09 2021 档案

强制重启服务器后，mysql启动报错：Bind on unix socket: Permission denied
摘要：报错信息 2021-09-13 09:24:03 1788 [Note] Server socket created on IP: '0.0.0.0'. 2021-09-13 09:24:03 1788 [ERROR] Can't start server : Bind on unix socket 阅读全文
posted @ 2021-09-13 09:35 BigBender 阅读(321) 评论(0) 推荐(0) 编辑
远程连接mysql报错：The specified database user/password combination is rejected: com.mysql.cj.exceptions.CJException: Access denied for user 'root'@'ip' (using password: YES)
摘要：密码错误 使用正确的密码 权限问题 GRANT ALL PRIVILEGES ON *.* TO root@"%" IDENTIFIED BY "your password"; 别忘了刷新一下 FLUSH PRIVILEGES; 阅读全文
posted @ 2021-09-12 11:59 BigBender 阅读(1365) 评论(0) 推荐(0) 编辑
JDK1.8线程池 ThreadPoolExecutor详解
摘要：线程属性 private static final int COUNT_BITS = Integer.SIZE - 3; private static final int CAPACITY = (1 << COUNT_BITS) - 1; Integer.SIZE是32 COUNT_BITS是29 阅读全文
posted @ 2021-09-11 17:17 BigBender 阅读(222) 评论(0) 推荐(0) 编辑

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