我试图通过 hcatalog 访问 mapreduce 中的 hive 表并面临以下异常：我用谷歌搜索它并尝试找到根本原因但无法成功，所以我在这里发布我的查询。
2016-12-01 15:48:35,855 INFO [main] metastore.HiveMetaStore (HiveMetaStore.java:newRawStore(564)) - 0: Opening raw store with implementation class:org.apache.hadoop.hive.metastore.ObjectStore
2016-12-01 15:48:35,857 INFO [main] metastore.ObjectStore (ObjectStore.java:initialize(325)) - ObjectStore, initialize called
2016-12-01 15:48:35,862 ERROR [main] DataNucleus.Persistence (Log4JLogger.java:error(115)) - Error : Could not find API definition for name "JDO". Perhaps you dont have the requisite datanucleus-api-XXX jar in the CLASSPATH?
Exception in thread "main" java.io.IOException: com.google.common.util.concurrent.UncheckedExecutionException: java.lang.RuntimeException: Unable to instantiate org.apache.hive.hcatalog.common.HiveClientCache$CacheableHiveMetaStoreClient
at org.apache.hive.hcatalog.mapreduce.HCatInputFormat.setInput(HCatInputFormat.java:97)
at org.apache.hive.hcatalog.mapreduce.HCatInputFormat.setInput(HCatInputFormat.java:51)
at hcatalog.DriverClass.run(DriverClass.java:30)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84) …