Program: 28166
Project: 28166
Buggy source:
@Override public void execute(AdminCommandContext context){
  final ActionReport actionReport=context.getActionReport();
  if (payaraMicro.isClustered()) {
    List<String> targetInstanceGuids=getTargetGuids(targets);
    targetInstanceGuids.addAll(getExplicitTargetGUIDS(explicitTargets));
    if (targetInstanceGuids.isEmpty()) {
      throw new IllegalArgumentException("String_Node_Str");
    }
    if (parameters != null) {
      parameters=parseParameters(parameters);
    }
 else {
      parameters=new String[]{"String_Node_Str"};
    }
    Map<String,Future<ClusterCommandResult>> results=payaraMicro.executeClusteredASAdmin(targetInstanceGuids,command,parameters);
    if (results != null) {
      List<String> warningMessages=new ArrayList<>();
      List<String> failureMessages=new ArrayList<>();
      for (      Future<ClusterCommandResult> result : results.values()) {
        try {
          CommandResult commandResult=result.get();
switch (commandResult.getExitStatus()) {
case WARNING:
            if (actionReport.getActionExitCode() != ExitCode.FAILURE) {
              actionReport.setActionExitCode(ExitCode.WARNING);
            }
          String warningMessage=commandResult.getOutput().split("String_Node_Str")[1];
        failureMessages.add(warningMessage);
      break;
case FAILURE:
    actionReport.setActionExitCode(ExitCode.FAILURE);
  String failureMessage=commandResult.getOutput().split("String_Node_Str")[1];
failureMessages.add(failureMessage);
break;
}
}
 catch (InterruptedException|ExecutionException ex) {
actionReport.setActionExitCode(ExitCode.FAILURE);
actionReport.failure(Logger.getLogger(SendAsadminCommand.class.getName()),"String_Node_Str",ex);
}
}
switch (actionReport.getActionExitCode()) {
case SUCCESS:
actionReport.setMessage("String_Node_Str");
break;
case WARNING:
actionReport.setMessage("String_Node_Str");
for (String warningMessage : warningMessages) {
actionReport.appendMessage("String_Node_Str" + warningMessage);
}
break;
case FAILURE:
actionReport.setMessage("String_Node_Str");
for (String failureMessage : failureMessages) {
actionReport.appendMessage("String_Node_Str" + failureMessage);
}
break;
}
}
 else {
actionReport.setMessage("String_Node_Str");
actionReport.setActionExitCode(ExitCode.FAILURE);
}
}
 else {
actionReport.setMessage("String_Node_Str");
actionReport.setActionExitCode(ExitCode.FAILURE);
}
}

Fixed version (ground truth):
@Override public void execute(AdminCommandContext context){
  final ActionReport actionReport=context.getActionReport();
  if (payaraMicro.isClustered()) {
    List<String> targetInstanceGuids=getTargetGuids(targets);
    targetInstanceGuids.addAll(getExplicitTargetGUIDS(explicitTargets));
    if (targetInstanceGuids.isEmpty()) {
      throw new IllegalArgumentException("String_Node_Str");
    }
    if (parameters != null) {
      parameters=parseParameters(parameters);
    }
 else {
      parameters=new String[]{"String_Node_Str"};
    }
    Map<String,Future<ClusterCommandResult>> results=payaraMicro.executeClusteredASAdmin(targetInstanceGuids,command,parameters);
    if (results != null) {
      List<String> warningMessages=new ArrayList<>();
      List<String> failureMessages=new ArrayList<>();
      for (      Future<ClusterCommandResult> result : results.values()) {
        try {
          CommandResult commandResult=result.get();
switch (commandResult.getExitStatus()) {
case WARNING:
            if (actionReport.getActionExitCode() != ExitCode.FAILURE) {
              actionReport.setActionExitCode(ExitCode.WARNING);
            }
          failureMessages.add(processException(commandResult));
        break;
case FAILURE:
      actionReport.setActionExitCode(ExitCode.FAILURE);
    failureMessages.add(processException(commandResult));
  break;
}
}
 catch (InterruptedException|ExecutionException ex) {
actionReport.setActionExitCode(ExitCode.FAILURE);
actionReport.failure(Logger.getLogger(SendAsadminCommand.class.getName()),"String_Node_Str",ex);
}
}
switch (actionReport.getActionExitCode()) {
case SUCCESS:
actionReport.setMessage("String_Node_Str");
break;
case WARNING:
actionReport.setMessage("String_Node_Str");
for (String warningMessage : warningMessages) {
actionReport.appendMessage("String_Node_Str" + warningMessage);
}
break;
case FAILURE:
actionReport.setMessage("String_Node_Str");
for (String failureMessage : failureMessages) {
actionReport.appendMessage("String_Node_Str" + failureMessage);
}
break;
}
}
 else {
actionReport.setMessage("String_Node_Str");
actionReport.setActionExitCode(ExitCode.FAILURE);
}
}
 else {
actionReport.setMessage("String_Node_Str");
actionReport.setActionExitCode(ExitCode.FAILURE);
}
}