背景：oozie+hive+python.
執行操作：在oozie中配置python腳本動態拼接SQL使用hive執行
關鍵操作：hiveSQL中有動態分區
報錯信息：
2019-03-26 13:53:51,437 WARN [main] org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl: Job init failed org.apache.hadoop.yarn.exceptions.YarnRuntimeException: java.io.FileNotFoundException: File does not exist: hdfs://bigdata-dev-41:8020/user/admin/.staging/job_1553569992884_0041/job.splitmetainfo at org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl$InitTransition.createSplits(JobImpl.java:1585) at org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl$InitTransition.transition(JobImpl.java:1449) at org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl$InitTransition.transition(JobImpl.java:1407) at org.apache.hadoop.yarn.state.StateMachineFactory$MultipleInternalArc.doTransition(StateMachineFactory.java:385) at org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:302) at org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:46) at org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:448) at org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl.handle(JobImpl.java:1001) at org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl.handle(JobImpl.java:138) at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$JobEventDispatcher.handle(MRAppMaster.java:1366) at org.apache.hadoop.mapreduce.v2.app.MRAppMaster.serviceStart(MRAppMaster.java:1142) at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193) at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$5.run(MRAppMaster.java:1573) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1917) at org.apache.hadoop.mapreduce.v2.app.MRAppMaster.initAndStartAppMaster(MRAppMaster.java:1569) at org.apache.hadoop.mapreduce.v2.app.MRAppMaster.main(MRAppMaster.java:1502) Caused by: java.io.FileNotFoundException: File does not exist: hdfs://bigdata-dev-41:8020/user/admin/.staging/job_1553569992884_0041/job.splitmetainfo at org.apache.hadoop.hdfs.DistributedFileSystem$20.doCall(DistributedFileSystem.java:1266) at org.apache.hadoop.hdfs.DistributedFileSystem$20.doCall(DistributedFileSystem.java:1258) at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1258) at org.apache.hadoop.mapreduce.split.SplitMetaInfoReader.readSplitMetaInfo(SplitMetaInfoReader.java:51) at org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl$InitTransition.createSplits(JobImpl.java:1580) ... 17 more
將python拼接好的SQL在hue窗口執行沒有問題，說明報錯原因不是SQL本身，而二者的區別在於執行該SQL的用戶不同，所以在配置oozie的workflow是配置用戶參數的環境變量。
解決方案：
HADOOP_USER_NAME=${wf:user()}
至此可解決上述問題。