我正尝试使用pyspark代码将SAP HANA表中的300M数据集导入到蜂巢中，使用多处理，10个线程没有租约异常
Exception in thread "main" 19/02/27 11:20:32 ERROR hdfs.DFSClient: Failed to close inode 1499015670 org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException): No lease on /user/ck/.sparkStaging/application_1551278166756_0297/abc.keytab (inode 1499015670): File does not exist. Holder DFSClient_NONMAPREDUCE_-1650244877_1 does not have any open files. at