9301d9d070c6c9b1848bb78a4d989e40c73ab3bd,presto/presto-accumulo/src/main/java/com/facebook/presto/accumulo/AccumuloClient.java,AccumuloClient,setLocalityGroups,#Map#AccumuloTable#,470

Before Change


                // We already validated this earlier, so it'll exist
                famBldr.add(new Text(table.getColumns().stream()
                        .filter(x -> x.getName().equals(col)).collect(Collectors.toList())
                        .get(0).getFamily()));
            }
            localityGroupsBldr.put(g.getKey(), famBldr.build());
        }

After Change


                // We already validated this earlier, so it'll exist
                famBldr.add(new Text(table.getColumns().stream()
                        .filter(x -> x.getName().equals(col)).collect(Collectors.toList())
                        .get(0).getFamily().get()));
            }
            localityGroupsBldr.put(g.getKey(), famBldr.build());
        }