Thanks Mark! 

Cheers, Jeeva

On Oct 19, 2012, at 8:35 AM, Mark Miller <markrmil...@gmail.com> wrote:

> Yes, those exceptions are fine. These are cases where we try to delete the 
> node if it's there, but don't care if it's not there - things like that. In 
> some of these cases, ZooKeeper logs things we can't stop, even though it's 
> expected that sometimes we will try and remove nodes that are not there or 
> create nodes that are already there.
> 
> - Mark
> 
> On Thu, Oct 18, 2012 at 9:01 AM, Jeevanandam Madanagopal <je...@myjeeva.com> 
> wrote:
> Hello -
> 
> While doing prototype of SolrCloud with Multiple Collection.  Each collection 
> represents country level data.
> - searching within collection represents country level - local search
> - searching across collection represents global search
> 
> Attached the graph image of SolrCoud structure.  For prototype I'm running 
> Embedded ZooKeeper ensemble (5 replicated zookeeper servers).
> - Searching and Indexing in respective collection works well
> - Search across collection works well (for global search)
> 
> 
> 
> 
> While joining the 'Collection2' to zookeeper ensemble I noticed the following 
> KeeperException in the logger.
> 
> Question 'is it safe to ignore these exceptions?'
> 
> Exception Log snippet:
> Oct 18, 2012 4:54:26 PM org.apache.zookeeper.server.NIOServerCnxn$Factory run
> INFO: Accepted socket connection from /fe80:0:0:0:0:0:0:1%1:62700
> Oct 18, 2012 4:54:26 PM org.apache.zookeeper.server.NIOServerCnxn 
> readConnectRequest
> INFO: Client attempting to establish new session at 
> /fe80:0:0:0:0:0:0:1%1:62700
> Oct 18, 2012 4:54:26 PM org.apache.zookeeper.server.NIOServerCnxn 
> finishSessionInit
> INFO: Established session 0x13a73521356000a with negotiated timeout 15000 for 
> client /fe80:0:0:0:0:0:0:1%1:62700
> Oct 18, 2012 4:54:26 PM org.apache.zookeeper.server.PrepRequestProcessor 
> pRequest
> INFO: Got user-level KeeperException when processing 
> sessionid:0x13a73521356000a type:create cxid:0x1 zxid:0xfffffffffffffffe 
> txntype:unknown reqpath:n/a Error Path:/overseer Error:KeeperErrorCode = 
> NodeExists for /overseer
> Oct 18, 2012 4:54:26 PM org.apache.zookeeper.server.PrepRequestProcessor 
> pRequest
> INFO: Got user-level KeeperException when processing 
> sessionid:0x13a73521356000a type:create cxid:0x2 zxid:0xfffffffffffffffe 
> txntype:unknown reqpath:n/a Error Path:/overseer Error:KeeperErrorCode = 
> NodeExists for /overseer
> Oct 18, 2012 4:54:26 PM org.apache.zookeeper.server.PrepRequestProcessor 
> pRequest
> INFO: Got user-level KeeperException when processing 
> sessionid:0x13a73521356000a type:delete cxid:0x4 zxid:0xfffffffffffffffe 
> txntype:unknown reqpath:n/a Error 
> Path:/live_nodes/mac-book-pro.local:7500_solr Error:KeeperErrorCode = NoNode 
> for /live_nodes/mac-book-pro.local:7500_solr
> Oct 18, 2012 4:54:26 PM org.apache.solr.common.cloud.ZkStateReader$3 process
> INFO: Updating live nodes
> 
> Cheers, Jeeva
> 
> 
> 
> 
> -- 
> - Mark

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