我是第一次来到Talend Studio。我设计了一个将数据从phpmysql转换到phpMysql本身的工作。出现以下错误:
java.net.ConnectException: connect: Address is invalid on local machine, or port is not valid on remote machine
......
Exception in component tMysqlOutput_1
java.lang.NullPointerException
at routines.system.RunStat.sendMessages(RunStat.
我第一次尝试用./manage.py rebuild_index在ubuntu上为Django建立我的solr索引,我得到了以下错误:
Removing all documents from your index because you said so.
Failed to clear Solr index: Connection to server 'http://localhost:8983/solr/update/?commit=true' timed out: HTTPConnectionPool(host='localhost
UPDATE 'module_tests' SET 'tests_content' = REPLACE('tests_content', '<a onclick=', '<a class="dic" onclick=');
当我试图在phpmysql中运行top query时,它给出了以下错误。有人能告诉我这是什么原因吗?
#1064 - You have an error in your SQL syntax; check the manual that corresponds to
我正在用Java编写一个小游戏,我想将用户分数保存到远程MySQL数据库中。我现在正在使用JDBC,并且连接已经正常工作。我可以按需要插入和阅读。不过,登录凭据现在是硬编码的:
public class DatabaseHandler {
private final String URL = "jdbc:mysql://_ip_goes_here_:3306/";
private final String DB_NAME = "db_name";
private final String USERNAME = "username&
我正在尝试使用下面的代码为我的wordpress站点添加/更新所有帖子的自定义字段值……在phpmysql中
INSERT INTO wp_postmeta (post_id, meta_key, meta_value)
SELECT ID AS post_id, 'views'
AS meta_key 'RAND(6)*20' AS meta_value
FROM wp_posts WHERE ID NOT IN
(SELECT post_id FROM wp_postmeta WHERE meta_key = 'views')
`` AND