https://community.cloudera.com/t5/Support-Questions/impala-jdbc-not-support-UPSERT-preparestatement-KUDU/m-p/54481#M11850 hello Matt Jacobs thanks for response, our sqlstatement is like below insert into tablename (id,col1,col2) values(?,?,?) or upsert into tablename (id,col1,col2) values(?,?,?) when using insert is ok, but upsert report exception. for your advise we now trying, late will give you the result thanks Mon, 08 May 2017 03:06:15 GMT w3huang 2017-05-08T03:06:15Z