原创 nginx windows配置
#user nobody; worker_processes 1; #error_log logs/error.log; #error_log logs/error.log notice; #error_log logs
2020-07-08 11:46:48
1
原创 查詢每月數據統計
select m.id month, IFNULL(b,0) num from ( select 1 as id union select 2 union select 3 union select 4 union select 5
2020-06-27 23:50:03
1
原创 Caused by: org.elasticsearch.transport.BindTransportException: Failed to bind to [9300-9400]
network.host: 172.28.175.40 將ip地址換成服務器的ip地址
2020-06-22 10:22:23
3
原创 /etc/sysconfig/elasticsearch: Permission denied
chmod 777 /etc/sysconfig/elasticsearch < END > 程序員NBA 一個有故事的程序員 或者加我微信1414200300一起討論java技術，有什麼問題羣裏人也可以幫你一起解決
2020-06-22 10:22:23
1
原创 linux 非root賬戶無法 java -version
安裝rpm版本的jdk rpm -ivh jdk-8u60-linux-x64.rpm bash-4.2$ java -version java version "1.8.0_60" Java(TM) SE Runtime En
2020-06-22 10:22:23
1
原创 token創建
public DsfUserTokenEntity createToken(long userId) { String token = null; DsfUserTokenEntity tokenEn
2020-06-22 10:22:23
原创 mysql 數據庫支持表情
[client] default-character-set = utf8mb4 [mysql] default-character-set = utf8mb4 [mysqld] character-set-client-hands
2020-06-22 10:22:23
原创 rabbitmq /usr/lib/rabbitmq/bin/rabbitmq-server: line 85: erl: command not found
問題描述：在使用命令/sbin/service rabbitmq-server start啓動Rabbitmq時，報： Job for rabbitmq-server.service failed because the control
2020-06-22 10:22:13
4
原创 Could not create directory /data/elasticsearch/logs
再elastic的安裝路徑下 新建data 和logs 並將權限賦予：chown -R elastic:elastic /usr/share/elasticsearch/ < END > 程序員NBA 一個有故事的程序員 或者
2020-06-22 09:48:28
3
原创 rabbitmq-------ure,rabbit,{bad_return,{{rabbit,start,[normal,[]]},{'EXIT',{{case_clause,{erro
shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory ch
2020-06-22 09:48:17
1
原创 查詢當前年的數據
select month(create_time),count(*) from tb_client_user where year (create_time) = YEAR(NOW()) group by month(create_t
2020-06-22 09:48:17
原创 no live upstreams while connecting to upstream nginx無法轉發
https://blog.csdn.net/xujiamin0022016/article/details/81676876
2020-06-22 09:48:16
3
原创 a表 存在但是b表不存在的訂單
select A.* from tb_card_bill as A where A.business_order_no not in (select B.out_trade_no from tb_card_order as B) AN
2020-05-20 15:40:13
原创 a 表存在 b表不存在的訂單
select A.* from tb_card_bill as A where A.business_order_no not in (select B.out_trade_no from tb_card_order as B whe
2020-05-20 15:40:13