Cloudera / Hive - 主机名更改后无法访问表

I created a Cloudera cluster and imported some sample test files from oracle DB. But after a while I had to change the hostnames of the nodes. I followed the guide mentioned in cloudera site and everything worked fine. But when I try to access tables(using both hive and impala) I created earlier I get the following error: Fetching results ran into the following error(s):I created a Cloudera cluster and imported some