builder.withGroup("foo")
.withDefaultCommand(SomeCommand.class) // <--- NPE if this line is missing
.withCommands(SomeCommand.class);
Exception in thread "main" java.lang.NullPointerException
at io.airlift.command.model.MetadataLoader.loadCommand(MetadataLoader.java:79)
at io.airlift.command.Cli$1.apply(Cli.java:83)
at io.airlift.command.Cli$1.apply(Cli.java:80)
at com.google.common.collect.Iterators$8.transform(Iterators.java:860)
at com.google.common.collect.TransformedIterator.next(TransformedIterator.java:48)
at com.google.common.collect.ImmutableList.copyOf(ImmutableList.java:266)
at com.google.common.collect.ImmutableList.copyOf(ImmutableList.java:223)
at io.airlift.command.Cli.<init>(Cli.java:79)
at io.airlift.command.Cli.<init>(Cli.java:40)
at io.airlift.command.Cli$CliBuilder.build(Cli.java:243)