I created a cluster of three servers manually on windows and then I copied the cluster to unix box. I am hearing that is the issue now.
How can I create nodes in ZooKeeper? BR//Bahman On Wed, Mar 20, 2013 at 5:06 PM, Camille Fournier <[email protected]>wrote: > Did you create this path on the unix file system, or in ZooKeeper? > ZooKeeper isn't reading the unix file system for nodes, it's reading its > own internal data tree. You need to create the nodes in ZooKeeper. > > > On Wed, Mar 20, 2013 at 6:04 PM, Bahman Kalali <[email protected] > >wrote: > > > Hi Camille, > > > > Thank you very much for your reply! > > > > I already created the path /apps/neo4j/zookeeper/data on unix box. Under > > this path for a cluster of three servers, I have zk1,zk2,zk3 for each > > server where each zk1, zk2, zk3 have myid files. Also, I can see that > > version-2 also created under zk1,zk2,zk3. All these directors are > created > > manualy under my user id and not root. > > > > However, I still when I create a node under /apps/neo4j/zookeeper/data, I > > will get an error "Error Path:/apps/neo4j/zookeeper/data > > Error:KeeperErrorCode = NoNode for /apps/neo4j/zookeeper/data" > > > > BR//Bahman > > > > > > > > On Wed, Mar 20, 2013 at 4:29 PM, Camille Fournier <[email protected] > > >wrote: > > > > > The path /apps/neo4j/zookeeper/data has not been created in the ZK on > > your > > > unix box. You need to create that path before you can write an > ephemeral > > > node to it. You probably did this already on your windows ZK which is > why > > > you aren't seeing the error. ZooKeeper does not create parent nodes in > a > > > path for you, you must create the full path yourself if it hasn't been > > > created. > > > As per the documentation: > > > "If the parent node does not exist in the ZooKeeper, a KeeperException > > with > > > error code KeeperException.NoNode will be thrown." > > > > > > > > > On Wed, Mar 20, 2013 at 4:52 PM, Bahman Kalali < > [email protected] > > > >wrote: > > > > > > > Hi, > > > > > > > > I am using this API to create a node: > > > > > > > > lockPath = zk.create(/apps/neo4j/zookeeper/data/searchlock, > > null, > > > > Ids.OPEN_ACL_UNSAFE, > > > CreateMode.EPHEMERAL_SEQUENTIAL); > > > > > > > > Here is my setting in zoo.cfg in one of three servers: > > > > > > > > tickTime=2000 > > > > initLimit=10 > > > > syncLimit=5 > > > > dataDir=/apps/neo4j/zookeeper/data/zk1 > > > > dataLogDir=/apps/neo4j/zookeeper/log/zk1 > > > > clientPort=2185 > > > > server.1=upladevzoo01v:2988:3988 > > > > server.2=upladevzoo01v:2989:3989 > > > > server.3=upladevzoo01v:2990:3990 > > > > > > > > > > > > However, I get this exception on the server log "Error > > > > Path:/apps/neo4j/zookeeper/data" > > > > > > > > 2013-03-20 15:39:44,882 [myid:2] - INFO [ProcessThread(sid:2 > > > > cport:-1)::PrepRequestProcessor@627] - Got user-level > KeeperException > > > when > > > > processing sessionid:0x23d895990500004 type:create cxid:0x1 > > > > zxid:0x100000020 txntype:-1 reqpath:n/a Error > > > > Path:/apps/neo4j/zookeeper/data Error:KeeperErrorCode = NoNode for > > > > /apps/neo4j/zookeeper/data > > > > > > > > The same setting works fine on my local windows box, but not on a > unix > > > box. > > > > > > > > Does this have anything to do with permission on unix box? > > > > > > > > BR//Bahman > > > > > > > > > >
