It seems there is an invalid entry for *mapred.job.tracker* in mapred-site.xml it should be host:port pair.
On Wed, Dec 23, 2009 at 11:13 AM, Mohan Agarwal <[email protected]>wrote: > Hi, > I have installed hadoop-0.20.0 on remote system, but whenever I am > starting hadoop using start-all.sh ,it is throwing the following error : > > localhost: *Exception in thread "main" java.lang.NullPointerException* > localhost: *at > org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:134)* > localhost: at > > org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:161) > localhost: at > > org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:165) > localhost: at > > org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.initialize(SecondaryNameNode.java:131) > localhost: at > > org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.<init>(SecondaryNameNode.java:115) > localhost: at > > org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.main(SecondaryNameNode.java:476) > > Log files are also showing errors > > *hadoop-hadoop-namenode-blueberry.log :* > > 2009-12-23 10:31:02,664 ERROR > org.apache.hadoop.hdfs.server.namenode.NameNode: > java.lang.NullPointerException > at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:134) > at > > org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:161) > at > > org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:165) > at > > org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:180) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:288) > at > > org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:968) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:977) > > 2009-12-23 10:31:02,664 INFO > org.apache.hadoop.hdfs.server.namenode.NameNode: SHUTDOWN_MSG: > > > *hadoop-hadoop-datanode-blueberry.log :* > > 2009-12-23 10:31:03,919 ERROR > org.apache.hadoop.hdfs.server.datanode.DataNode: > java.lang.NullPointerException > at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:134) > at > > org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:161) > at > > org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:165) > at > > org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:252) > at > org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:222) > at > > org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1306) > at > > org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1261) > at > > org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1269) > at > org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1391) > > 2009-12-23 10:31:03,919 INFO > org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG: > > > *hadoop-hadoop-secondarynamenode-blueberry.log :* > > 2009-12-23 10:31:05,034 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: > Initializing JVM Metrics with processName=SecondaryNameNode, sessionId=null > 2009-12-23 10:31:05,095 INFO > org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: SHUTDOWN_MSG: > > * > **hadoop-hadoop-jobtracker-blueberry.log :* > > 2009-12-23 10:31:06,134 INFO org.apache.hadoop.mapred.JobTracker: Scheduler > configured with (memSizeForMapSlotOnJT, memSizeForReduceSlotOnJT, > limitMaxMemForMapTasks, limitMaxMemForReduceTasks) (-1, -1, -1, -1) > 2009-12-23 10:31:06,150 FATAL org.apache.hadoop.mapred.JobTracker: > java.lang.RuntimeException: Not a host:port pair: local > at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:136) > at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:123) > at org.apache.hadoop.mapred.JobTracker.getAddress(JobTracker.java:1823) > at org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:1598) > at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:185) > at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:177) > at org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:3732) > > 2009-12-23 10:31:06,151 INFO org.apache.hadoop.mapred.JobTracker: > SHUTDOWN_MSG: > > > *hadoop-hadoop-tasktracker-blueberry.log :* > > 2009-12-23 10:31:07,231 ERROR org.apache.hadoop.mapred.TaskTracker: Can not > start task tracker because java.lang.RuntimeException: Not a host:port > pair: > local > at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:136) > at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:123) > at org.apache.hadoop.mapred.JobTracker.getAddress(JobTracker.java:1823) > at org.apache.hadoop.mapred.TaskTracker.<init>(TaskTracker.java:905) > at org.apache.hadoop.mapred.TaskTracker.main(TaskTracker.java:2833) > > 2009-12-23 10:31:07,231 INFO org.apache.hadoop.mapred.TaskTracker: > SHUTDOWN_MSG: > > Please help me to solve this problem. > > Thanking You > Mohan Agarwal > -- Thanks & Regards, Chandra Prakash Bhagtani, Impetus Infotech (india) Pvt Ltd.
