首先检验Hive元数据是否正常，如果Hive元数据正常使用，请在oozie配置文件workflow.xml中增加配置：
<property> <name>hive.metastore.uris</name> <value>thrift://192.168.2.21:9083</value> </property>
具体原因需要再排查，可能是由于环境变量导致
参考：
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