Wrong resolution of hostname and port
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Key: HADOOP-4744
URL: https://issues.apache.org/jira/browse/HADOOP-4744
Project: Hadoop Core
Issue Type: Bug
Components: mapred
Affects Versions: 0.20.0
Reporter: Amareshwari Sriramadasu
Priority: Critical
Fix For: 0.20.0
I noticed the following for one of the hosts in a cluster:
1. machines.jsp page resolves the http address as just "http://hostname"; (which
doesn't work). It doesnt put the port number for the host. Even if I add the
port number manually in the URI, the task tracker page does not come up.
2. All the tasks(both maps and reduces) which ran on the machine ran
successfully. But tasklogs cannot be viewed, because port-number is not
resolved. ( same problem as in (1)).
3. The reducers waiting for maps ran on that machine fail with connection
failed errors saying the hostname is 'null'.
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