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.
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