启动hadoop，出现问题，防火墙也关了，哪位能帮忙看一下

hdfs-site.xml  logs         share
-bash-4.2$ bin/hdfs dfsadmin -report
18/08/09 12:03:10 WARN ipc.Client: Failed to connect to server: Master.Hadoop/192.168.0.150:50070: try once and fail.
java.net.ConnectException: 拒绝连接
        at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
        at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
        at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
        at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:531)
        at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:495)
        at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:681)
        at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:777)
        at org.apache.hadoop.ipc.Client$Connection.access$3500(Client.java:409)
        at org.apache.hadoop.ipc.Client.getConnection(Client.java:1542)
        at org.apache.hadoop.ipc.Client.call(Client.java:1373)
        at org.apache.hadoop.ipc.Client.call(Client.java:1337)
        at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:227)
        at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:116)
        at com.sun.proxy.$Proxy10.getFsStats(Unknown Source)
        at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getStats(ClientNamenodeProtocolTranslatorPB.java:626)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:398)
        at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:163)
        at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:155)
        at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95)
        at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:335)
        at com.sun.proxy.$Proxy11.getStats(Unknown Source)
        at org.apache.hadoop.hdfs.DFSClient.getStateByIndex(DFSClient.java:2073)
        at org.apache.hadoop.hdfs.DFSClient.getDiskStatus(DFSClient.java:2082)
        at org.apache.hadoop.hdfs.DistributedFileSystem.getStatus(DistributedFileSystem.java:1224)
        at org.apache.hadoop.fs.FileSystem.getStatus(FileSystem.java:2350)
        at org.apache.hadoop.hdfs.tools.DFSAdmin.report(DFSAdmin.java:476)
        at org.apache.hadoop.hdfs.tools.DFSAdmin.run(DFSAdmin.java:1908)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90)
        at org.apache.hadoop.hdfs.tools.DFSAdmin.main(DFSAdmin.java:2099)
report: Call From Master.Hadoop/192.168.0.150 to Master.Hadoop:50070 failed on connection exception: java.net.ConnectException: 拒绝连接; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused