Description
The TestReplicationPolicy test doesn't use mini-dfs and specifies a fixed port, so it can crash with address in use:
java.net.BindException: Address already in use
at sun.nio.ch.Net.bind(Native Method)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:119)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:59)
at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:184)
at org.apache.hadoop.ipc.Server.<init>(Server.java:622)
at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:323)
at org.apache.hadoop.ipc.RPC.getServer(RPC.java:293)
at org.apache.hadoop.dfs.NameNode.init(NameNode.java:181)
at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:207)
at org.apache.hadoop.dfs.TestReplicationPolicy.<clinit>(TestReplicationPolicy.java:36)