Program: 118241
Project: 118241
Buggy source:
@Override public ExecutionResult execute(Item item){
  ProcessType processType=getProcessType(item);
  if (getProject().getLanguage() != ECodeLanguage.JAVA || processType == null) {
    return ExecutionResult.NOTHING_TO_DO;
  }
  List<String> filterList=Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str");
  IComponentConversion correctBatchModeForDBComponents=new IComponentConversion(){
    public void transform(    NodeType node){
      ElementParameterType useExistingConnPara=ComponentUtilities.getNodeProperty(node,"String_Node_Str");
      if (useExistingConnPara == null) {
        ComponentUtilities.addNodeProperty(node,"String_Node_Str","String_Node_Str");
        ComponentUtilities.getNodeProperty(node,"String_Node_Str").setValue("String_Node_Str");
      }
      ElementParameterType elementParaType=ComponentUtilities.getNodeProperty(node,"String_Node_Str");
      if (elementParaType == null) {
        ComponentUtilities.addNodeProperty(node,"String_Node_Str","String_Node_Str");
        ComponentUtilities.getNodeProperty(node,"String_Node_Str").setValue("String_Node_Str");
      }
      if (elementParaType != null && elementParaType.getValue().equalsIgnoreCase("String_Node_Str")) {
        String batchSizeInStr=ComponentUtilities.getNodeProperty(node,"String_Node_Str").getValue();
        if (batchSizeInStr != null && !"String_Node_Str".equals(batchSizeInStr)) {
          int batchSize=Integer.valueOf(batchSizeInStr);
          if (batchSize <= 0) {
            ComponentUtilities.getNodeProperty(node,"String_Node_Str").setValue("String_Node_Str");
          }
        }
      }
    }
  }
;
  for (  String componentName : filterList) {
    IComponentFilter filter=new NameComponentFilter(componentName);
    try {
      ModifyComponentsAction.searchAndModify(item,processType,filter,Arrays.<IComponentConversion>asList(correctBatchModeForDBComponents));
    }
 catch (    PersistenceException e) {
      ExceptionHandler.process(e);
      return ExecutionResult.FAILURE;
    }
  }
  return ExecutionResult.SUCCESS_NO_ALERT;
}

Fixed version (ground truth):
@Override public ExecutionResult execute(Item item){
  ProcessType processType=getProcessType(item);
  if (getProject().getLanguage() != ECodeLanguage.JAVA || processType == null) {
    return ExecutionResult.NOTHING_TO_DO;
  }
  List<String> filterList=Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str");
  IComponentConversion correctBatchModeForDBComponents=new IComponentConversion(){
    public void transform(    NodeType node){
      ElementParameterType useExistingConnPara=ComponentUtilities.getNodeProperty(node,"String_Node_Str");
      if (useExistingConnPara == null) {
        ComponentUtilities.addNodeProperty(node,"String_Node_Str","String_Node_Str");
        ComponentUtilities.getNodeProperty(node,"String_Node_Str").setValue("String_Node_Str");
      }
      ElementParameterType elementParaType=ComponentUtilities.getNodeProperty(node,"String_Node_Str");
      if (elementParaType == null) {
        ComponentUtilities.addNodeProperty(node,"String_Node_Str","String_Node_Str");
        ComponentUtilities.getNodeProperty(node,"String_Node_Str").setValue("String_Node_Str");
      }
      if (elementParaType != null && elementParaType.getValue().equalsIgnoreCase("String_Node_Str")) {
        String batchSizeInStr=ComponentUtilities.getNodeProperty(node,"String_Node_Str").getValue();
        if (batchSizeInStr != null && !"String_Node_Str".equals(batchSizeInStr)) {
          if (batchSizeInStr.matches("String_Node_Str")) {
            int batchSize=Integer.valueOf(batchSizeInStr);
            if (batchSize <= 0) {
              ComponentUtilities.getNodeProperty(node,"String_Node_Str").setValue("String_Node_Str");
            }
          }
        }
      }
    }
  }
;
  for (  String componentName : filterList) {
    IComponentFilter filter=new NameComponentFilter(componentName);
    try {
      ModifyComponentsAction.searchAndModify(item,processType,filter,Arrays.<IComponentConversion>asList(correctBatchModeForDBComponents));
    }
 catch (    PersistenceException e) {
      ExceptionHandler.process(e);
      return ExecutionResult.FAILURE;
    }
  }
  return ExecutionResult.SUCCESS_NO_ALERT;
}