Hive自定义inputformat后调mapreduce报错Class not found
求大神指导!
CDH集群。自定义一个Inputformat以后,直接放入所有hiveserver2节点的lib下。重启hiveserver2,建表语句使用该自定义的inputformat。
在select * 无错。但是一旦遇到需要调用mapreduce的地方,如where如join,则会报错。报该inputformat类找不到!
Error: java.io.IOException: cannot find class com.my.parquet.MyParquetInputFormat
at org.apache.hadoop.hive.ql.io.CombineHiveInputFormat.getRecordReader(CombineHiveInputFormat.java:714)
at org.apache.hadoop.mapred.MapTask$TrackedRecordReader.<init>(MapTask.java:169)
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:432)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:164)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1693)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
该怎么办!求大神解答!