Program: 118430
Project: 118430
Buggy source:
@Override public ExecutionResult execute(Item item){
  ProcessType processType=getProcessType(item);
  final List<String> componentNames=Arrays.asList("String_Node_Str","String_Node_Str");
  final List<String> tablesToCheck=Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str");
  final List<String> fieldNames=Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str");
  IComponentFilter filter=new IComponentFilter(){
    @Override public boolean accept(    NodeType node){
      return componentNames.contains(node.getComponentName());
    }
  }
;
  try {
    ModifyComponentsAction.searchAndModify(item,processType,filter,Arrays.<IComponentConversion>asList(new IComponentConversion(){
      @Override public void transform(      NodeType node){
        String openBrStr="String_Node_Str";
        String closeBrStr="String_Node_Str";
        String openBrPattern=Pattern.quote(openBrStr);
        String closeBrPattern=Pattern.quote(closeBrStr);
        ProcessType item=(ProcessType)node.eContainer();
        for (        Object o : item.getNode()) {
          NodeType nt=(NodeType)o;
          for (          Object o1 : nt.getElementParameter()) {
            ElementParameterType t=(ElementParameterType)o1;
            if ("String_Node_Str".equals(t.getField()) && tablesToCheck.contains(t.getName())) {
              List<ElementValueType> elementValues=(List<ElementValueType>)t.getElementValue();
              for (int i=0; i < elementValues.size() - 1; i++) {
                ElementValueType nameCol=elementValues.get(i);
                String nameValue=nameCol.getValue();
                if (nameCol.getElementRef().equals("String_Node_Str") && nameValue != null && fieldNames.contains(nameValue)) {
                  ElementValueType valueCol=elementValues.get(++i);
                  String value=valueCol != null ? valueCol.getValue().trim() : null;
                  if (value != null && value.contains(openBrStr) || value.contains(closeBrStr)) {
                    String newValue=value.replaceFirst(openBrPattern,"String_Node_Str").replaceFirst(closeBrPattern,"String_Node_Str");
                    if (!value.equals(newValue)) {
                      valueCol.setValue(newValue);
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
));
    return ExecutionResult.SUCCESS_NO_ALERT;
  }
 catch (  PersistenceException e) {
    ExceptionHandler.process(e);
    return ExecutionResult.FAILURE;
  }
}

Fixed version (ground truth):
@Override public ExecutionResult execute(Item item){
  ProcessType processType=getProcessType(item);
  final List<String> componentNames=Arrays.asList("String_Node_Str","String_Node_Str");
  final String tableToCheck="String_Node_Str";
  final List<String> fieldNames=Arrays.asList("String_Node_Str","String_Node_Str","String_Node_Str");
  IComponentFilter filter=new IComponentFilter(){
    @Override public boolean accept(    NodeType node){
      return componentNames.contains(node.getComponentName());
    }
  }
;
  try {
    ModifyComponentsAction.searchAndModify(item,processType,filter,Arrays.<IComponentConversion>asList(new IComponentConversion(){
      @Override public void transform(      NodeType node){
        String openBrStr="String_Node_Str";
        String closeBrStr="String_Node_Str";
        String openBrPattern=Pattern.quote(openBrStr);
        String closeBrPattern=Pattern.quote(closeBrStr);
        ProcessType item=(ProcessType)node.eContainer();
        for (        Object o : item.getNode()) {
          NodeType nt=(NodeType)o;
          for (          Object o1 : nt.getElementParameter()) {
            ElementParameterType t=(ElementParameterType)o1;
            if ("String_Node_Str".equals(t.getField()) && tableToCheck.equals(t.getName())) {
              List<ElementValueType> elementValues=(List<ElementValueType>)t.getElementValue();
              for (int i=0; i < elementValues.size() - 1; i++) {
                ElementValueType nameCol=elementValues.get(i);
                String nameValue=nameCol.getValue();
                if (nameCol.getElementRef().equals("String_Node_Str") && nameValue != null && fieldNames.contains(nameValue)) {
                  ElementValueType valueCol=elementValues.get(++i);
                  String value=valueCol != null ? valueCol.getValue().trim() : null;
                  if (value != null && value.contains(openBrStr) || value.contains(closeBrStr)) {
                    String newValue=value.replaceFirst(openBrPattern,"String_Node_Str").replaceFirst(closeBrPattern,"String_Node_Str");
                    if (!value.equals(newValue)) {
                      valueCol.setValue(newValue);
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
));
    return ExecutionResult.SUCCESS_NO_ALERT;
  }
 catch (  PersistenceException e) {
    ExceptionHandler.process(e);
    return ExecutionResult.FAILURE;
  }
}