Is that all the messages in the datanode log? Do you see any SHUTDOWN message also?
-Bharath ________________________________ From: Panayotis Antonopoulos <antonopoulos...@hotmail.com> To: common-user@hadoop.apache.org Sent: Thursday, May 12, 2011 6:07 PM Subject: Datanode doesn't start but there is no exception in the log Hello, I am trying to set up Hadoop HDFS in a cluster for the first time. So far I was using pseudo-distributed mode on my PC at home and everything was working perfectly. Tha NameNode starts but the DataNode doesn't start and the log contains the following: 2011-05-13 04:01:13,663 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG: /************************************************************ STARTUP_MSG: Starting DataNode STARTUP_MSG: host = clone1/147.102.4.129 STARTUP_MSG: args = [] STARTUP_MSG: version = 0.20.2-cdh3u0 STARTUP_MSG: build = -r 81256ad0f2e4ab2bd34b04f53d25a6c23686dd14; compiled by 'hudson' on Fri Mar 25 19:56:23 PDT 2011 ************************************************************/ 2011-05-13 04:01:14,019 INFO org.apache.hadoop.security.UserGroupInformation: JAAS Configuration already set up for Hadoop, not re-installing. 2011-05-13 04:01:14,143 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Registered FSDatasetStatusMBean 2011-05-13 04:01:14,152 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Opened info server at 50010 2011-05-13 04:01:14,154 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Balancing bandwith is 1048576 bytes/s 2011-05-13 04:01:14,206 INFO org.mortbay.log: Logging to org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via org.mortbay.log.Slf4jLog 2011-05-13 04:01:14,272 INFO org.apache.hadoop.http.HttpServer: Added global filtersafety (class=org.apache.hadoop.http.HttpServer$QuotingInputFilter) 2011-05-13 04:01:14,278 INFO org.apache.hadoop.http.HttpServer: Port returned by webServer.getConnectors()[0].getLocalPort() before open() is -1. Opening the listener on 50075 2011-05-13 04:01:14,278 INFO org.apache.hadoop.http.HttpServer: listener.getLocalPort() returned 50075 webServer.getConnectors()[0].getLocalPort() returned 50075 2011-05-13 04:01:14,278 INFO org.apache.hadoop.http.HttpServer: Jetty bound to port 50075 2011-05-13 04:01:14,278 INFO org.mortbay.log: jetty-6.1.26 2011-05-13 04:01:14,567 INFO org.mortbay.log: Started SelectChannelConnector@0.0.0.0:50075 2011-05-13 04:01:14,570 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: Initializing JVM Metrics with processName=DataNode, sessionId=null 2011-05-13 04:01:14,976 INFO org.apache.hadoop.ipc.Server: Starting Socket Reader #1 for port 50020 2011-05-13 04:01:14,978 INFO org.apache.hadoop.ipc.metrics.RpcMetrics: Initializing RPC Metrics with hostName=DataNode, port=50020 2011-05-13 04:01:14,981 INFO org.apache.hadoop.ipc.metrics.RpcDetailedMetrics: Initializing RPC Metrics with hostName=DataNode, port=50020 2011-05-13 04:01:14,984 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: dnRegistration = DatanodeRegistration(clone1:50010, storageID=, infoPort=50075, ipcPort=50020) Does anyone know what might be wrong?? Thank you in advance! Panagiotis