Hive trunk depends on guava 11.0.2, same as Hadoop and Tez. Spark depends on guava 14.0.1, which we shaded guava in its assembly jar to avoid conflict for Hive on Spark(
HIVE-7387). Guava version is upgrade to 14.0.2 in Hive spark branch, which should be unnecessary and lead to guava conflicts( HIVE-8854). We should downgrade guava dependency from 14.0.1 to 11.0.2 to keep consist with Hive trunk.