Program: 88103
Project: 88103
Buggy source:
/** 
 * Adds a word to the dictionary and makes it persistent.
 * @param word the word to add. If the word is capitalized, then the dictionary willrecognize it as a capitalized word when searched.
 * @param frequency the frequency of occurrence of the word. A frequency of 255 is consideredthe highest.
 * @TODO use a higher or float range for frequency
 */
@Override public synchronized void addWord(final String word,final int frequency){
  if (getRequiresReload())   loadDictionaryAsync();
  if (word.length() >= getMaxWordLength())   return;
  super.addWord(word,frequency);
  final ContentValues values=new ContentValues(5);
  values.put(Words.WORD,word);
  values.put(Words.FREQUENCY,frequency);
  values.put(Words.LOCALE,mLocale);
  values.put(Words.APP_ID,0);
  final ContentResolver contentResolver=getContext().getContentResolver();
  final ContentProviderClient client=contentResolver.acquireContentProviderClient(Words.CONTENT_URI);
  if (null == client)   return;
  new Thread("String_Node_Str"){
    @Override public void run(){
      try {
        final Cursor cursor=client.query(Words.CONTENT_URI,PROJECTION_ADD,"String_Node_Str",new String[]{word,mLocale},null);
        if (cursor != null && cursor.moveToFirst()) {
          final String locale=cursor.getString(cursor.getColumnIndex(Words.LOCALE));
          if (locale != null && locale.equals(mLocale.toString())) {
            final long id=cursor.getLong(cursor.getColumnIndex(Words._ID));
            final Uri uri=Uri.withAppendedPath(Words.CONTENT_URI,Long.toString(id));
            client.update(uri,values,null,null);
          }
        }
 else {
          client.insert(Words.CONTENT_URI,values);
        }
      }
 catch (      RemoteException e) {
      }
    }
  }
.start();
  setRequiresReload(false);
}

Fixed version (ground truth):
/** 
 * Adds a word to the dictionary and makes it persistent.
 * @param word the word to add. If the word is capitalized, then the dictionary willrecognize it as a capitalized word when searched.
 * @param frequency the frequency of occurrence of the word. A frequency of 255 is consideredthe highest.
 * @TODO use a higher or float range for frequency
 */
@Override public synchronized void addWord(final String word,final int frequency){
  if (getRequiresReload())   loadDictionaryAsync();
  if (word.length() >= getMaxWordLength())   return;
  super.addWord(word,frequency);
  final ContentValues values=new ContentValues(5);
  values.put(Words.WORD,word);
  values.put(Words.FREQUENCY,frequency);
  values.put(Words.LOCALE,mLocale);
  values.put(Words.APP_ID,0);
  final ContentResolver contentResolver=getContext().getContentResolver();
  final ContentProviderClient client=contentResolver.acquireContentProviderClient(Words.CONTENT_URI);
  if (null == client)   return;
  new Thread("String_Node_Str"){
    @Override public void run(){
      Cursor cursor=null;
      try {
        cursor=client.query(Words.CONTENT_URI,PROJECTION_ADD,"String_Node_Str",new String[]{word,mLocale},null);
        if (cursor != null && cursor.moveToFirst()) {
          final String locale=cursor.getString(cursor.getColumnIndex(Words.LOCALE));
          if (locale != null && locale.equals(mLocale.toString())) {
            final long id=cursor.getLong(cursor.getColumnIndex(Words._ID));
            final Uri uri=Uri.withAppendedPath(Words.CONTENT_URI,Long.toString(id));
            client.update(uri,values,null,null);
          }
        }
 else {
          client.insert(Words.CONTENT_URI,values);
        }
      }
 catch (      RemoteException e) {
      }
 finally {
        if (null != cursor)         cursor.close();
        client.release();
      }
    }
  }
.start();
  setRequiresReload(false);
}