storm java.nio.channels.UnresolvedAddressException: null

java.nio.channels.UnresolvedAddressException: null
        at sun.nio.ch.Net.checkAddress(Net.java:30) ~[na:1.6.0_25]
        at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:480) ~[na:1.6.0_25]
        at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink.connect(NioClientSocketPipelineSink.java:106) ~[netty-3.6.3.Final.jar:na]
        at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink.eventSunk(NioClientSocketPipelineSink.java:69) ~[netty-3.6.3.Final.jar:na]
        at org.jboss.netty.handler.codec.oneone.OneToOneEncoder.handleDownstream(OneToOneEncoder.java:54) ~[netty-3.6.3.Final.jar:na]

可能是host没配好