javac?WordCountTopology.java

WordCountTopology.java:20:?package?backtype.storm?does?not?exist
import?backtype.storm.Config;
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WordCountTopology.java:21:?package?backtype.storm?does?not?exist
import?backtype.storm.LocalCluster;
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WordCountTopology.java:22:?package?backtype.storm?does?not?exist
import?backtype.storm.StormSubmitter;
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WordCountTopology.java:23:?package?backtype.storm.task?does?not?exist
import?backtype.storm.task.ShellBolt;
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WordCountTopology.java:24:?package?backtype.storm.topology?does?not?exist
import?backtype.storm.topology.BasicOutputCollector;
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WordCountTopology.java:25:?package?backtype.storm.topology?does?not?exist
import?backtype.storm.topology.IRichBolt;
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WordCountTopology.java:26:?package?backtype.storm.topology?does?not?exist
import?backtype.storm.topology.OutputFieldsDeclarer;
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WordCountTopology.java:27:?package?backtype.storm.topology?does?not?exist
import?backtype.storm.topology.TopologyBuilder;
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WordCountTopology.java:28:?package?backtype.storm.topology.base?does?not?exist
import?backtype.storm.topology.base.BaseBasicBolt;
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WordCountTopology.java:29:?package?backtype.storm.tuple?does?not?exist
import?backtype.storm.tuple.Fields;
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WordCountTopology.java:30:?package?backtype.storm.tuple?does?not?exist
import?backtype.storm.tuple.Tuple;
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WordCountTopology.java:31:?package?backtype.storm.tuple?does?not?exist
import?backtype.storm.tuple.Values;
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WordCountTopology.java:32:?package?storm.starter.spout?does?not?exist
import?storm.starter.spout.RandomSentenceSpout;
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WordCountTopology.java:41:?cannot?find?symbol
symbol??:?class?ShellBolt
location:?class?storm.starter.WordCountTopology
??public?static?class?SplitSentence?extends?ShellBolt?implements?IRichBolt?{
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WordCountTopology.java:41:?cannot?find?symbol
symbol??:?class?IRichBolt
location:?class?storm.starter.WordCountTopology
??public?static?class?SplitSentence?extends?ShellBolt?implements?IRichBolt?{
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WordCountTopology.java:48:?cannot?find?symbol
symbol??:?class?OutputFieldsDeclarer
location:?class?storm.starter.WordCountTopology.SplitSentence
????public?void?declareOutputFields(OutputFieldsDeclarer?declarer)?{
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WordCountTopology.java:58:?cannot?find?symbol
symbol??:?class?BaseBasicBolt
location:?class?storm.starter.WordCountTopology
??public?static?class?WordCount?extends?BaseBasicBolt?{
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WordCountTopology.java:62:?cannot?find?symbol
symbol??:?class?Tuple
location:?class?storm.starter.WordCountTopology.WordCount
????public?void?execute(Tuple?tuple,?BasicOutputCollector?collector)?{
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WordCountTopology.java:62:?cannot?find?symbol
symbol??:?class?BasicOutputCollector
location:?class?storm.starter.WordCountTopology.WordCount
????public?void?execute(Tuple?tuple,?BasicOutputCollector?collector)?{
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WordCountTopology.java:73:?cannot?find?symbol
symbol??:?class?OutputFieldsDeclarer
location:?class?storm.starter.WordCountTopology.WordCount
????public?void?declareOutputFields(OutputFieldsDeclarer?declarer)?{
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WordCountTopology.java:49:?cannot?find?symbol
symbol??:?class?Fields
location:?class?storm.starter.WordCountTopology.SplitSentence
??????declarer.declare(new?Fields("word"));
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WordCountTopology.java:47:?method?does?not?override?or?implement?a?method?from?a?supertype
????@Override
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WordCountTopology.java:52:?method?does?not?override?or?implement?a?method?from?a?supertype
????@Override
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WordCountTopology.java:69:?cannot?find?symbol
symbol??:?class?Values
location:?class?storm.starter.WordCountTopology.WordCount
??????collector.emit(new?Values(word,?count));
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WordCountTopology.java:61:?method?does?not?override?or?implement?a?method?from?a?supertype
????@Override
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WordCountTopology.java:74:?cannot?find?symbol
symbol??:?class?Fields
location:?class?storm.starter.WordCountTopology.WordCount
??????declarer.declare(new?Fields("word",?"count"));
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WordCountTopology.java:72:?method?does?not?override?or?implement?a?method?from?a?supertype
????@Override
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WordCountTopology.java:86:?cannot?find?symbol
symbol??:?class?TopologyBuilder
location:?class?storm.starter.WordCountTopology
????TopologyBuilder?builder?=?new?TopologyBuilder();
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WordCountTopology.java:86:?cannot?find?symbol
symbol??:?class?TopologyBuilder
location:?class?storm.starter.WordCountTopology
????TopologyBuilder?builder?=?new?TopologyBuilder();
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WordCountTopology.java:88:?cannot?find?symbol
symbol??:?class?RandomSentenceSpout
location:?class?storm.starter.WordCountTopology
????builder.setSpout("spout",?new?RandomSentenceSpout(),?5).setNumTasks(7);
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WordCountTopology.java:91:?cannot?find?symbol
symbol??:?class?Fields
location:?class?storm.starter.WordCountTopology
????builder.setBolt("count",?new?WordCount(),?12).fieldsGrouping("split",?new?Fields("word"));
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WordCountTopology.java:93:?cannot?find?symbol
symbol??:?class?Config
location:?class?storm.starter.WordCountTopology
????Config?conf?=?new?Config();
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WordCountTopology.java:93:?cannot?find?symbol
symbol??:?class?Config
location:?class?storm.starter.WordCountTopology
????Config?conf?=?new?Config();
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WordCountTopology.java:100:?cannot?find?symbol
symbol??:?variable?StormSubmitter
location:?class?storm.starter.WordCountTopology
??????StormSubmitter.submitTopologyWithProgressBar(args[0],?conf,?builder.createTopology());
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WordCountTopology.java:105:?cannot?find?symbol
symbol??:?class?LocalCluster
location:?class?storm.starter.WordCountTopology
??????LocalCluster?cluster?=?new?LocalCluster();
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WordCountTopology.java:105:?cannot?find?symbol
symbol??:?class?LocalCluster
location:?class?storm.starter.WordCountTopology
??????LocalCluster?cluster?=?new?LocalCluster();
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36?errors

何解？