Program: 20562
Project: 20562
Buggy source:
@Override public void processProperty(ISchemaType type,ISchemaProperty prop,ISerializationNode childNode,Set<String> processedTypes){
  if (this.isGeneric) {
    return;
  }
  String propName=type.getQualifiedPropertyName(prop);
  if (prop.isAttribute()) {
    propName="String_Node_Str" + propName;
  }
  try {
    JSONObject childObject=((Node)childNode).object;
    StructureType st=prop.getStructureType();
    JSONObject actualObject=null;
    if (this.isRootArray) {
      JSONObject item=null;
      JSONArray items=null;
      try {
        items=this.object.getJSONArray(ITEMS);
      }
 catch (      JSONException ex) {
        items=new JSONArray();
        this.object.put(ITEMS,items);
      }
      try {
        item=items.getJSONObject(0);
      }
 catch (      JSONException ex) {
        item=new JSONObject();
        items.put(item);
      }
      actualObject=item;
    }
 else     if (this.isRootMap) {
      JSONObject patternProperties=null;
      try {
        patternProperties=this.object.getJSONObject(PATTERN_PROPERTIES);
      }
 catch (      JSONException ex) {
        patternProperties=new JSONObject();
        this.object.put(PATTERN_PROPERTIES,patternProperties);
      }
      JSONObject property=null;
      try {
        property=patternProperties.getJSONObject(DEFAULT_REGEXP);
      }
 catch (      JSONException ex) {
        property=new JSONObject();
        property.put("String_Node_Str","String_Node_Str");
        property.put("String_Node_Str",false);
        patternProperties.put(DEFAULT_REGEXP,property);
      }
      actualObject=property;
    }
 else {
      actualObject=this.object;
    }
    actualObject.put("String_Node_Str","String_Node_Str");
    JSONObject properties=null;
    try {
      properties=actualObject.getJSONObject(PROPERTIES);
    }
 catch (    JSONException ex) {
      properties=new JSONObject();
      actualObject.put(PROPERTIES,properties);
    }
    if (st == StructureType.COLLECTION) {
      JSONObject propObject;
      try {
        propObject=properties.getJSONObject(propName);
      }
 catch (      JSONException e) {
        propObject=new JSONObject();
        propObject.put("String_Node_Str","String_Node_Str");
        propObject.put("String_Node_Str",false);
        properties.put(propName,propObject);
      }
      JSONArray items=null;
      try {
        items=propObject.getJSONArray(ITEMS);
      }
 catch (      JSONException ex) {
        items=new JSONArray();
        propObject.put(ITEMS,items);
      }
      items.put(childObject);
    }
 else     if (st == StructureType.MAP) {
      JSONObject propObject;
      try {
        propObject=properties.getJSONObject(propName);
      }
 catch (      JSONException e) {
        propObject=new JSONObject();
        propObject.put("String_Node_Str","String_Node_Str");
        propObject.put("String_Node_Str",false);
        properties.put(propName,propObject);
      }
      JSONObject patternProperties=null;
      try {
        patternProperties=propObject.getJSONObject(PATTERN_PROPERTIES);
      }
 catch (      JSONException ex) {
        patternProperties=new JSONObject();
        propObject.put(PATTERN_PROPERTIES,patternProperties);
      }
      patternProperties.put(DEFAULT_REGEXP,childObject);
    }
 else {
      properties.put(propName,childObject);
    }
  }
 catch (  JSONException e) {
    e.printStackTrace();
  }
}

Fixed version (ground truth):
@Override public void processProperty(ISchemaType type,ISchemaProperty prop,ISerializationNode childNode,Set<String> processedTypes){
  if (this.isGeneric) {
    return;
  }
  if (prop.isAttribute() && prop.getStructureType() == StructureType.MAP) {
    try {
      this.object.getJSONObject(PATTERN_PROPERTIES);
      return;
    }
 catch (    JSONException e) {
    }
    JSONObject patternProperties=new JSONObject();
    try {
      this.object.put(PATTERN_PROPERTIES,patternProperties);
      JSONObject property=new JSONObject();
      property.put("String_Node_Str","String_Node_Str");
      property.put("String_Node_Str",false);
      patternProperties.put("String_Node_Str" + DEFAULT_REGEXP,property);
    }
 catch (    JSONException e) {
    }
    return;
  }
  String propName=type.getQualifiedPropertyName(prop);
  if (prop.isAttribute()) {
    propName="String_Node_Str" + propName;
  }
  try {
    JSONObject childObject=((Node)childNode).object;
    StructureType st=prop.getStructureType();
    JSONObject actualObject=null;
    if (this.isRootArray) {
      JSONObject item=null;
      JSONArray items=null;
      try {
        items=this.object.getJSONArray(ITEMS);
      }
 catch (      JSONException ex) {
        items=new JSONArray();
        this.object.put(ITEMS,items);
      }
      try {
        item=items.getJSONObject(0);
      }
 catch (      JSONException ex) {
        item=new JSONObject();
        items.put(item);
      }
      actualObject=item;
    }
 else     if (this.isRootMap) {
      JSONObject patternProperties=null;
      try {
        patternProperties=this.object.getJSONObject(PATTERN_PROPERTIES);
      }
 catch (      JSONException ex) {
        patternProperties=new JSONObject();
        this.object.put(PATTERN_PROPERTIES,patternProperties);
      }
      JSONObject property=null;
      try {
        property=patternProperties.getJSONObject(DEFAULT_REGEXP);
      }
 catch (      JSONException ex) {
        property=new JSONObject();
        property.put("String_Node_Str","String_Node_Str");
        property.put("String_Node_Str",false);
        patternProperties.put(DEFAULT_REGEXP,property);
      }
      actualObject=property;
    }
 else {
      actualObject=this.object;
    }
    actualObject.put("String_Node_Str","String_Node_Str");
    JSONObject properties=null;
    try {
      properties=actualObject.getJSONObject(PROPERTIES);
    }
 catch (    JSONException ex) {
      properties=new JSONObject();
      actualObject.put(PROPERTIES,properties);
    }
    if (st == StructureType.COLLECTION) {
      JSONObject propObject;
      try {
        propObject=properties.getJSONObject(propName);
      }
 catch (      JSONException e) {
        propObject=new JSONObject();
        propObject.put("String_Node_Str","String_Node_Str");
        propObject.put("String_Node_Str",false);
        properties.put(propName,propObject);
      }
      JSONArray items=null;
      try {
        items=propObject.getJSONArray(ITEMS);
      }
 catch (      JSONException ex) {
        items=new JSONArray();
        propObject.put(ITEMS,items);
      }
      items.put(childObject);
    }
 else     if (st == StructureType.MAP) {
      JSONObject propObject;
      try {
        propObject=properties.getJSONObject(propName);
      }
 catch (      JSONException e) {
        propObject=new JSONObject();
        propObject.put("String_Node_Str","String_Node_Str");
        propObject.put("String_Node_Str",false);
        properties.put(propName,propObject);
      }
      JSONObject patternProperties=null;
      try {
        patternProperties=propObject.getJSONObject(PATTERN_PROPERTIES);
      }
 catch (      JSONException ex) {
        patternProperties=new JSONObject();
        propObject.put(PATTERN_PROPERTIES,patternProperties);
      }
      patternProperties.put(DEFAULT_REGEXP,childObject);
    }
 else {
      properties.put(propName,childObject);
    }
  }
 catch (  JSONException e) {
    e.printStackTrace();
  }
}