使用pxf访问外接表，查询提示错误

hawqgsdb=# select count(*) from retail_demo.customers_dim_pxf;
ERROR: remote component error (500) from '192.168.21.3:51200': type Exception report message File /retail_demo/customers_dim/customers_dim.tsv.gz does not exist description The server encountered an internal error that prevented it from fulfilling this request. exception java.io.IOException: File /retail_demo/customers_dim/customers_dim.tsv.gz does not exist (libchurl.c:897) (seg2 dataserver1:40000 pid=707258) (dispatcher.c:1805)
DETAIL: External table customers_dim_pxf, file pxf://192.168.21.8:51200/retail_demo/customers_dim/customers_dim.tsv.gz?profile=HdfsTextSimple