One correction, Oracle stopped shipping the JDBC-ODBC Bridge driver in Java 1.8. JDBC itself is still very much supported. Now I'm assuming by Impala you mean the Cloudera Product you may have a few options here (none of which I've personally tried, but am piecing together via Documentation. YMMV). First of course is to go get the JDBC drivers for Impala and Setup DBConnect with an unsupported database so you can then create connections to Impala. Depending on what you're doing with the data, also in the realm of just outside of supported, you may be able to fight the HadoopConnect App to get what you need (with that app, I really mean I mean fight). But in the realm of actually supported technologies have you considered looking at Hunk? ... View more

I figured out what was going on with this in my case. My issue what that I was using the client package from the Cloudera Hadoop distro and that my /usr/lib/hadoop had the binaries and many libraries for hadoop, but it did not have the hadoop-hdfs jar file. Coudera has a separate directory, /usr/lib/hadoop-hdfs, which contained a jar for hdfs. It's klugey, but I copied hadoop-hdfs-2.6.0-cdh5.7.1.jar into /usr/lib/hadoop and then it worked. ... View more