ERROR org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException
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2013-06-24 11:39:32,383 ERROR org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException as:zqgame cause:java.io.IOException: File /data/zqhadoop/data/mapred/system/jobtracker.info could only be replicated to 0 nodes, instead of 1 2013-06-24 11:39:32,384 INFO org.apache.hadoop.ipc.Server: IPC Server handler 1 on 9000, call addBlock(/data/zqhadoop/data/mapred/system/jobtracker.info, DFSClient_NONMAPREDUCE_-344066732_1, null) from 192.168.216.133:59866: error: java.io.IOException: File /data/zqhadoop/data/mapred/system/jobtracker.info could only be replicated to 0 nodes, instead of 1 java.io.IOException: File /data/zqhadoop/data/mapred/system/jobtracker.info <span style="color:#FF0000;">could only be replicated to 0 nodes, instead of 1</span> at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1920) at org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:783) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:587) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1432) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1428) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1190) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1426)
这里hadoop去查找可用的节点,但是结果找不到。
问题处在/etc/hosts和$HADOOP_HOME/conf/mapred-site.xml和core-site.xml。
解决方法:
1、修改$HADOOP_HOME/conf/mapred-site.xml和core-site.xml,把host修改为IP地址
core-site.xml
- zqgame@master:~/hadoop-1.2.0/bin$ more ../conf/core-site.xml
- <?xml version="1.0"?>
- <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
- <!-- Put site-specific property overrides in this file. -->
- <configuration>
- <property>
- <name>fs.default.name</name>
- <value>hdfs://192.168.216.133:9000</value>
- </property>
- <property>
- <name>hadoop.tmp.dir</name>
- <value>/data/zqhadoop/data</value>
- </property>
- </configuration>
- zqgame@master:~/hadoop-1.2.0/bin$ more ../conf/mapred-site.xml
- <?xml version="1.0"?>
- <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
- <!-- Put site-specific property overrides in this file. -->
- <configuration>
- <property>
- <name>mapred.job.tracker</name>
- <value>192.168.216.133:9001</value>
- </property>
- </configuration>
2、修改/etc/hosts配置,添加本机IP绑定
- zqgame@master:~/hadoop-1.2.0/bin$ more /etc/hosts
- 127.0.0.1 localhost
- 127.0.1.1 master
- <span style="color:#FF0000;">192.168.216.133 localhost.localdomain localhost</span>
3、关闭防火墙
PS:我的hosts配置文件是:
127.0.0.1 localhost192.168.20.114 master192.168.20.84 slave1192.168.20.85 slave2
0 0
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