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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