hadoop using scoundary name node -------------------------------- Key: HDFS-3242 URL: https://issues.apache.org/jira/browse/HDFS-3242 Project: Hadoop HDFS Issue Type: Bug Reporter: cldoltd
I wanto using scoundary name node back up at master and one salve i config in conf/master master slave1 in slave1 i config in hdfs-site: <property> <name>dfs.http.address</name> <value>hmaster90:50070</value> </property> But when i stop , and start hadop error is: 2012-04-09 19:06:57,971 ERROR org.apache.hadoop.hdfs.server.namenode.NameNode: java.lang.NullPointerException at org.apache.hadoop.hdfs.server.namenode.FSDirectory.addChild(FSDirectory.java:1091) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.addChild(FSDirectory.java:1103) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.addNode(FSDirectory.java:1006) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.unprotectedAddFile(FSDirectory.java:205) at org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadFSEdits(FSEditLog.java:613) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSEdits(FSImage.java:1013) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:826) at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:362) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:97) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:386) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:360) at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:276) at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:496) at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1279) at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1288) i remove file edit.new then runsucess but i data will be lost. How does use scoundaryname node in other computer thank. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira