Hive-exec isn't meant for external usage. It is the bundled jar of Hive's runtime dependencies that are required for Hive's MapReduce tasks. It consists of :
hive-common hive-ql hive-serde hive-shims thrift commons-lang json avro avro-mapred java-ewah javolution protobuf-java -- Owen On Mon, Mar 25, 2013 at 11:42 AM, Dave Winterbourne < dave.winterbou...@gmail.com> wrote: > I have been working on eliminating duplicate class warnings in my maven > build, and in the end discovered that there are two classes from apache > commons-lang that are bundled with hive-exec: > > jar tf hive-0.10.0-bin//lib/hive-exec-0.10.0.jar | grep > org/apache/commons/lang/ > org/apache/commons/lang/ > org/apache/commons/lang/StringUtils.class > org/apache/commons/lang/WordUtils.class > > Why are these classes bundled with hive as opposed to just using > commons-lang? If there truly is a need for custom functionality, why not > put it in a different class to avoid this collision? >