Can't find the Job Status in WEB UI

Hi, I am running a mapreduce job, but I can't find the job status in the web UI which the namenode(NN) servers. As the picture shows below. The Hadoop version is 2.0.0-alpha. Cluster: 1 NN, 3 datanodes(DNs). NN: two NICs DN: only one NIC. The datanodes can only access LAN in the cluster. c

Can't browse the filesystem By Internet Explorer

Hi, I have installed a cluster with hadoop2.0.0-alpha, totally 4 pc works, 1 Namenode, 3 Datanodes. I opened the http://master:50070/dfshealth.jps page by Chrome from a remote pc, it's all right, However, when I clicked the "browse the filesystem", the Chrome redirect to http://slave16:50075/brow