmp
2009-09-01 00:42:43,579 - INFO  [main:environm...@97] - Server
environment:java.compiler=<NA>
2009-09-01 00:42:43,580 - INFO  [main:environm...@97] - Server
environment:os.name=Linux
2009-09-01 00:42:43,580 - INFO  [main:environm...@97] - Server
environment:os.arch=amd64
2009-09-01 00:42:43,581 - INFO  [main:environm...@97] - Server
environment:os.version=2.6.9-55.ELsmp
2009-09-01 00:42:43,582 - INFO  [main:environm...@97] - Server
environment:user.name=vcm
2009-09-01 00:42:43,585 - INFO  [main:environm...@97] - Server
environment:user.home=/vcm/home
2009-09-01 00:42:43,586 - INFO  [main:environm...@97] - Server
environment:user.dir=/vcm/home/sandbox/ticket_161758-1/vcm/apps/zookeeper-3.
2.0/bin
2009-09-01 00:42:43,642 - INFO  [main:files...@81] - Reading snapshot
/vcm/home/zoo/zookeeper-3.2.0/snap/version-2/snapshot.23d
2009-09-01 00:42:43,687 - INFO  [main:filetxnsnap...@208] - Snapshotting:
2a2
2009-09-01 00:43:04,609 - INFO
[NIOServerCxn.Factory:2181:nioserverc...@586] - Connected to
/192.168.68.107:50461 lastZxid 0
2009-09-01 00:43:04,611 - INFO
[NIOServerCxn.Factory:2181:nioserverc...@618] - Creating new session
0x123730dbe6e0000
2009-09-01 00:43:04,667 - INFO  [SyncThread:0:nioserverc...@967] - Finished
init of 0x123730dbe6e0000 valid:true
2009-09-01 00:43:10,540 - WARN
[NIOServerCxn.Factory:2181:nioserverc...@497] - Exception causing close of
session 0x123730dbe6e0000 due to java.io.IOException: Read error
2009-09-01 00:43:10,541 - INFO
[NIOServerCxn.Factory:2181:nioserverc...@836] - closing
session:0x123730dbe6e0000 NIOServerCnxn:
java.nio.channels.SocketChannel[connected local=/192.168.68.107:2181
remote=/192.168.68.107:50461]
2009-09-01 00:43:18,025 - INFO
[NIOServerCxn.Factory:2181:nioserverc...@586] - Connected to
/192.168.68.107:50463 lastZxid 0
2009-09-01 00:43:18,026 - INFO
[NIOServerCxn.Factory:2181:nioserverc...@618] - Creating new session
0x123730dbe6e0001
2009-09-01 00:43:18,056 - INFO  [SyncThread:0:nioserverc...@967] - Finished
init of 0x123730dbe6e0001 valid:true
2009-09-01 00:43:20,002 - INFO  [SessionTracker:sessiontrackeri...@133] -
Expiring session 0x123730dbe6e0000
2009-09-01 00:43:20,003 - INFO  [SessionTracker:zookeeperser...@325] -
Expiring session 0x123730dbe6e0000
2009-09-01 00:43:20,003 - INFO  [ProcessThread:-1:preprequestproces...@384]
- Processed session termination request for id: 0x123730dbe6e0000
2009-09-01 00:43:23,035 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0001 type:create
cxid:0x4a9c6e27 zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:43:23,063 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0001 type:create
cxid:0x4a9c6e28 zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:43:23,073 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0001 type:create
cxid:0x4a9c6e29 zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:43:23,077 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0001 type:create
cxid:0x4a9c6e2a zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:43:23,081 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0001 type:create
cxid:0x4a9c6e2b zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:43:23,085 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0001 type:create
cxid:0x4a9c6e2c zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:43:23,110 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0001 type:create
cxid:0x4a9c6e32 zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:43:23,125 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0001 type:create
cxid:0x4a9c6e36 zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:43:23,135 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0001 type:create
cxid:0x4a9c6e3b zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:43:23,137 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0001 type:create
cxid:0x4a9c6e3c zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:43:23,141 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0001 type:create
cxid:0x4a9c6e3d zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:43:23,145 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0001 type:create
cxid:0x4a9c6e3e zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:43:23,149 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0001 type:create
cxid:0x4a9c6e3f zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:43:23,153 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0001 type:create
cxid:0x4a9c6e40 zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:43:23,157 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0001 type:create
cxid:0x4a9c6e41 zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:44:08,212 - WARN
[NIOServerCxn.Factory:2181:nioserverc...@497] - Exception causing close of
session 0x123730dbe6e0001 due to java.io.IOException: Read error
2009-09-01 00:44:08,214 - INFO
[NIOServerCxn.Factory:2181:nioserverc...@836] - closing
session:0x123730dbe6e0001 NIOServerCnxn:
java.nio.channels.SocketChannel[connected local=/192.168.68.107:2181
remote=/192.168.68.107:50463]
2009-09-01 00:44:18,002 - INFO  [SessionTracker:sessiontrackeri...@133] -
Expiring session 0x123730dbe6e0001
2009-09-01 00:44:18,002 - INFO  [SessionTracker:zookeeperser...@325] -
Expiring session 0x123730dbe6e0001
2009-09-01 00:44:18,003 - INFO  [ProcessThread:-1:preprequestproces...@384]
- Processed session termination request for id: 0x123730dbe6e0001
2009-09-01 00:48:55,991 - INFO
[NIOServerCxn.Factory:2181:nioserverc...@586] - Connected to
/192.168.68.107:50464 lastZxid 0
2009-09-01 00:48:55,991 - INFO
[NIOServerCxn.Factory:2181:nioserverc...@618] - Creating new session
0x123730dbe6e0002
2009-09-01 00:48:56,020 - INFO  [SyncThread:0:nioserverc...@967] - Finished
init of 0x123730dbe6e0002 valid:true
2009-09-01 00:49:00,992 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f78 zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:01,027 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f79 zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:01,059 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f7a zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:01,067 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f7b zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:01,071 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f7c zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:01,075 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f7d zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:01,080 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f7e zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:01,083 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f7f zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:01,108 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f80 zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:01,116 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f81 zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:01,125 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f83 zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:01,134 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f87 zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:01,150 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f8c zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:01,164 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f8d zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:01,179 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f8e zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:01,192 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f8f zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:01,204 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f90 zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:01,220 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f91 zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:01,224 - WARN  [ProcessThread:-1:preprequestproces...@402]
- Got exception when processing sessionid:0x123730dbe6e0002 type:create
cxid:0x4a9c6f92 zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcess
or.java:245)
at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.ja
va:114)
2009-09-01 00:49:15,492 - INFO
[NIOServerCxn.Factory:2181:nioserverc...@586] - Connected to
/192.168.68.107:50465 lastZxid 0
2009-09-01 00:49:15,492 - INFO
[NIOServerCxn.Factory:2181:nioserverc...@618] - Creating new session
0x123730dbe6e0003
2009-09-01 00:49:15,520 - INFO  [SyncThread:0:nioserverc...@967] - Finished
init of 0x123730dbe6e0003 valid:true
2009-09-01 00:52:16,321 - WARN
[NIOServerCxn.Factory:2181:nioserverc...@497] - Exception causing close of
session 0x123730dbe6e0002 due to java.io.IOException: Read error
2009-09-01 00:52:16,323 - INFO
[NIOServerCxn.Factory:2181:nioserverc...@836] - closing
session:0x123730dbe6e0002 NIOServerCnxn:
java.nio.channels.SocketChannel[connected local=/192.168.68.107:2181
remote=/192.168.68.107:50464]
2009-09-01 00:52:26,002 - INFO  [SessionTracker:sessiontrackeri...@133] -
Expiring session 0x123730dbe6e0002
2009-09-01 00:52:26,002 - INFO  [SessionTracker:zookeeperser...@325] -
Expiring session 0x123730dbe6e0002
2009-09-01 00:52:26,003 - INFO  [ProcessThread:-1:preprequestproces...@384]
- Processed session termination request for id: 0x123730dbe6e0002







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