> 2011-06-06 18:40:11,833 WARN regionserver.HRegionServer - Unable to > read master address from ZooKeeper. Retrying. Error was:
This means that your master didn't start. Can you post the log for the master? -Joey On Tue, Jun 7, 2011 at 9:47 AM, Zhong, Sheng <[email protected]> wrote: > > Hey, > > The system works perfect until receiving device out of space and more > space is added. Hope anyone here could provide help on the hbase issue > we got after our of space. I could bring up HDFS via one of post found > by manually modifying namenode's /var/hdfs/current/edits file: $ printf > "\xff\xff\xff\xee\xff" > edits. However, the issue came to hbase > startup. We could see HMaster and HRegion processes running, but could > not access Hbase. The errors is described below: > > I am appreciated by any help and suggestion. We are even okay to lose > recent unprocessed data. P.S: we're using apache hadoop 0.20.2 and hbase > 0.20.3, and zookeeper is running via zookeeper-3.2.2 (not managed by > Hbase). > > Hbase.log: > 2011-06-06 18:40:11,833 WARN regionserver.HRegionServer - Unable to > read master address from ZooKeeper. Retrying. Error was: > java.io.IOException: > org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = > NoNode for /hbase/master > at > org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.readAddressOrThrow(Zo > oKeeperWrapper.java:394) > at > org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.readMasterAddressOrTh > row(ZooKeeperWrapper.java:298) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.getMaster(HRegionServ > er.java:1282) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.reportForDuty(HRegion > Server.java:1314) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.jav > a:430) > at java.lang.Thread.run(Thread.java:619) > Caused by: org.apache.zookeeper.KeeperException$NoNodeException: > KeeperErrorCode = NoNode for /hbase/master > at > org.apache.zookeeper.KeeperException.create(KeeperException.java:102) > at > org.apache.zookeeper.KeeperException.create(KeeperException.java:42) > at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:892) > at > org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.readAddressOrThrow(Zo > oKeeperWrapper.java:390) > ... 5 more > > Zookeeper.log: > 2011-06-06 21:48:36,174 - WARN > [ProcessThread:-1:PrepRequestProcessor@402] - Got exception when > processing sessionid:0x23067fc51970002 type:create cxid:0x19a9 > zxid:0xfffffffffffffffe txntype:unknown n/a > org.apache.zookeeper.KeeperException$NodeExistsException: > KeeperErrorCode = NodeExists > at > org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestPro > cessor.java:245) > at > org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcesso > r.java:114) > > > Regards, > Andy (Sheng) Zhong > > > This message, including any attachments, is the property of Sears Holdings > Corporation and/or one of its subsidiaries. It is confidential and may > contain proprietary or legally privileged information. If you are not the > intended recipient, please delete it without reading the contents. Thank you. > -- Joseph Echeverria Cloudera, Inc. 443.305.9434
