I found the problem, I should set parameter dfs.http.address. Seems the official tutorial has no information for this case.
On Fri, May 14, 2010 at 10:11 AM, Jeff Zhang <zjf...@gmail.com> wrote: > Hi all, > > At first I have the name node and secondary name node on the same > machine, now I want to move the secondary name node to another > machine, but find the following errors in the log of the new deployed > secondary name node. Anyone can help ?Thanks > > 2010-05-14 09:53:07,583 ERROR > org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: Exception in > doCheckpoint: > 2010-05-14 09:53:07,583 ERROR > org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: > java.net.ConnectException: Connection refused at > java.net.PlainSocketImpl.socketConnect(Native Method) at > java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333) at > java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:193) > at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182) > at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366) > at java.net.Socket.connect(Socket.java:529) at > java.net.Socket.connect(Socket.java:478) at > sun.net.NetworkClient.doConnect(NetworkClient.java:163) > at sun.net.www.http.HttpClient.openServer(HttpClient.java:394) > at sun.net.www.http.HttpClient.openServer(HttpClient.java:529) > at sun.net.www.http.HttpClient.<init>(HttpClient.java:233) > at sun.net.www.http.HttpClient.New(HttpClient.java:306) > at sun.net.www.http.HttpClient.New(HttpClient.java:323) > at > sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860) > at > sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801) > at > sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726) > at > sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049) > at > org.apache.hadoop.hdfs.server.namenode.TransferFsImage.getFileClient(TransferFsImage.java:151) > at > org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.downloadCheckpointFiles(SecondaryNameNode.java:256) > at > org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doCheckpoint(SecondaryNameNode.java:313) > at > org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.run(SecondaryNameNode.java:225) > at java.lang.Thread.run(Thread.java:619) > > -- > Best Regards > > Jeff Zhang > -- Best Regards Jeff Zhang
