hive 中出现struct 结构化的问题

如果你使用udf，udaf，udtf中的某一个并且查询日志中出现如下之类的struct错误

 

java.lang.RuntimeException: Error in configuring object

	at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:104)

	at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:74)

	at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:64)

	at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:128)

	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:370)

	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:324)

	at org.apache.hadoop.mapred.Child.main(Child.java:165)

Caused by: java.lang.reflect.InvocationTargetException

	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

	at java.lang.reflect.Method.invoke(Method.java:597)

	at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:99)

	... 6 more

Caused by: java.lang.RuntimeException: Error in configuring object

	at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:104)

	at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:74)

	at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:64)

	at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:128)

	at org.apache.hadoop.mapred.MapRunner.configure(MapRunner.java:34)

	... 11 more

Caused by: java.lang.reflect.InvocationTargetException

	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

	at java.lang.reflect.Method.invoke(Method.java:597)

	at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:99)

	... 15 more

Caused by: java.lang.RuntimeException: Map operator initialization failed

	at org.apache.hadoop.hive.ql.exec.ExecMapper.configure(ExecMapper.java:130)

	... 20 more

Caused by: java.lang.RuntimeException: java.lang.IllegalArgumentException: Error: name expected at the position 67 of 'struct
 
   
    
  ,mapl:map
  
    
      >,int>>,mapr:map 
     
       >,int>>,sum:int>' but '>' is found. at org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.initializeOp(ReduceSinkOperator.java:129) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:351) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:427) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:383) at org.apache.hadoop.hive.ql.exec.GroupByOperator.initializeOp(GroupByOperator.java:368) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:351) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:427) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:383) at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:62) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:351) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:427) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:383) at org.apache.hadoop.hive.ql.exec.Operator.initializeOp(Operator.java:368) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:351) at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:358) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:351) at org.apache.hadoop.hive.ql.exec.ExecMapper.configure(ExecMapper.java:94) 
      
    
 
   

 

那么请注意一下 编写的函数中是否如果是复合型数据结构，那么一定不要出现Character