MapReduce异常：java.lang.ClassCastException: interface javax.xml.soap.Text

java.lang.ClassCastException: interface javax.xml.soap.Text
	at java.lang.Class.asSubclass(Class.java:3396)
	at org.apache.hadoop.mapred.JobConf.getOutputKeyComparator(JobConf.java:887)
	at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.init(MapTask.java:1004)
	at org.apache.hadoop.mapred.MapTask.createSortingCollector(MapTask.java:402)
	at org.apache.hadoop.mapred.MapTask.access$100(MapTask.java:81)
	at org.apache.hadoop.mapred.MapTask$NewOutputCollector.<init>(MapTask.java:698)
	at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:770)
	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
	at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:270)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)

解决方法：

1、原因是因为引入Text包时引入错误的包：

2、把这个Text替换为