https://community.cloudera.com/t5/Support-Questions/NameNode-can-not-be-started/m-p/100270#M63289 <P>In hdp sandbox, I got the following error in name node log, and name node can not be started</P><PRE>2015-12-21 12:51:27,924 INFO common.Storage (Storage.java:tryLock(715)) - Lock on /hadoop/hdfs/namenode/in_use.lock acquired by nodename 2311@sandbox.hortonworks.com 2015-12-21 12:51:28,120 INFO namenode.FileJournalManager (FileJournalManager.java:recoverUnfinalizedSegments(362)) - Recovering unfinalized segments in /hadoop/hdfs/namenode/current 2015-12-21 12:51:28,175 ERROR namenode.FSImage (FSImage.java:loadFSImage(679)) - Failed to load image from FSImageFile(file=/hadoop/hdfs/namenode/current/fsimage_0000000000000006843, cpktTxId=0000000000000006843) java.io.IOException: Premature EOF from inputStream at org.apache.hadoop.io.IOUtils.readFully(IOUtils.java:201) at org.apache.hadoop.hdfs.server.namenode.FSImageFormat$LoaderDelegator.load(FSImageFormat.java:221) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:957) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:941) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImageFile(FSImage.java:740) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:676) at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:294) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:976) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:681) at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:607) at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:667) at org.apache.hadoop.hdfs.server.namenode.NameNode.&lt;init&gt;(NameNode.java:896) at org.apache.hadoop.hdfs.server.namenode.NameNode.&lt;init&gt;(NameNode.java:880) at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1586) at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1652) 2015-12-21 12:51:28,223 WARN namenode.FSNamesystem (FSNamesystem.java:loadFromDisk(683)) - Encountered exception loading fsimage</PRE> Mon, 21 Dec 2015 21:40:28 GMT jzhang 2015-12-21T21:40:28Z