have you tried using your favourite search engine to see what phrases in the log throw up, things like "could only be replicated to 0 nodes"
On 18 October 2013 11:21, Vimal Jain <[email protected]> wrote: > Hi, > I am running Hbase in pseudo distributed mode.( Hbase 0.94.7 and Hadoop > 1.1.2). > I am getting certain exceptions in Hadoop's namenode and data node files > which are :- > > Namenode :- > > 2013-10-18 10:33:37,218 INFO org.apache.hadoop.hdfs.StateChange: BLOCK* > NameSystem.heartbeatCheck: lost heartbeat from 192.168.20.30:50010 > 2013-10-18 10:33:37,242 INFO org.apache.hadoop.net.NetworkTopology: > Removing a node: /default-rack/192.168.20.30:50010 > 2013-10-18 10:35:27,606 INFO > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Number of > transactions: 64 Total time for transactions(ms): 1Number > of transactions batched in Syncs: 0 Number of syncs: 43 SyncTimes(ms): 86 > 2013-10-18 10:35:27,614 ERROR > org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException > as:hadoop cause:java.io.IOException: File /h > > base/event_data/433b61f2a4ebff8f2e4b89890508a3b7/.tmp/99797a61a8f7471cb6df8f7b95f18e9e > could only be replicated to 0 nodes, instead of 1 > 2013-10-18 10:35:27,895 INFO org.apache.hadoop.ipc.Server: IPC Server > handler 9 on 9000, call > addBlock(/hbase/event_data/433b61f2a4ebff8f2e4b89890508a > 3b7/.tmp/99797a61a8f7471cb6df8f7b95f18e9e, > DFSClient_hb_rs_hbase.rummycircle.com,60020,1382012725057, null) from > 192.168.20.30:44990: error: java.io.I > OException: File > > /hbase/event_data/433b61f2a4ebff8f2e4b89890508a3b7/.tmp/99797a61a8f7471cb6df8f7b95f18e9e > could only be replicated to 0 nodes, instead > of 1 > java.io.IOException: File > > /hbase/event_data/433b61f2a4ebff8f2e4b89890508a3b7/.tmp/99797a61a8f7471cb6df8f7b95f18e9e > could only be replicated to 0 nodes > , instead of 1 > at > > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1639) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:736) > at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:578) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1393) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1389) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:396) > at > > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1149) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1387) > > > Data node :- > > 2013-10-18 06:13:14,499 WARN > org.apache.hadoop.hdfs.server.datanode.DataNode: DatanodeRegistration( > 192.168.20.30:50010, storageID=DS-1816106352-192.16 > 8.20.30-50010-1369314076237, infoPort=50075, ipcPort=50020):Got exception > while serving blk_-3215981820534544354_52215 to /192.168.20.30: > java.net.SocketTimeoutException: 480000 millis timeout while waiting for > channel to be ready for write. ch : > java.nio.channels.SocketChannel[connected > local=/192.168.20.30:50010 remote=/192.168.20.30:36188] > at > > org.apache.hadoop.net.SocketIOWithTimeout.waitForIO(SocketIOWithTimeout.java:246) > at > > org.apache.hadoop.net.SocketOutputStream.waitForWritable(SocketOutputStream.java:159) > at > > org.apache.hadoop.net.SocketOutputStream.transferToFully(SocketOutputStream.java:198) > at > > org.apache.hadoop.hdfs.server.datanode.BlockSender.sendChunks(BlockSender.java:392) > at > > org.apache.hadoop.hdfs.server.datanode.BlockSender.sendBlock(BlockSender.java:490) > at > > org.apache.hadoop.hdfs.server.datanode.DataXceiver.readBlock(DataXceiver.java:202) > at > > org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:104) > at java.lang.Thread.run(Thread.java:662) > > > > > > > > -- > Thanks and Regards, > Vimal Jain > -- CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or entity to which it is addressed and may contain information that is confidential, privileged and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient, you are hereby notified that any printing, copying, dissemination, distribution, disclosure or forwarding of this communication is strictly prohibited. If you have received this communication in error, please contact the sender immediately and delete it from your system. Thank You.
