Worker process had an unhandled exception
Data Pump 工作进程遇到无法处理的意外错误。这通常导致特定工作进程失败，而作业可能继续使用剩余的工作进程。
SELECT owner_name, job_name, state FROM dba_datapump_jobs;-- Review the Data Pump log file at the directory pathSELECT directory_path FROM dba_directories WHERE directory_name = 'DPUMP_DIR';