Seata 1.5.2 +mysql 5.7 +nacos2.1+ spring boot

环境准备

windows 10
docker
nacos 2.1+
mysql 5.7
spring boot 2.3.3

Seata Server

创建文件夹 seata-server 在文件夹内创建文件 docker-compose.yaml文件内容

version: "3.1"
services:
  seata-server:
    image: seataio/seata-server:1.5.2
    ports:
      - "7091:7091"
      - "8091:8091"

运行docker-compose up -d

运行完成后执行docker cp/seata-server/resources 文件拷出来。如:

docker cp <容器ID>:/seata-server/resources ./

修改拷出来的文件application.yml

创建数据库seata_server并创建表

-- -------------------------------- The script used when storeMode is 'db' --------------------------------
-- the table to store GlobalSession data
CREATE TABLE IF NOT EXISTS `global_table`
(
    `xid`                       VARCHAR(128) NOT NULL,
    `transaction_id`            BIGINT,
    `status`                    TINYINT      NOT NULL,
    `application_id`            VARCHAR(32),
    `transaction_service_group` VARCHAR(128),
    `transaction_name`          VARCHAR(128),
    `timeout`                   INT,
    `begin_time`                BIGINT,
    `application_data`          VARCHAR(2000),
    `gmt_create`                DATETIME,
    `gmt_modified`              DATETIME,
    PRIMARY KEY (`xid`),
    KEY `idx_status_gmt_modified` (`status` , `gmt_modified`),
    KEY `idx_transaction_id` (`transaction_id`)
) ENGINE = InnoDB
  DEFAULT CHARSET = utf8mb4;

-- the table to store BranchSession data
CREATE TABLE IF NOT EXISTS `branch_table`
(
    `branch_id`         BIGINT       NOT NULL,
    `xid`               VARCHAR(128) NOT NULL,
    `transaction_id`    BIGINT,
    `resource_group_id` VARCHAR(32),
    `resource_id`       VARCHAR(256),
    `branch_type`       VARCHAR(8),
    `status`            TINYINT,
    `client_id`         VARCHAR(64),
    `application_data`  VARCHAR(2000),
    `gmt_create`        DATETIME(6),
    `gmt_modified`      DATETIME(6),
    PRIMARY KEY (`branch_id`),
    KEY `idx_xid` (`xid`)
) ENGINE = InnoDB
  DEFAULT CHARSET = utf8mb4;

-- the table to store lock data
CREATE TABLE IF NOT EXISTS `lock_table`
(
    `row_key`        VARCHAR(128) NOT NULL,
    `xid`            VARCHAR(128),
    `transaction_id` BIGINT,
    `branch_id`      BIGINT       NOT NULL,
    `resource_id`    VARCHAR(256),
    `table_name`     VARCHAR(32),
    `pk`             VARCHAR(36),
    `status`         TINYINT      NOT NULL DEFAULT '0' COMMENT '0:locked ,1:rollbacking',
    `gmt_create`     DATETIME,
    `gmt_modified`   DATETIME,
    PRIMARY KEY (`row_key`),
    KEY `idx_status` (`status`),
    KEY `idx_branch_id` (`branch_id`),
    KEY `idx_xid` (`xid`)
) ENGINE = InnoDB
  DEFAULT CHARSET = utf8mb4;

CREATE TABLE IF NOT EXISTS `distributed_lock`
(
    `lock_key`       CHAR(20) NOT NULL,
    `lock_value`     VARCHAR(20) NOT NULL,
    `expire`         BIGINT,
    primary key (`lock_key`)
) ENGINE = InnoDB
  DEFAULT CHARSET = utf8mb4;

INSERT INTO `distributed_lock` (lock_key, lock_value, expire) VALUES ('AsyncCommitting', ' ', 0);
INSERT INTO `distributed_lock` (lock_key, lock_value, expire) VALUES ('RetryCommitting', ' ', 0);
INSERT INTO `distributed_lock` (lock_key, lock_value, expire) VALUES ('RetryRollbacking', ' ', 0);
INSERT INTO `distributed_lock` (lock_key, lock_value, expire) VALUES ('TxTimeoutCheck', ' ', 0);

在 nacose 创建 namespace seata-server 并在此namespace下创建Data ID seataServer.properties 内容如下:

store.mode=db
#-----db-----
store.db.datasource=druid
store.db.dbType=mysql
# 需要根据mysql的版本调整driverClassName
# mysql8及以上版本对应的driver:com.mysql.cj.jdbc.Driver
# mysql8以下版本的driver:com.mysql.jdbc.Driver
store.db.driverClassName=com.mysql.cj.jdbc.Driver
store.db.url=jdbc:mysql://127.0.0.1:3306/seata_server?useUnicode=true&characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true&useSSL=false
store.db.user= 用户名
store.db.password=密码
# 数据库初始连接数
store.db.minConn=1
# 数据库最大连接数
store.db.maxConn=20
# 获取连接时最大等待时间 默认5000,单位毫秒
store.db.maxWait=5000
# 全局事务表名 默认global_table
store.db.globalTable=global_table
# 分支事务表名 默认branch_table
store.db.branchTable=branch_table
# 全局锁表名 默认lock_table
store.db.lockTable=lock_table
# 查询全局事务一次的最大条数 默认100
store.db.queryLimit=100


# undo保留天数 默认7天,log_status=1(附录3)和未正常清理的undo
server.undo.logSaveDays=7
# undo清理线程间隔时间 默认86400000,单位毫秒
server.undo.logDeletePeriod=86400000
# 二阶段提交重试超时时长 单位ms,s,m,h,d,对应毫秒,秒,分,小时,天,默认毫秒。默认值-1表示无限重试
# 公式: timeout>=now-globalTransactionBeginTime,true表示超时则不再重试
# 注: 达到超时时间后将不会做任何重试,有数据不一致风险,除非业务自行可校准数据,否者慎用
server.maxCommitRetryTimeout=-1
# 二阶段回滚重试超时时长
server.maxRollbackRetryTimeout=-1
# 二阶段提交未完成状态全局事务重试提交线程间隔时间 默认1000,单位毫秒
server.recovery.committingRetryPeriod=1000
# 二阶段异步提交状态重试提交线程间隔时间 默认1000,单位毫秒
server.recovery.asynCommittingRetryPeriod=1000
# 二阶段回滚状态重试回滚线程间隔时间  默认1000,单位毫秒
server.recovery.rollbackingRetryPeriod=1000
# 超时状态检测重试线程间隔时间 默认1000,单位毫秒,检测出超时将全局事务置入回滚会话管理器
server.recovery.timeoutRetryPeriod=1000

执行命令docker-compose down

修改 docker-compose.yaml文件内容为:

version: "3.1"
services:
  seata-server:
    image: seataio/seata-server:1.5.2
    ports:
      - "7091:7091"
      - "8091:8091"
    environment:
      - STORE_MODE=db
      # 以SEATA_IP作为host注册seata server
      - SEATA_IP=192.168.21.88
      - SEATA_PORT=8091
    volumes:
      - "/usr/share/zoneinfo/Asia/Shanghai:/etc/localtime"        #设置系统时区
      - "/usr/share/zoneinfo/Asia/Shanghai:/etc/timezone"  #设置时区    
      - "./resources:/seata-server/resources"

执行命令docker-compose up -d 运行完成后,在 nacos 服务列表上可以看到nacose-server服务

Seata client

在 spring boot 项目 Maven 增加


    io.seata
    seata-spring-boot-starter
    1.5.2

application.yml增加

seata:
  enabled: true
  config:
    type: nacos
    nacos:
      server-addr: 192.168.21.88:8848
      group : "SEATA_GROUP"
      namespace: "seata-server"
      username: "nacos"
      password: "nacos"
  registry:
    type: nacos
    nacos:
      server-addr: 192.168.21.88:8848
      group : "SEATA_GROUP"
      namespace: "seata-server"
      username: "nacos"
      password: "nacos"

在 nacos 增加配置 Data ID:service.vgroupMapping.default_tx_group 配置格式:properties 内容default

启动项目过一会后输出

register RM success

Seata Spring Cloud

版本说明

由于版本之间有对应关系,官方推荐分开配置如:


      io.seata
      seata-spring-boot-starter
      1.5.2


      com.alibaba.cloud
      spring-cloud-starter-alibaba-seata
      当前版本
      
          
               io.seata
               seata-spring-boot-starter
         
      

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