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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3432) NetUtils.createSocketAddr NPEs if dfs.datanode.ipc.address is not set for a data node
Date Wed, 21 May 2008 20:39:55 GMT
NetUtils.createSocketAddr NPEs if dfs.datanode.ipc.address is not set for a data node
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                 Key: HADOOP-3432
                 URL: https://issues.apache.org/jira/browse/HADOOP-3432
             Project: Hadoop Core
          Issue Type: Bug
          Components: dfs
    Affects Versions: 0.18.0
            Reporter: Steve Loughran
            Priority: Minor


DataNode.startDatanode assumes that a configuration always returns a non-null dfs.datanode.ipc.address
value, as the result is passed straight down to NetUtils.createSocketAddr

InetSocketAddress ipcAddr = NetUtils.createSocketAddr(
        conf.get("dfs.datanode.ipc.address"));

which triggers an NPE

Caused by: java.lang.NullPointerException
at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:130)
at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:119)
at org.apache.hadoop.dfs.DataNode.startDataNode(DataNode.java:353)
at org.apache.hadoop.dfs.DataNode.(DataNode.java:185)

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