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https://issues.apache.org/jira/browse/HADOOP-4484?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eli Collins resolved HADOOP-4484.
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Resolution: Won't Fix
Out of date
> 0.18.1 breaks SOCKS server setting
> ----------------------------------
>
> Key: HADOOP-4484
> URL: https://issues.apache.org/jira/browse/HADOOP-4484
> Project: Hadoop Common
> Issue Type: Sub-task
> Affects Versions: 0.18.1
> Reporter: Eugene Hung
> Priority: Minor
>
> Our cluster is behind a gateway, and we asked users to use
> hadoop.socks.server to access the cluster.
> Recently, we "upgraded" our cluster from 0.17.2 to 0.18.1. However, this
> creates the following problem:
> Wrote input for Map #4
> Starting Job
> java.net.UnknownHostException: unknown host: hadoop-master
> at org.apache.hadoop.ipc.Client$Connection.<init>(Client.java:195)
> at org.apache.hadoop.ipc.Client.getConnection(Client.java:779)
> at org.apache.hadoop.ipc.Client.call(Client.java:704)
> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:216)
> at org.apache.hadoop.dfs.$Proxy0.getProtocolVersion(Unknown Source)
> at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:319)
> Nothing else has changed and we were able to duplicate this error on a
> separate cluster setup, so we
> believe 0.18.1 has broken this feature.
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