Please disregard. Sorry for the noise (Patrick, of note, I am seeing this session timeout on a cluster other than Zhenyus). St.Ack
On Fri, Nov 20, 2009 at 4:24 PM, stack <st...@duboce.net> wrote: > Sorry, I had a bad subject on the below question. > St.Ack > > On Fri, Nov 20, 2009 at 4:22 PM, stack <st...@duboce.net> wrote: > >> Below an excerpt from a single node zk quorum that was at heart of a small >> hbase cluster. Unfortunately the log is not at DEBUG level (I've asked the >> gentleman to up the log level meantime). What it seems to be reporting is >> that an exception while closing a session caused it to timeout all connected >> sessions. >> >> Here is the line that mentions the exception on close of session. There >> is no stack trace: >> >> 2009-11-20 03:41:04,766 WARN org.apache.zookeeper.server.NIOServerCnxn: >> Exception causing close of session 0x124bc250d700790 due to >> java.io.IOException: Read error >> >> Is it correct that an error at this stage throws out all connected >> sessions? >> >> Thanks, >> St.Ack >> >> >> 2009-11-20 00:00:04,948 INFO org.apache.zookeeper.server.NIOServerCnxn: >> Connected to /10.1.20.101:50716 lastZxid 0 >> 2009-11-20 00:00:04,982 INFO org.apache.zookeeper.server.NIOServerCnxn: >> Creating new session 0x1250f26319f0016 >> 2009-11-20 00:00:05,051 INFO org.apache.zookeeper.server.NIOServerCnxn: >> Finished init of 0x1250f26319f0016 valid:true >> 2009-11-20 00:00:05,051 WARN >> org.apache.zookeeper.server.PrepRequestProcessor: Got exception when >> processing sessionid:0x1250f26319f0016 type:create c >> xid:0x1 zxid:0xfffffffffffffffe txntype:unknown n/a >> org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode >> = NodeExists >> at >> org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcessor.java:245) >> at >> org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:114) >> 2009-11-20 00:00:40,150 WARN >> org.apache.zookeeper.server.PrepRequestProcessor: Got exception when >> processing sessionid:0x1250f26319f0016 type:create c >> xid:0x4 zxid:0xfffffffffffffffe txntype:unknown n/a >> org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode >> = NodeExists >> at >> org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcessor.java:245) >> at >> org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:114) >> 2009-11-20 00:00:50,428 WARN org.apache.zookeeper.server.NIOServerCnxn: >> Exception causing close of session 0x1250f26319f0016 due to >> java.io.IOExceptio >> n: Read error >> 2009-11-20 00:00:50,429 INFO org.apache.zookeeper.server.NIOServerCnxn: >> closing session:0x1250f26319f0016 NIOServerCnxn: >> java.nio.channels.SocketChann >> el[connected local=/10.1.20.101:2181 remote=/10.1.20.101:50716] >> 2009-11-20 00:01:22,002 INFO >> org.apache.zookeeper.server.SessionTrackerImpl: Expiring session >> 0x1250f26319f0016 >> 2009-11-20 00:01:22,002 INFO org.apache.zookeeper.server.ZooKeeperServer: >> Expiring session 0x1250f26319f0016 >> 2009-11-20 00:01:22,002 INFO >> org.apache.zookeeper.server.PrepRequestProcessor: Processed session >> termination request for id: 0x1250f26319f0016 >> 2009-11-20 03:41:04,766 WARN org.apache.zookeeper.server.NIOServerCnxn: >> Exception causing close of session 0x124bc250d700790 due to >> java.io.IOExceptio >> n: Read error >> 2009-11-20 03:41:04,864 INFO >> org.apache.zookeeper.server.SessionTrackerImpl: Expiring session >> 0x1250f26319f0000 >> 2009-11-20 03:41:04,927 INFO org.apache.zookeeper.server.ZooKeeperServer: >> Expiring session 0x1250f26319f0000 >> 2009-11-20 03:41:04,927 INFO >> org.apache.zookeeper.server.SessionTrackerImpl: Expiring session >> 0x124bc250d7007a2 >> 2009-11-20 03:41:04,927 INFO org.apache.zookeeper.server.ZooKeeperServer: >> Expiring session 0x124bc250d7007a2 >> 2009-11-20 03:41:04,927 INFO >> org.apache.zookeeper.server.SessionTrackerImpl: Expiring session >> 0x124bc250d700794 >> 2009-11-20 03:41:04,927 INFO org.apache.zookeeper.server.ZooKeeperServer: >> Expiring session 0x124bc250d700794 >> >> >> >