<yinweijian>-优快云博客

原创 fastjson、redis反序列字段不存在

ObjectMapper om = new ObjectMapper();om.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);

2023-08-07 10:12:42 214

原创 Spring事务提交后再执行其他操作

TransactionSynchronizationManager.registerSynchronization(new TransactionSynchronizationAdapter() { @Override public void afterCommit() { System.out.println("事务提交后的操作。。。"); }});

2021-06-17 14:32:46 1450

#!/bin/bash# stop serviceService=xxxxxxxx.jarPID=`ps -ef | grep ${Service} | grep -v grep | awk '{print $2}'`if [[ -n "${PID}" ]];then echo "kill pid:${PID}" kill -9 ${PID}fisleep 2s# start servicenohup java -jar /home/1/jar/${Service} &gt.

2021-03-11 20:28:36 683

原创 logstash-logback-encoder

纯手记，路过请绕道https://github.com/logstash/logstash-logback-encoder<dependency> <groupId>net.logstash.logback</groupId> <artifactId>logstash-logback-encoder</artifactId> <version>6.6&lt

2021-02-04 17:32:54 3846 1

原创 elasticsearch 7.x集群

路过cluster.name: es-clusternode.name: es-node-01node.master: truenode.data: truehttp.cors.enabled : true http.cors.allow-o...

2021-01-24 19:02:01 144

原创 GIT删除远程

有点意思git push origin :refs/heads/xxx-branchgit push origin :refs/tags/xxx-tag

2021-01-15 17:05:30 174

原创 Java 时间段交集判断

s1 <= e2 and s2 <= e1

2021-01-12 15:27:19 512

原创 mybatis ＜![CDATA[ ＜= ]]＞

<![CDATA[ <= ]]>

2021-01-12 10:40:01 909 6

原创 JVM的活

纯手记，请绕道一、CPU高执行 top 得到cpu高的pid top -Hp pid 得 id printf "%x\n"id 得到 16进制 jstack pid | grep 0x16进制 -A 100 或jstack pid | grep 16进制-A 100 ok------------------------------输出 jstack -lPID >> log.txt二、内存占用高获取堆信息： jmap -dump:format=b...

2021-01-05 17:27:58 136

原创 shell动态日期时间脚本

$(cd "$(dirname "$0")";pwd)-$(date +%F-%H-%M)

2021-01-05 09:39:15 581

原创 mat通过脚本分析大的dump文件

Java 启动命令加上：-XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=xxx.dump当得到xxx.dump下载MAT：https://www.eclipse.org/mat/archive.php执行：ParseHeapDump.sh xxx.dump org.eclipse.mat.api:suspects org.eclipse.mat.api:overview org.eclipse.mat.api:top_compon

2021-01-05 09:23:12 318

原创 rocketmq broker配置整理

参考：http://huhanlin.com/2020/01/19/rocketmq-broker-%E9%85%8D%E7%BD%AE/https://blog.youkuaiyun.com/qq_32020035/article/details/81834903#所属集群名字brokerClusterName=rocketmq-cluster#broker名字，注意此处不同的配置文件填写的不一样brokerName=broker-a#0 表示 Master，>0 表示 Slavebro

2020-12-31 10:01:50 990

原创 filebeat自定义elasticsearch索引

filebeat.inputs:- type: log enabled: true fields: type: "info" paths: - D:\ideaWorkspace\demo\info\*.log multiline.pattern: ^[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2} multiline.negate: true multiline.match: after- type: .

2020-12-14 18:14:51 1092 2

原创记一个JVM教程地址

http://www.mstacks.com/131/index.html

2020-12-07 17:44:52 137

原创记一个Redis可视化客户端工具

https://github.com/caoxinyu/RedisClient

2020-11-30 18:24:43 116

原创 elasticsearch7.x 手记

纯手记，请绕道Nested修改部分字段POST hellov1/_update/1{ "script": { "lang": "painless", "source": """ for (x in ctx._source.helloSonESList) { if (x.name == "son11") { x.name = "son11111"; } ..

2020-11-24 17:01:28 181

转载 JDK8 JVM 参数配置实战（转）

转https://blog.youkuaiyun.com/x734400146/article/details/107952410su - tomcat -c 'nohup java -Dserver.port=6016 -server -Xms1024M -Xmx1024M -XX:MetaspaceSize=128M -XX:MaxMetaspaceSize=256M -Xss512k -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -Xloggc:/server/appli.

2020-11-18 09:11:18 201

原创使用nacos时，优先使用本地配置

在nacos配置中加入spring: cloud: config: # 相同配置，本地优先 override-none: true

2020-11-11 09:36:42 9422

原创 spring boot application配置参照

地址：https://docs.spring.io/spring-boot/docs/current/reference/html/appendix-application-properties.html

2020-11-05 11:23:53 103

原创 Mycat分库分表迁移笔记(不做解释)

纯笔记，不翻译，请绕道。。。官网：http://www.mycat.org.cn/环境：linux、java8安装：一、下载地址：http://dl.mycat.org.cn/1.6.7.6/Mycat-server-1.6.7.6-release-20201102172919-unix.tar.gz二、解压，位置：/usr/local/Mycat三、授权1、执行：vi /etc/profile2、结束加入：MYCAT_HOME=/usr/local/Mycat

2020-11-03 17:35:32 264

原创 seata1.3 + nacos

一、准备文件1、nacos，网址：https://github.com/alibaba/nacos/releases， nacos不做笔记记录2、seata1.3，网址：https://github.com/seata/seata/releases3、seata数据库，网址：https://github.com/seata/seata/tree/develop/script/server/db，使用mysql.sql4、seata额外配置文件1：config.txt，网址：https...

2020-11-03 11:40:56 892 2

原创一致性Hash各种网址

记录记录https://blog.youkuaiyun.com/u011305680/article/details/79721030

2020-11-02 09:16:08 120

原创记录一个Idea热部署插件jrebel

https://jrebel.qekang.com/

2020-10-30 09:59:07 106

原创 Nginx通过URL跳转端口

如: http://xxx.com/api/hello 跳转到内网 http://127.0.01:8888/hellolocation ^~/api/ { proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; .

2020-10-12 11:10:31 2819

转载 Docker部署笔记

纯手记,无解释!!!部署redis配置文件地址http://download.redis.io/redis-stable/redis.conf语法docker run -itd -p 6379:6379 --name redis-test \-v /usr/local/docker/redis.conf:/etc/redis/redis.conf \-v /usr/local/docker/data:/data \redis redis-server /etc/redis.

2020-10-09 11:01:37 667

原创 JDK8下载 JDK下载

JDK下载地址https://www.oracle.com/java/technologies/oracle-java-archive-downloads.html

2020-09-21 09:31:12 228

原创 GateWay Filter Not Pass

随手机public Mono<Void> notPass(ServerHttpResponse serverHttpResponse) { serverHttpResponse.setStatusCode(HttpStatus.UNAUTHORIZED); serverHttpResponse.getHeaders().add("Content-Type", "application/json;charset=UTF-8"); String resString.

2020-09-18 09:42:52 191

转载 redis 布隆过滤器

转https://juejin.im/post/5d9c57485188257377312f0chttps://blog.youkuaiyun.com/Carty090616/article/details/89086650

2020-06-20 09:22:18 163

原创 Maven pom.xml 私服简单配置

纯笔记上传<distributionManagement> <repository> <id>nexus</id> <name>Nexus Release Repository</name> <url>http://admin:12345678@localhost:8081/repository/maven-releases/&

2020-06-02 16:31:41 3321 2

原创 pt-query-digest

纯手记普通查询pt-query-digest /var/lib/mysql/localhost-slow.log > slow0.log一个小时内pt-query-digest --since=1h /var/lib/mysql/localhost-slow.log > slow0.log时间范围pt-query-digest --since '2020-05-18 00:00:00' --until '2020-05-20 00:00:00' /var..

2020-05-18 16:45:32 172

转载（转）耗时3周！7000+字的Spring事务总结来啦！

转地公众号 Java Guide /耗时3周！https://mp.weixin.qq.com/s/xFnVBqcVNRFQfHyd03iWcg

2020-05-13 14:15:17 209

原创 java多线程顺序打印ABC多种方式

纯手记目录纯手记1.ReentrantLock2.Synchronized3.Semaphore结束1.ReentrantLockpackage com.company.demo16;import java.util.concurrent.TimeUnit;import java.util.concurrent.locks.Condition;import...

2020-05-05 15:26:14 606

原创 java获取指定范围的随机数

int start,int endint xxx = ThreadLocalRandom.current().nextInt(start, end + 1)

2020-04-22 14:49:50 3603

原创 elasticsearch时间LocalDateTime处理

import com.fasterxml.jackson.databind.DeserializationFeature;import com.fasterxml.jackson.databind.ObjectMapper;import com.fasterxml.jackson.databind.SerializationFeature;import com.fasterxml.jac...

2020-04-20 18:12:45 4311

原创阿里云maven仓库

https://maven.aliyun.com/mvn/viewsettings.xml<mirror> <id>nexus-aliyun</id> <mirrorOf>central</mirrorOf> <name>Nexus aliyun</name> ...

2020-04-19 20:49:24 293

原创 java 8 groupingBy + List to Map

纯手记package com.company.demo0.demo0;import java.math.BigDecimal;import java.util.ArrayList;import java.util.Comparator;import java.util.List;import java.util.Map;import java.util.Optional;im...

2020-03-29 16:19:49 2140

原创 SimpleRabbitListenerContainerFactory

标记https://docs.spring.io/spring-amqp/docs/current/api/org/springframework/amqp/rabbit/annotation/EnableRabbit.html

2020-03-26 21:30:17 13266

原创查数据库的每个表数据大小

SELECT TABLE_NAME, DATA_LENGTH, INDEX_LENGTH, ( DATA_LENGTH + INDEX_LENGTH ) AS length, TABLE_ROWS, concat( round( ( DATA_LENGTH + INDEX_LENGTH ) / 1024 / 1024, 3 ), 'MB' ) AS ...

2020-03-19 11:36:46 916

原创 Spring Cloud Gateway鉴权或获取requestBody内容

参考官方的：ModifyRequestBodyGatewayFilterFactory.javaimport org.springframework.cloud.gateway.filter.GatewayFilterChain;import org.springframework.cloud.gateway.filter.GlobalFilter;import org.springfr...

2020-02-20 15:12:57 1628 2