Haven’t looked into this in details, but we bumped commons-configuration version in Hadoop 3.0 alpha2 in HADOOP-13660 (Upgrade commons-configuration version)
Pretty sure some APIs were changed in between. I’ll look into this and file a jira if this is a real issue. Thanks! Wei-Chiu Chuang A very happy Clouderan > On Feb 23, 2017, at 12:31 PM, Pol, Daniel (BigData) <daniel....@hpe.com> > wrote: > > java.lang.AbstractMethodError
