[
https://issues.apache.org/jira/browse/HDFS-3242?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
cldoltd updated HDFS-3242:
--------------------------
Description:
I want to 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>master: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.
was:
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.
> 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 want to 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>master: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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