Hi Gang, The log is not attached, please provide it again by the email or in jira. Thanks.
Regards, Radar On Tue, May 8, 2018 at 4:24 PM, gang.wang <gang.w...@sky-data.cn> wrote: > Hi,hawq team: > > > I have met an error using hawq pxf. > > > Here is my environment: > > 10.0.0.11,10.0.0.12,10.0.0.13 for hdfs > > 10.0.0.14,10.0.0.15,10.0.0.16 for hawq and pxf. > > centos 7.4 > > hawq version:2.2.0 > > > I followed the example on ‘''https://cwiki.apache.org/ > confluence/display/HAWQ/PXF+Build+and+Install''’ for > > '''CREATE EXTERNAL TABLE pxf_hdfs_textsimple ...’'' > > > But,when I query the external table ,I got the error below: > > > postgres=# select * from pxf_hdfs_textsimple; > > ERROR: Error dispatching to seg0 skyaxe-computing-0.localdomain:40000: > connection pointer is NULL > > DETAIL: > > Master unable to connect to seg0 skyaxe-computing-0.localdomain:40000: > could not connect to server: Connection refused > > Is the server running on host "10.0.0.14" and accepting > > TCP/IP connections on port 40000? > > > Mail attachments is pg_log. > > > Thanks! > > > >