Java 任务正在失败

有人知道我为什么会出现这个错误吗？

这看起来很可疑：“inst4\u usg2..u\u in\u充电”。语法不是“database.tablename”吗？这是什么额外的“？在那里做什么？这只是一个日志，我们是这样打印的，在后端我们坚持正确的命名约定。

Task failed at: 2016-04-10T13:03:44.152+07:00
com.subex.spark.taskcontroller.tasks.TaskComponentException:
        at com.subex.spark.taskcontroller.tasks.bulkexternalstagedataload.BulkExternalStageDataLoadTask.runTask(BulkExternalStageDataLoadTask.java:489)
        at com.subex.spark.taskcontroller.tasks.AbstractTaskComponent.runTaskWrapper(AbstractTaskComponent.java:434)
        at com.subex.spark.taskcontroller.tasks.AbstractTaskComponent.run(AbstractTaskComponent.java:299)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.util.concurrent.ExecutionException: com.subex.spark.taskcontroller.tasks.TaskComponentException: Load failed for 271 files to datasource rai4usg2 and table inst4_usg2..u_in_recharge with usp_id 14, database part key 12, database subpart key 1
        at java.util.concurrent.FutureTask.report(FutureTask.java:122)
        at java.util.concurrent.FutureTask.get(FutureTask.java:188)
        at com.subex.spark.taskcontroller.tasks.bulkexternalstagedataload.BulkExternalStageDataLoadTask.executeAndGetAllResults(BulkExternalStageDataLoadTask.java:572)
        at com.subex.spark.taskcontroller.tasks.bulkexternalstagedataload.BulkExternalStageDataLoadTask.runTask(BulkExternalStageDataLoadTask.java:463)
        ... 3 more
Caused by: com.subex.spark.taskcontroller.tasks.TaskComponentException: Load failed for 271 files to datasource rai4usg2 and table inst4_usg2..u_in_recharge with usp_id 14, database part key 12, database subpart key 1
        at com.subex.spark.taskcontroller.tasks.bulkexternalstagedataload.BulkExternalStageDataLoadTask$BulkExternalStageDataLoadThread.call(BulkExternalStageDataLoadTask.java:1059)
        at com.subex.spark.taskcontroller.tasks.bulkexternalstagedataload.BulkExternalStageDataLoadTask$BulkExternalStageDataLoadThread.call(BulkExternalStageDataLoadTask.java:769)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        ... 1 more