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Steve Loughran resolved HDFS-42. -------------------------------- Resolution: Duplicate Fix Version/s: 0.21.0 > NetUtils.createSocketAddr NPEs if dfs.datanode.ipc.address is not set for a > data node > ------------------------------------------------------------------------------------- > > Key: HDFS-42 > URL: https://issues.apache.org/jira/browse/HDFS-42 > Project: Hadoop HDFS > Issue Type: Bug > Affects Versions: 0.20.1, 0.20.2, 0.21.0, 0.22.0 > Reporter: Steve Loughran > Assignee: Steve Loughran > Priority: Minor > Labels: newbie > Fix For: 0.21.0 > > > 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) -- This message was sent by Atlassian JIRA (v6.3.4#6332)