Hello. I'm facing a issue when trying to configure my SecondaryNameNode on a different machine than my NameNode. When both are on the same machine everything works fine but after moving the secondary to a new machine I get:
2012-05-28 09:57:36,832 ERROR org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException as:hadoop cause:java.net.ConnectException: Connection refused 2012-05-28 09:57:36,832 ERROR org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: Exception in doCheckpoint: 2012-05-28 09:57:36,834 ERROR org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:327) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:191) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:180) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:384) at java.net.Socket.connect(Socket.java:546) at java.net.Socket.connect(Socket.java:495) at sun.net.NetworkClient.doConnect(NetworkClient.java:178) at sun.net.www.http.HttpClient.openServer(HttpClient.java:409) at sun.net.www.http.HttpClient.openServer(HttpClient.java:530) at sun.net.www.http.HttpClient.<init>(HttpClient.java:240) at sun.net.www.http.HttpClient.New(HttpClient.java:321) at sun.net.www.http.HttpClient.New(HttpClient.java:338) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:935) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:876) at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:801) Is there any configuration I'm missing? At this point my mapred-site.xml is very simple just: <?xml version="1.0"?> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?> <configuration> <property> <name>mapred.job.tracker</name> <value>hadoop00:9001</value> </property> <property> <name>mapred.system.dir</name> <value>/home/hadoop/mapred/system</value> </property> <property> <name>mapred.local.dir</name> <value>/home/hadoop/mapred/local</value> </property> <property> <name>mapred.jobtracker.taskScheduler</name> <value>org.apache.hadoop.mapred.FairScheduler</value> </property> <property> <name>mapred.fairscheduler.allocation.file</name> <value>/home/hadoop/hadoop/conf/fairscheduler.xml</value> </property> </configuration> ________________________________ Subject to local law, communications with Accenture and its affiliates including telephone calls and emails (including content), may be monitored by our systems for the purposes of security and the assessment of internal compliance with Accenture policy. ______________________________________________________________________________________ www.accenture.com