Hey Jim, I got the same error the other day. Moving to Java8 solved it for me.
Gabor On Thu, Apr 26, 2018 at 6:37 PM, Philip Zeyliger <phi...@cloudera.com> wrote: > Hi Jim, > > Are you using JDK7? Hadoop3 supports only JDK8+. > > -- Philip > > On Thu, Apr 26, 2018 at 9:35 AM, Jim Apple <jbap...@cloudera.com> wrote: > > > testdata/bin/run-all.sh fails for me with the following error > > > > Exception in thread "main" java.lang.UnsupportedClassVersionError: > > org/apache/hadoop/hdfs/server/namenode/NameNode : Unsupported > major.minor > > version 52.0 > > > > This is at gerrit HEAD, at tree hash > > > > 6e88e1b26423badb4012506c10a98f32f600dbdb IMPALA-6892: > > CheckHashAndDecrypt() > > includes file and host > > > > aka commit > > > > 518bcd3e148caa8b42011de11e971c2978fb6f3b > > > > This occurs even after a successful buildall.sh > > >