Program: 14200
Project: 14200
Buggy source:
/** 
 * change the status of a single comment
 */
static void moderateComment(final int accountId,final Comment comment,final CommentStatus newStatus,final CommentActionListener actionListener){
  if (newStatus != null && newStatus.equals(CommentStatus.TRASH)) {
    deleteComment(accountId,comment,actionListener);
    return;
  }
  final Blog blog=WordPress.getBlog(accountId);
  if (blog == null || comment == null || newStatus == null || newStatus == CommentStatus.UNKNOWN) {
    if (actionListener != null)     actionListener.onActionResult(false);
    return;
  }
  final Handler handler=new Handler();
  new Thread(){
    @Override public void run(){
      XMLRPCClientInterface client=XMLRPCFactory.instantiate(blog.getUri(),blog.getHttpuser(),blog.getHttppassword());
      Map<String,String> postHash=new HashMap<String,String>();
      postHash.put("String_Node_Str",CommentStatus.toString(newStatus));
      postHash.put("String_Node_Str",comment.getCommentText());
      postHash.put("String_Node_Str",comment.getAuthorName());
      postHash.put("String_Node_Str",comment.getAuthorUrl());
      postHash.put("String_Node_Str",comment.getAuthorEmail());
      Object[] params={blog.getRemoteBlogId(),blog.getUsername(),blog.getPassword(),Long.toString(comment.commentID),postHash};
      Object result;
      try {
        result=client.call(ApiHelper.Methods.EDIT_COMMENT,params);
      }
 catch (      XMLRPCException e) {
        AppLog.e(T.COMMENTS,"String_Node_Str",e);
        result=null;
      }
catch (      IOException e) {
        AppLog.e(T.COMMENTS,"String_Node_Str",e);
        result=null;
      }
catch (      XmlPullParserException e) {
        AppLog.e(T.COMMENTS,"String_Node_Str",e);
        result=null;
      }
      final boolean success=(result != null && Boolean.parseBoolean(result.toString()));
      if (success)       CommentTable.updateCommentStatus(blog.getLocalTableBlogId(),comment.commentID,CommentStatus.toString(newStatus));
      if (actionListener != null) {
        handler.post(new Runnable(){
          @Override public void run(){
            actionListener.onActionResult(success);
          }
        }
);
      }
    }
  }
.start();
}

Fixed version (ground truth):
/** 
 * change the status of a single comment
 */
static void moderateComment(final int accountId,final Comment comment,final CommentStatus newStatus,final CommentActionListener actionListener){
  if (newStatus != null && newStatus.equals(CommentStatus.TRASH)) {
    deleteComment(accountId,comment,actionListener);
    return;
  }
  final Blog blog=WordPress.getBlog(accountId);
  if (blog == null || comment == null || newStatus == null || newStatus == CommentStatus.UNKNOWN) {
    if (actionListener != null)     actionListener.onActionResult(false);
    return;
  }
  final Handler handler=new Handler();
  new Thread(){
    @Override public void run(){
      XMLRPCClientInterface client=XMLRPCFactory.instantiate(blog.getUri(),blog.getHttpuser(),blog.getHttppassword());
      Map<String,String> postHash=new HashMap<String,String>();
      postHash.put("String_Node_Str",CommentStatus.toString(newStatus));
      postHash.put("String_Node_Str",comment.getCommentText());
      postHash.put("String_Node_Str",comment.getAuthorName());
      postHash.put("String_Node_Str",comment.getAuthorUrl());
      postHash.put("String_Node_Str",comment.getAuthorEmail());
      Object[] params={blog.getRemoteBlogId(),blog.getUsername(),blog.getPassword(),Long.toString(comment.commentID),postHash};
      Object result;
      try {
        result=client.call(Method.EDIT_COMMENT,params);
      }
 catch (      XMLRPCException e) {
        AppLog.e(T.COMMENTS,"String_Node_Str",e);
        result=null;
      }
catch (      IOException e) {
        AppLog.e(T.COMMENTS,"String_Node_Str",e);
        result=null;
      }
catch (      XmlPullParserException e) {
        AppLog.e(T.COMMENTS,"String_Node_Str",e);
        result=null;
      }
      final boolean success=(result != null && Boolean.parseBoolean(result.toString()));
      if (success)       CommentTable.updateCommentStatus(blog.getLocalTableBlogId(),comment.commentID,CommentStatus.toString(newStatus));
      if (actionListener != null) {
        handler.post(new Runnable(){
          @Override public void run(){
            actionListener.onActionResult(success);
          }
        }
);
      }
    }
  }
.start();
}