Thanks. I am using hbase0.92 with zookeeper 3.4.2 Here is more log 2012-02-21 13:36:35,908 INFO org.apache.zookeeper.ClientCnxn: Session establishment complete on server fe80:0:0:0:0:0:0:1%1/fe80:0:0:0:0:0:0:1%1:2181, sessionid = 0x1359e6906420004, negotiated timeout = 40000 2012-02-21 13:36:35,912 DEBUG org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation: Lookedup root region location, connection=org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@6bb5eba4; serverName=10.0.1.2,50191,1329802578542 2012-02-21 13:36:35,918 DEBUG org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation: Cached location for .META.,,1.1028785192 is 10.0.1.2:50191 2012-02-21 13:36:35,922 DEBUG org.apache.hadoop.hbase.client.MetaScanner: Scanning .META. starting at row=testTable,,00000000000000 for max=10 rows using org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@6bb5eba4 2012-02-21 13:36:35,926 DEBUG org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation: Cached location for testTable,,1329790813692.174f8027a6554def12dbd95c167ee441. is 10.0.1.2:50191 2012-02-21 13:36:35,934 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Got preGet for row: A-O-1-1-1-1-1-1-1-1-1-1-1-1-1-1-20120221-3 2012-02-21 13:36:35,951 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Got preGet for row: A-A-O-1-1-1-1-1-1-1-1-1-1-1-1-1-20120221-3 2012-02-21 13:36:35,969 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Got preGet for row: A-A-A-O-1-1-1-1-1-1-1-1-1-1-1-1-20120221-3 2012-02-21 13:36:35,987 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Got preGet for row: A-A-A-A-O-1-1-1-1-1-1-1-1-1-1-1-20120221-3 2012-02-21 13:36:36,006 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Got preGet for row: A-A-A-A-A-O-1-1-1-1-1-1-1-1-1-1-20120221-3 2012-02-21 13:36:36,023 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Got preGet for row: A-A-A-A-A-A-O-1-1-1-1-1-1-1-1-1-20120221-3 2012-02-21 13:36:36,039 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Got preGet for row: A-A-A-A-A-A-A-O-1-1-1-1-1-1-1-1-20120221-3 2012-02-21 13:36:36,059 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Got preGet for row: A-A-A-A-A-A-A-A-O-1-1-1-1-1-1-1-20120221-3 2012-02-21 13:36:36,060 INFO org.apache.zookeeper.server.NIOServerCnxnFactory: Accepted socket connection from /127.0.0.1:50246 2012-02-21 13:36:36,061 INFO org.apache.zookeeper.server.ZooKeeperServer: Refusing session request for client /127.0.0.1:50246 as it has seen zxid 0x38 our last zxid is 0x30 client must try another server 2012-02-21 13:36:36,061 INFO org.apache.zookeeper.server.NIOServerCnxn: Closed socket connection for client /127.0.0.1:50246 (no session established for client) 2012-02-21 13:36:36,087 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Got preGet for row: A-A-A-A-A-A-A-A-A-O-1-1-1-1-1-1-20120221-3 2012-02-21 13:36:36,502 INFO org.apache.zookeeper.server.NIOServerCnxnFactory: Accepted socket connection from /fe80:0:0:0:0:0:0:1%1:50247 2012-02-21 13:36:36,502 INFO org.apache.zookeeper.server.ZooKeeperServer: Refusing session request for client /fe80:0:0:0:0:0:0:1%1:50247 as it has seen zxid 0x38 our last zxid is 0x30 client must try another server 2012-02-21 13:36:36,503 INFO org.apache.zookeeper.server.NIOServerCnxn: Closed socket connection for client /fe80:0:0:0:0:0:0:1%1:50247 (no session established for client) 2012-02-21 13:36:38,119 INFO org.apache.zookeeper.server.NIOServerCnxnFactory: Accepted socket connection from /0:0:0:0:0:0:0:1%0:50249 2012-02-21 13:36:38,119 INFO org.apache.zookeeper.server.ZooKeeperServer: Refusing session request for client /0:0:0:0:0:0:0:1%0:50249 as it has seen zxid 0x38 our last zxid is 0x30 client must try another server
On Tue, Feb 21, 2012 at 12:56 PM, Stack <[email protected]> wrote: > On Mon, Feb 20, 2012 at 7:33 PM, James Young <[email protected]> wrote: >> Thanks for the help i have got from this HBASE group. >> >> Here is a new question: I was trying to implement a region observer >> which creates/updates a row if it detects some operation for a table. >> >> But the region observer stopped at some point and the log shows: >> "ZooKeeperServer: Refusing session request for client >> /0:0:0:0:0:0:0:1%0:56366 as it has seen zxid 0x38 our last zxid is >> 0x30 client must try another server" >> >> >> >> I am not sure what this means and how to solve that. I also don't know >> if a region observer can write something to another region on anther >> region observer. >> > > More log please James and tell us your zk version. > > Go easy, > St.Ack
