Program: 167925
Project: 167925
Buggy source:
public NoArgDataSourceOperationHandler(String command,final String dsType,String operationName){
  super(command,true);
  this.dsType=dsType;
  this.operationName=operationName;
  profile=new ArgumentWithValue(this,new DefaultCompleter(new CandidatesProvider(){
    @Override public List<String> getAllCandidates(    CommandContext ctx){
      return Util.getNodeNames(ctx.getModelControllerClient(),null,"String_Node_Str");
    }
  }
),"String_Node_Str"){
    @Override public boolean canAppearNext(    CommandContext ctx) throws CommandFormatException {
      if (!ctx.isDomainMode()) {
        return false;
      }
      return super.canAppearNext(ctx);
    }
  }
;
  name=new ArgumentWithValue(this,new DefaultCompleter(new DefaultCompleter.CandidatesProvider(){
    @Override public List<String> getAllCandidates(    CommandContext ctx){
      ModelControllerClient client=ctx.getModelControllerClient();
      if (client == null) {
        return Collections.emptyList();
      }
      final String profileArg;
      if (!ctx.isDomainMode()) {
        profileArg=null;
      }
 else {
        profileArg=profile.getValue(ctx.getParsedArguments());
        if (profileArg == null) {
          return Collections.emptyList();
        }
      }
      return Util.getDatasources(ctx.getModelControllerClient(),profileArg,dsType);
    }
  }
),0,"String_Node_Str"){
    @Override public boolean canAppearNext(    CommandContext ctx) throws CommandFormatException {
      if (ctx.isDomainMode() && !profile.isPresent(ctx.getParsedArguments())) {
        return false;
      }
      return super.canAppearNext(ctx);
    }
  }
;
}

Fixed version (ground truth):
public NoArgDataSourceOperationHandler(String command,final String dsType,String operationName){
  super(command,true);
  this.dsType=dsType;
  this.operationName=operationName;
  profile=new ArgumentWithValue(this,new DefaultCompleter(new CandidatesProvider(){
    @Override public List<String> getAllCandidates(    CommandContext ctx){
      return Util.getNodeNames(ctx.getModelControllerClient(),null,"String_Node_Str");
    }
  }
),"String_Node_Str"){
    @Override public boolean canAppearNext(    CommandContext ctx) throws CommandFormatException {
      if (!ctx.isDomainMode()) {
        return false;
      }
      return super.canAppearNext(ctx);
    }
  }
;
  name=new ArgumentWithValue(this,new DefaultCompleter(new DefaultCompleter.CandidatesProvider(){
    @Override public List<String> getAllCandidates(    CommandContext ctx){
      NewModelControllerClient client=ctx.getModelControllerClient();
      if (client == null) {
        return Collections.emptyList();
      }
      final String profileArg;
      if (!ctx.isDomainMode()) {
        profileArg=null;
      }
 else {
        profileArg=profile.getValue(ctx.getParsedArguments());
        if (profileArg == null) {
          return Collections.emptyList();
        }
      }
      return Util.getDatasources(ctx.getModelControllerClient(),profileArg,dsType);
    }
  }
),0,"String_Node_Str"){
    @Override public boolean canAppearNext(    CommandContext ctx) throws CommandFormatException {
      if (ctx.isDomainMode() && !profile.isPresent(ctx.getParsedArguments())) {
        return false;
      }
      return super.canAppearNext(ctx);
    }
  }
;
}