I will try again as I did not run that. I just saw this error when trying to use hbase-explorer to connect.
On 20 May 2012, at 16:02, Michael Segel wrote: > What did you see when you ran the HBase shell's status? > Did you run status w higher details? > (see status help) > > > On May 20, 2012, at 2:12 AM, Ben Cuthbert wrote: > >> All >> >> We run a load test and after about 3 hours our application stopped. Check >> the logs I see this in the hbase-master log >> >> 2012-05-20 08:08:17,251 INFO >> org.apache.hadoop.hbase.master.AssignmentManager: Region has been OFFLINE >> for too long, reassigning -ROOT-,,0.70236052 to a random server >> 2012-05-20 08:08:17,252 DEBUG >> org.apache.hadoop.hbase.master.AssignmentManager: Forcing OFFLINE; >> was=.META.,,1.1028785192 state=OFFLINE, ts=1337497517243 >> 2012-05-20 08:08:17,252 DEBUG >> org.apache.hadoop.hbase.master.AssignmentManager: Forcing OFFLINE; >> was=-ROOT-,,0.70236052 state=OFFLINE, ts=1337497517243 >> 2012-05-20 08:10:10,309 INFO org.apache.zookeeper.server.NIOServerCnxn: >> Accepted socket connection from /0:0:0:0:0:0:0:1%0:62747 >> 2012-05-20 08:10:10,315 INFO org.apache.zookeeper.server.NIOServerCnxn: >> Client attempting to establish new session at /0:0:0:0:0:0:0:1%0:62747 >> 2012-05-20 08:10:10,316 INFO org.apache.zookeeper.server.NIOServerCnxn: >> Established session 0x137653a0e8e02fa with negotiated timeout 40000 for >> client /0:0:0:0:0:0:0:1%0:62747 >> 2012-05-20 08:10:10,316 INFO >> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level >> KeeperException when processing sessionid:0x137653a0e8e02fa type:create >> cxid:0x1 zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a Error >> Path:/hbase Error:KeeperErrorCode = NodeExists for /hbase >> 2012-05-20 08:10:10,329 INFO >> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level >> KeeperException when processing sessionid:0x137653a0e8e02fa type:create >> cxid:0x2 zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a Error >> Path:/hbase/unassigned Error:KeeperErrorCode = NodeExists for >> /hbase/unassigned >> 2012-05-20 08:10:10,329 INFO >> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level >> KeeperException when processing sessionid:0x137653a0e8e02fa type:create >> cxid:0x3 zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a Error >> Path:/hbase/rs Error:KeeperErrorCode = NodeExists for /hbase/rs >> 2012-05-20 08:10:10,330 INFO >> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level >> KeeperException when processing sessionid:0x137653a0e8e02fa type:create >> cxid:0x4 zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a Error >> Path:/hbase/table Error:KeeperErrorCode = NodeExists for /hbase/table >> >> >> Hadoop seems to be up and running. >> >> last log in the datanode is >> >> 12/05/20 06:15:25 INFO datanode.DataBlockScanner: Verification succeeded for >> blk_-3639294708473848144_3329 >> 12/05/20 06:26:20 INFO datanode.DataBlockScanner: Verification succeeded for >> blk_2502932128500788221_3413 >> 12/05/20 06:26:20 INFO datanode.DataBlockScanner: Verification succeeded for >> blk_3390059684225099859_3440 >> 12/05/20 06:59:32 INFO datanode.DataNode: BlockReport of 157 blocks took 19 >> msec to generate and 3 msecs for RPC and NN processing >> 12/05/20 07:24:51 INFO datanode.DataBlockScanner: Verification succeeded for >> blk_8954400942867609419_3363 >> 12/05/20 07:55:51 INFO datanode.DataBlockScanner: Verification succeeded for >> blk_-3650918785526360502_3387 >> 12/05/20 07:59:33 INFO datanode.DataNode: BlockReport of 157 blocks took 20 >> msec to generate and 3 msecs for RPC and NN processing >> 12/05/20 08:07:25 INFO datanode.DataBlockScanner: Verification succeeded for >> blk_786514597978592338_3336 >> >> I tried using hbase-explorer to view the tables but they all seem to down. >
