Thanks for the quick reply Todd. I did that before I first tried starting HBase, but I'm still seeing the issues. Any other suggestions?
On Mon, Jan 10, 2011 at 10:00 PM, Todd Lipcon <[email protected]> wrote: > Hi Bill, > You simply need to replace the hadoop "core" jar in your HBase lib/ > directory with the same version from your HDFS install. > -Todd > > On Mon, Jan 10, 2011 at 9:45 PM, Bill Graham <[email protected]> wrote: >> >> Hi, >> >> Today I upgraded from Hadoop 0.20.1 to CHD3b2 0.20.2 to get the append >> functionality that HBase requires and now I can't start HBase. Hadoop >> and HDFS seem to be working just fine, but when I start up the HBase >> master, I get this error in the NNs: >> >> 2011-01-10 21:20:36,134 ERROR >> org.apache.hadoop.hdfs.server.datanode.DataNode: >> DatanodeRegistration(*.*.*.*:50010, >> storageID=DS-662249796-*.*.*.*-50010-1279065963700, infoPort=50075, >> ipcPort=50020):DataXceiver >> java.io.IOException: Version Mismatch >> at >> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:95) >> >> And this on the HBase master: >> >> 2011-01-10 21:20:39,139 FATAL org.apache.hadoop.hbase.master.HMaster: >> Unhandled exception. Starting shutdown. >> java.io.IOException: Could not obtain block: >> blk_4116902588460384179_696504 file=/hbase-app/hbase/hbase.version >> at >> org.apache.hadoop.hdfs.DFSClient$DFSInputStream.chooseDataNode(DFSClient.java:1864) >> at >> org.apache.hadoop.hdfs.DFSClient$DFSInputStream.blockSeekTo(DFSClient.java:1690) >> at >> org.apache.hadoop.hdfs.DFSClient$DFSInputStream.read(DFSClient.java:1819) >> at >> org.apache.hadoop.hdfs.DFSClient$DFSInputStream.read(DFSClient.java:1747) >> at >> java.io.DataInputStream.readUnsignedShort(DataInputStream.java:320) >> at java.io.DataInputStream.readUTF(DataInputStream.java:572) >> at >> org.apache.hadoop.hbase.util.FSUtils.getVersion(FSUtils.java:152) >> at >> org.apache.hadoop.hbase.util.FSUtils.checkVersion(FSUtils.java:173) >> at >> org.apache.hadoop.hbase.master.MasterFileSystem.checkRootDir(MasterFileSystem.java:226) >> at >> org.apache.hadoop.hbase.master.MasterFileSystem.createInitialFileSystemLayout(MasterFileSystem.java:104) >> at >> org.apache.hadoop.hbase.master.MasterFileSystem.<init>(MasterFileSystem.java:89) >> at >> org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:338) >> at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:274) >> >> Any ideas where to look? I'm kinda at a loss here, since I'm fairly >> certain the versions are all in sync. I'm able to browse HDFS in the >> UI and copyToLocal the /hbase-app/hbase/hbase.version file without >> problems. >> >> thanks, >> Bill > > > > -- > Todd Lipcon > Software Engineer, Cloudera >
