文章目录
Seata 高可用版本Demo
背景
Seata 官方文档： Seata 官方文档
Github 官方库：Seata
Github 官方Sample库： Seata-Samples
版本选择参考： 毕业版本依赖关系推荐使用
Nacos Version ： 2.1.0 Nacos 2.1.0
Seata Version : 1.5.1 Seata 1.5.1
服务端搭建
安装
下载1.5.1 zip包到本地，解压即可。
本地file 版本
默认为本地file版本，就不做介绍了。
Nacos 配置中心 + Nacos 注册中心 + Mysql 版本 （高可用版本）
Nacos 的搭建略过。
创建 Seata Server端的MySql运行库
-- -------------------------------- 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(32),
`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_and_branch_id` (`xid` , `branch_id`)
) 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);
修改 Seata Server端配置
修改配置中心为Nacos
- 访问Nacos的控制面板，增加相关的配置信息
1、增加seata-server-dev 命名空间
2、增加seataServer.yml 的配置，配置内容为
store:
# support: file 、 db 、 redis
mode: db
session:
mode: db
lock:
mode: db
db:
datasource: druid
dbType: mysql
driverClassName: com.mysql.jdbc.Driver
url: jdbc:mysql://127.0.0.1:3306/seata?rewriteBatchedStatements=true
user: root
password: root
minConn: 5
maxConn: 100
globalTable: global_table
branchTable: branch_table
lockTable: lock_table
distributedLockTable: distributed_lock
queryLimit: 100
maxWait: 5000
注意：
配置项请严格按照以上配置样例进行配置，Seata的配置加载对于Nacos的配置内容并没有做命名风格的适配。详情可以查看Seata的源码io.seata.common.ConfigurationKeys类中的常量。
- 修改
seata\conf\application.yml配置文件
1、修改seata.config.type为nacos
2、修改nacos的配置
最终相关的配置内容如下：
seata:
config:
# support: file 、 nacos 、 consul 、 apollo 、 zk 、 etcd3
type: nacos
nacos:
server-addr: 127.0.0.1:8848
namespace: seata-server-dev
group: SEATA_GROUP
username: nacos
password: nacos
##if use MSE Nacos with auth, mutex with username/password attribute
#access-key: ""
#secret-key: ""
data-id: seataServer.yml
修改注册中心为Nacos
- 修改
seata\conf\application.yml配置文件
1、修改seata.registry.type为nacos
2、修改nacos的配置
最终相关的配置内容如下：
seata:
registry:
# support: file 、 nacos 、 eureka 、 redis 、 zk 、 consul 、 etcd3 、 sofa
type: nacos
#preferred-networks: 30.240.*
nacos:
application: seata-server
server-addr: 127.0.0.1:8848
group: SEATA_GROUP
namespace: seata-server-dev
cluster: default
username: nacos
password: nacos
##if use MSE Nacos with auth, mutex with username/password attribute
#access-key: ""
#secret-key: ""
启动 Seata Server
双击运行seata\bin\seata-server.bat ，启动Seata 服务端。
默认控制台端口为7091，默认的服务注册端口为8091
Seata控制台:
Nacos控制台：
- 配置监听
- 服务注册
运行 客户端 demo
部署 Demo项目
- 下载项目到本地： seata-samples
- 导入项目到IDEA，选择
springboot-dubbo-seata模块测试demo - 修改
pom.xml,关闭dubbo模块，开启springboot-dubbo-seata模块
<modules>
<!-- <module>dubbo</module>-->
<!-- <module>springboot</module> -->
<!-- <module>nacos</module> -->
<module>springboot-dubbo-seata</module>
<!-- <module>tcc</module> -->
<!-- <module>springcloud-jpa-seata</module> -->
<!-- <module>nutzboot-dubbo-fescar</module> -->
<!-- <module>ha</module> -->
<!-- <module>springcloud-eureka-seata</module> -->
<!-- <module>multiple-datasource</module> -->
<!-- <module>springboot-mybatis</module> -->
<!-- <module>springcloud-nacos-seata</module> -->
<!-- <module>api</module> -->
<!-- <module>springboot-shardingsphere-seata</module> -->
<!-- <module>multiple-datasource-mybatis-plus</module> -->
<!-- <module>saga</module> -->
<!-- <module>spring-cloud-alibaba-samples</module> -->
<!-- <module>seata-spring-boot-starter-samples</module> -->
<!-- <module>springboot-dubbo-seata-zk</module> -->
<!-- <module>seata-xa</module> -->
<!-- <module>seata-samples-jit</module> -->
<!-- <module>springcloud-seata-sharding-jdbc-mybatis-plus-samples</module> -->
</modules>
- 修改
springboot-dubbo-seata/pom.xml文件，修改Seata的版本号为1.5.1
<seata.version>1.5.1</seata.version>
- 导入
springboot-dubbo-seata/sql/db_seata.sql到数据库
/*
Navicat MySQL Data Transfer
Source Server : account
Source Server Version : 50614
Source Host : localhost:3306
Source Database : db_gts_fescar
Target Server Type : MYSQL
Target Server Version : 50614
File Encoding : 65001
Date: 2019-01-26 10:23:10
*/
SET
FOREIGN_KEY_CHECKS=0;
-- ----------------------------
-- Table structure for t_account
-- ----------------------------
DROP TABLE IF EXISTS `t_account`;
CREATE TABLE `t_account`
(
`id` int(11) NOT NULL AUTO_INCREMENT,
`user_id` varchar(255) DEFAULT NULL,
`amount` double(14, 2
) DEFAULT '0.00',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;
-- ----------------------------
-- Records of t_account
-- ----------------------------
INSERT INTO `t_account`
VALUES ('1', '1', '4000.00');
-- ----------------------------
-- Table structure for t_order
-- ----------------------------
DROP TABLE IF EXISTS `t_order`;
CREATE TABLE `t_order`
(
`id` int(11) NOT NULL AUTO_INCREMENT,
`order_no` varchar(255) DEFAULT NULL,
`user_id` varchar(255) DEFAULT NULL,
`commodity_code` varchar(255) DEFAULT NULL,
`count` int(11) DEFAULT '0',
`amount` double(14, 2
) DEFAULT '0.00',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=64 DEFAULT CHARSET=utf8;
-- ----------------------------
-- Records of t_order
-- ----------------------------
-- ----------------------------
-- Table structure for t_stock
-- ----------------------------
DROP TABLE IF EXISTS `t_stock`;
CREATE TABLE `t_stock`
(
`id` int(11) NOT NULL AUTO_INCREMENT,
`commodity_code` varchar(255) DEFAULT NULL,
`name` varchar(255) DEFAULT NULL,
`count` int(11) DEFAULT '0',
PRIMARY KEY (`id`),
UNIQUE KEY `commodity_code` (`commodity_code`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;
-- ----------------------------
-- Records of t_stock
-- ----------------------------
INSERT INTO `t_stock`
VALUES ('1', 'C201901140001', '水杯', '1000');
-- ----------------------------
-- Table structure for undo_log
-- 注意此处0.3.0+ 增加唯一索引 ux_undo_log
-- ----------------------------
DROP TABLE IF EXISTS `undo_log`;
CREATE TABLE `undo_log`
(
`id` bigint(20) NOT NULL AUTO_INCREMENT,
`branch_id` bigint(20) NOT NULL,
`xid` varchar(100) NOT NULL,
`context` varchar(128) NOT NULL,
`rollback_info` longblob NOT NULL,
`log_status` int(11) NOT NULL,
`log_created` datetime NOT NULL,
`log_modified` datetime NOT NULL,
PRIMARY KEY (`id`),
UNIQUE KEY `ux_undo_log` (`xid`,`branch_id`)
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;
-- ----------------------------
-- Records of undo_log
-- ----------------------------
SET
FOREIGN_KEY_CHECKS=1;
本地file 版本
模版为本地文件版本，略过
Nacos + Seata 高可用版本
配置dubbo的注册中心和Spring Cloud的Nacos的发现中心
修改各子模块的配置文件application.properties，配置dubbo的注册中心和Spring Cloud的Nacos的发现中心，以及数据源配置。
samples-account模块
server.port=8102
spring.application.name=dubbo-account-example
#====================================Dubbo config===============================================
dubbo.application.id=dubbo-account-example
dubbo.application.name=dubbo-account-example
dubbo.protocol.id=dubbo
dubbo.protocol.name=dubbo
dubbo.registry.id=dubbo-account-example-registry
dubbo.registry.address=nacos://127.0.0.1:8848
dubbo.protocol.port=20880
dubbo.application.qosEnable=false
#===================================registry config==========================================
#Nacos\u6CE8\u518C\u4E2D\u5FC3
spring.cloud.nacos.discovery.server-addr=127.0.0.1:8848
management.endpoints.web.exposure.include=*
#====================================mysql config============================================
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.url=jdbc:mysql://127.0.0.1:3306/seatatest?useSSL=false&useUnicode=true&characterEncoding=utf-8&allowMultiQueries=true
spring.datasource.username=root
spring.datasource.password=root
#=====================================mybatis config======================================
mybatis.mapper-locations=classpath*:/mapper/*.xml
samples-order模块
server.port=8101
spring.application.name=dubbo-order-example
#====================================Dubbo config===============================================
dubbo.application.id=dubbo-order-example
dubbo.application.name=dubbo-order-example
dubbo.protocol.id=dubbo
dubbo.protocol.name=dubbo
dubbo.registry.id=dubbo-order-example-registry
dubbo.registry.address=nacos://127.0.0.1:8848
dubbo.protocol.port=20881
dubbo.application.qosEnable=false
#===================================registry config==========================================
#Nacos\u6CE8\u518C\u4E2D\u5FC3
spring.cloud.nacos.discovery.server-addr=127.0.0.1:8848
management.endpoints.web.exposure.include=*
#====================================mysql =============================================
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.url=jdbc:mysql://127.0.0.1:3306/seatatest?useSSL=false&useUnicode=true&characterEncoding=utf-8&allowMultiQueries=true
spring.datasource.username=root
spring.datasource.password=root
#=====================================mybatis\u914D\u7F6E======================================
mybatis.mapper-locations=classpath*:/mapper/*.xml
samples-stock模块
server.port=8100
spring.application.name=dubbo-stock-example
#====================================Dubbo config===============================================
dubbo.application.id=dubbo-stock-example
dubbo.application.name=dubbo-stock-example
dubbo.protocol.id=dubbo
dubbo.protocol.name=dubbo
dubbo.registry.id=dubbo-stock-example-registry
dubbo.registry.address=nacos://127.0.0.1:8848
dubbo.protocol.port=20882
dubbo.application.qosEnable=false
#===================================registry config==========================================
#Nacos\u6CE8\u518C\u4E2D\u5FC3
spring.cloud.nacos.discovery.server-addr=127.0.0.1:8848
management.endpoints.web.exposure.include=*
#====================================mysql config===========================================
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.url=jdbc:mysql://127.0.0.1:3306/seatatest?useSSL=false&useUnicode=true&characterEncoding=utf-8&allowMultiQueries=true
spring.datasource.username=root
spring.datasource.password=root
#=====================================mybatis config======================================
mybatis.mapper-locations=classpath*:/mapper/*.xml
samples-business模块
server.port=8104
spring.application.name=dubbo-business-example
#============================dubbo config==============================================
dubbo.application.id=dubbo-business-example
dubbo.application.name=dubbo-business-example
dubbo.protocol.id=dubbo
dubbo.protocol.name=dubbo
dubbo.protocol.port=10001
dubbo.registry.id=dubbo-business-example-registry
dubbo.registry.address=nacos://127.0.0.1:8848
dubbo.provider.version=1.0.0
dubbo.application.qosEnable=false
#==================================nacos==============================================
spring.cloud.nacos.discovery.server-addr=127.0.0.1:8848
management.endpoints.web.exposure.include=*
修改各模块的SeataAutoConfig.java ，将默认的事务分组名称修改为default_tx_group
Seata 1.5.1 版本以后的默认的事务分组名称由原先的my_test_tx_group 修改为default_tx_group，因此在初始化GlobalTransactionScanner 时，需要修改传入的事务分组的参数名称。
同时Nacos的配置默认也为default_tx_group
相关代码
@Bean
public GlobalTransactionScanner globalTransactionScanner() {
return new GlobalTransactionScanner("order-gts-seata-example", "default_tx_group");
}
修改各模块的registry.conf 配置文件 吗，配置Nacos为注册中心和配置中心
registry {
# file 、nacos 、eureka、redis、zk、consul、etcd3、sofa
type = "nacos"
nacos {
application = "seata-server"
serverAddr = "127.0.0.1:8848"
group = "SEATA_GROUP"
cluster = "default"
namespace = "seata-server-dev"
username = "nacos"
password = "nacos"
}
}
config {
# file、nacos 、apollo、zk、consul、etcd3、springCloudConfig
type = "nacos"
nacos {
serverAddr = "127.0.0.1:8848"
namespace = "seata-client-dev"
group = "SEATA_GROUP"
username = "nacos"
password = "nacos"
}
}
上传 Seata 客户端配置到Nacos
参考附录：上传 Seata 客户端配置到Nacos
上传成功之后就可以删除每个模块里的file.conf 文件了。
启动demo
依次启动每个模块，如果启动失败，可以执行下重构项目再启动，实测demo本身是可以正常启动的。
测试
使用能模拟发送HTTP请求的测试工具测试以下请求：
POST http://localhost:8104/business/dubbo/buy
{
"userId": "1",
"commodityCode": "C201901140001",
"name": "水杯",
"count": 1,
"amount": 100
}
测试正常提交
不做任何修改，发送请求后就能看到正常提交日志。
samples-business模块
2022-07-11 17:33:52.129 INFO 33772 --- [nio-8104-exec-8] i.s.s.i.c.controller.BusinessController : 请求参数：BusinessDTO(userId=1, commodityCode=C201901140001, name=水杯, count=1, amount=100)
2022-07-11 17:33:52.168 INFO 33772 --- [nio-8104-exec-8] i.seata.tm.api.DefaultGlobalTransaction : Begin new global transaction [188.188.188.11:8091:6980862426907865301]
开始全局事务，XID = 188.188.188.11:8091:6980862426907865301
2022-07-11 17:33:53.036 INFO 33772 --- [nio-8104-exec-8] i.seata.tm.api.DefaultGlobalTransaction : Suspending current transaction, xid = 188.188.188.11:8091:6980862426907865301
2022-07-11 17:33:53.036 INFO 33772 --- [nio-8104-exec-8] i.seata.tm.api.DefaultGlobalTransaction : [188.188.188.11:8091:6980862426907865301] commit status: Committed
2022-07-11 17:34:16.347 INFO 33772 --- [eoutChecker_2_1] i.s.c.r.netty.NettyClientChannelManager : will connect to 188.188.188.11:8091
2022-07-11 17:34:16.348 INFO 33772 --- [eoutChecker_2_1] i.s.core.rpc.netty.NettyPoolableFactory : NettyPool create channel to transactionRole:RMROLE,address:188.188.188.11:8091,msg:< RegisterRMRequest{resourceIds='null', applicationId='dubbo-gts-seata-example', transactionServiceGroup='default_tx_group'} >
2022-07-11 17:34:16.355 INFO 33772 --- [eoutChecker_2_1] i.s.c.rpc.netty.RmNettyRemotingClient : register RM success. client version:1.5.1, server version:1.5.1,channel:[id: 0xc4082ce7, L:/188.188.188.11:51803 - R:/188.188.188.11:8091]
2022-07-11 17:34:16.356 INFO 33772 --- [eoutChecker_2_1] i.s.core.rpc.netty.NettyPoolableFactory : register success, cost 5 ms, version:1.5.1,role:RMROLE,channel:[id: 0xc4082ce7, L:/188.188.188.11:51803 - R:/188.188.188.11:8091]
samples-stock模块
全局事务id ：188.188.188.11:8091:6980862426907865301
2022-07-11 17:33:53.794 INFO 27916 --- [ch_RMROLE_1_7_8] i.s.c.r.p.c.RmBranchCommitProcessor : rm client handle branch commit process:xid=188.188.188.11:8091:6980862426907865301,branchId=6980862426907865303,branchType=AT,resourceId=jdbc:mysql://127.0.0.1:3306/seatatest,applicationData={"autoCommit":false}
2022-07-11 17:33:53.794 INFO 27916 --- [ch_RMROLE_1_7_8] io.seata.rm.AbstractRMHandler : Branch committing: 188.188.188.11:8091:6980862426907865301 6980862426907865303 jdbc:mysql://127.0.0.1:3306/seatatest {"autoCommit":false}
2022-07-11 17:33:53.794 INFO 27916 --- [ch_RMROLE_1_7_8] io.seata.rm.AbstractRMHandler : Branch commit result: PhaseTwo_Committed
samples-account模块
全局事务id ：188.188.188.11:8091:6980862426907865301
2022-07-11 17:33:53.825 INFO 9940 --- [ch_RMROLE_1_1_8] i.s.c.r.p.c.RmBranchCommitProcessor : rm client handle branch commit process:xid=188.188.188.11:8091:6980862426907865301,branchId=6980862426907865305,branchType=AT,resourceId=jdbc:mysql://127.0.0.1:3306/seatatest,applicationData=null
2022-07-11 17:33:53.825 INFO 9940 --- [ch_RMROLE_1_1_8] io.seata.rm.AbstractRMHandler : Branch committing: 188.188.188.11:8091:6980862426907865301 6980862426907865305 jdbc:mysql://127.0.0.1:3306/seatatest null
2022-07-11 17:33:53.825 INFO 9940 --- [ch_RMROLE_1_1_8] io.seata.rm.AbstractRMHandler : Branch commit result: PhaseTwo_Committed
samples-order模块
全局事务id ：188.188.188.11:8091:6980862426907865301
2022-07-11 17:33:53.849 INFO 10592 --- [ch_RMROLE_1_5_8] i.s.c.r.p.c.RmBranchCommitProcessor : rm client handle branch commit process:xid=188.188.188.11:8091:6980862426907865301,branchId=6980862426907865310,branchType=AT,resourceId=jdbc:mysql://127.0.0.1:3306/seatatest,applicationData={"autoCommit":false,"skipCheckLock":true}
2022-07-11 17:33:53.849 INFO 10592 --- [ch_RMROLE_1_5_8] io.seata.rm.AbstractRMHandler : Branch committing: 188.188.188.11:8091:6980862426907865301 6980862426907865310 jdbc:mysql://127.0.0.1:3306/seatatest {"autoCommit":false,"skipCheckLock":true}
2022-07-11 17:33:53.849 INFO 10592 --- [ch_RMROLE_1_5_8] io.seata.rm.AbstractRMHandler : Branch commit result: PhaseTwo_Committed
- 服务端日志
17:33:52.131 INFO --- [ batchLoggerPrint_1_1] i.s.c.r.p.server.BatchLogHandler : timeout=300000,transactionName=dubbo-gts-seata-example,clientIp:188.188.188.11,vgroup:default_tx_group
17:33:52.166 INFO --- [verHandlerThread_1_30_500] i.s.s.coordinator.DefaultCoordinator : Begin new global transaction applicationId: dubbo-gts-seata-example,transactionServiceGroup: default_tx_group, transactionName: dubbo-gts-seata-example,timeout:300000,xid:188.188.188.11:8091:6980862426907865301
17:33:52.252 INFO --- [ batchLoggerPrint_1_1] i.s.c.r.p.server.BatchLogHandler : SeataMergeMessage xid=188.188.188.11:8091:6980862426907865301,branchType=AT,resourceId=jdbc:mysql://127.0.0.1:3306/seatatest,lockKey=t_stock:1
,clientIp:188.188.188.11,vgroup:default_tx_group
17:33:52.411 INFO --- [verHandlerThread_1_31_500] i.seata.server.coordinator.AbstractCore : Register branch successfully, xid = 188.188.188.11:8091:6980862426907865301, branchId = 6980862426907865303, resourceId = jdbc:mysql://127.0.0.1:3306/seatatest ,lockKeys = t_stock:1
17:33:52.572 INFO --- [ batchLoggerPrint_1_1] i.s.c.r.p.server.BatchLogHandler : SeataMergeMessage xid=188.188.188.11:8091:6980862426907865301,branchType=AT,resourceId=jdbc:mysql://127.0.0.1:3306/seatatest,lockKey=t_account:1
,clientIp:188.188.188.11,vgroup:default_tx_group
17:33:52.736 INFO --- [verHandlerThread_1_32_500] i.seata.server.coordinator.AbstractCore : Register branch successfully, xid = 188.188.188.11:8091:6980862426907865301, branchId = 6980862426907865305, resourceId = jdbc:mysql://127.0.0.1:3306/seatatest ,lockKeys = t_account:1
17:33:52.840 INFO --- [ batchLoggerPrint_1_1] i.s.c.r.p.server.BatchLogHandler : SeataMergeMessage xid=188.188.188.11:8091:6980862426907865301,branchType=AT,resourceId=jdbc:mysql://127.0.0.1:3306/seatatest,lockKey=t_order:104
,clientIp:188.188.188.11,vgroup:default_tx_group
17:33:52.921 INFO --- [verHandlerThread_1_33_500] i.seata.server.coordinator.AbstractCore : Register branch successfully, xid = 188.188.188.11:8091:6980862426907865301, branchId = 6980862426907865310, resourceId = jdbc:mysql://127.0.0.1:3306/seatatest ,lockKeys = t_order:104
17:33:52.969 INFO --- [ batchLoggerPrint_1_1] i.s.c.r.p.server.BatchLogHandler : xid=188.188.188.11:8091:6980862426907865301,extraData=null,clientIp:188.188.188.11,vgroup:default_tx_group
17:33:53.938 INFO --- [ AsyncCommitting_1_1] io.seata.server.coordinator.DefaultCore : Committing global transaction is successfully done, xid = 188.188.188.11:8091:6980862426907865301.
17:34:16.354 INFO --- [verHandlerThread_1_35_500] i.s.c.r.processor.server.RegRmProcessor : RM register success,message:RegisterRMRequest{resourceIds='null', applicationId='dubbo-gts-seata-example', transactionServiceGroup='default_tx_group'},channel:[id: 0x21d341a8, L:/188.188.188.11:8091 - R:/188.188.188.11:51803],client version:1.5.1
17:35:37.851 INFO --- [ RetryRollbacking_1_1] io.seata.server.coordinator.DefaultCore : Rollback global transaction successfully, xid = 188.188.188.11:8091:6980862426907865251.
17:35:53.869 INFO --- [ RetryRollbacking_1_1] io.seata.server.coordinator.DefaultCore : Rollback global transaction successfully, xid = 188.188.188.11:8091:6980862426907865275.
测试异常回滚
修改io.seata.samples.integration.call.service.BusinessServiceImpl#handleBusiness 方法的第73行到75行，将注释掉的代码放开，然后重启samples-business 模块，在重新发送前面的请求。
samples-business模块
2022-07-11 18:09:12.501 INFO 30620 --- [nio-8104-exec-1] i.s.s.i.c.controller.BusinessController : 请求参数：BusinessDTO(userId=1, commodityCode=C201901140001, name=水杯, count=1, amount=100)
2022-07-11 18:09:12.666 INFO 30620 --- [nio-8104-exec-1] io.seata.tm.TransactionManagerHolder : TransactionManager Singleton io.seata.tm.DefaultTransactionManager@7b230f8
2022-07-11 18:09:12.721 INFO 30620 --- [nio-8104-exec-1] i.seata.tm.api.DefaultGlobalTransaction : Begin new global transaction [188.188.188.11:8091:6980862426907865541]
开始全局事务，XID = 188.188.188.11:8091:6980862426907865541
2022-07-11 18:09:14.469 INFO 30620 --- [nio-8104-exec-1] i.seata.tm.api.DefaultGlobalTransaction : Suspending current transaction, xid = 188.188.188.11:8091:6980862426907865541
2022-07-11 18:09:14.469 INFO 30620 --- [nio-8104-exec-1] i.seata.tm.api.DefaultGlobalTransaction : [188.188.188.11:8091:6980862426907865541] rollback status: Rollbacked
2022-07-11 18:09:14.480 ERROR 30620 --- [nio-8104-exec-1] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.RuntimeException: 测试抛异常后，分布式事务回滚！] with root cause
java.lang.RuntimeException: 测试抛异常后，分布式事务回滚！
at io.seata.samples.integration.call.service.BusinessServiceImpl.handleBusiness(BusinessServiceImpl.java:73) ~[classes/:na]
at io.seata.samples.integration.call.service.BusinessServiceImpl$$FastClassBySpringCGLIB$$2ab3d645.invoke(<generated>) ~[classes/:na]
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-5.0.8.RELEASE.jar:5.0.8.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:746) ~[spring-aop-5.0.8.RELEASE.jar:5.0.8.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) ~[spring-aop-5.0.8.RELEASE.jar:5.0.8.RELEASE]
at io.seata.spring.annotation.GlobalTransactionalInterceptor$2.execute(GlobalTransactionalInterceptor.java:205) ~[seata-all-1.5.1.jar:1.5.1]
at io.seata.tm.api.TransactionalTemplate.execute(TransactionalTemplate.java:127) ~[seata-all-1.5.1.jar:1.5.1]
at io.seata.spring.annotation.GlobalTransactionalInterceptor.handleGlobalTransaction(GlobalTransactionalInterceptor.java:202) ~[seata-all-1.5.1.jar:1.5.1]
at io.seata.spring.annotation.GlobalTransactionalInterceptor.invoke(GlobalTransactionalInterceptor.java:172) ~[seata-all-1.5.1.jar:1.5.1]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.8.RELEASE.jar:5.0.8.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688) ~[spring-aop-5.0.8.RELEASE.jar:5.0.8.RELEASE]
at io.seata.samples.integration.call.service.BusinessServiceImpl$$EnhancerBySpringCGLIB$$1356cc55.handleBusiness(<generated>) ~[classes/:na]
at io.seata.samples.integration.call.controller.BusinessController.handleBusiness(BusinessController.java:54) ~[classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_202]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_202]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_202]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_202]
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:209) ~[spring-web-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136) ~[spring-web-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102) ~[spring-webmvc-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:891) ~[spring-webmvc-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797) ~[spring-webmvc-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:991) ~[spring-webmvc-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:925) ~[spring-webmvc-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:981) ~[spring-webmvc-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:884) ~[spring-webmvc-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:661) ~[tomcat-embed-core-8.5.37.jar:8.5.37]
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:858) ~[spring-webmvc-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) ~[tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) ~[tomcat-embed-websocket-8.5.37.jar:8.5.37]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.37.jar:8.5.37]
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.37.jar:8.5.37]
at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109) ~[spring-web-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.37.jar:8.5.37]
at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93) ~[spring-web-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.37.jar:8.5.37]
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200) ~[spring-web-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.0.12.RELEASE.jar:5.0.12.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) ~[tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) [tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) [tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) [tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) [tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) [tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) [tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) [tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) [tomcat-embed-core-8.5.37.jar:8.5.37]
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-8.5.37.jar:8.5.37]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_202]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_202]
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-8.5.37.jar:8.5.37]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_202]
2022-07-11 18:09:16.891 INFO 30620 --- [eoutChecker_2_1] i.s.c.r.netty.NettyClientChannelManager : will connect to 188.188.188.11:8091
2022-07-11 18:09:16.892 INFO 30620 --- [eoutChecker_2_1] i.s.core.rpc.netty.NettyPoolableFactory : NettyPool create channel to transactionRole:RMROLE,address:188.188.188.11:8091,msg:< RegisterRMRequest{resourceIds='null', applicationId='dubbo-gts-seata-example', transactionServiceGroup='default_tx_group'} >
2022-07-11 18:09:16.903 INFO 30620 --- [eoutChecker_2_1] i.s.c.rpc.netty.RmNettyRemotingClient : register RM success. client version:1.5.1, server version:1.5.1,channel:[id: 0xba19e32d, L:/188.188.188.11:57166 - R:/188.188.188.11:8091]
2022-07-11 18:09:16.903 INFO 30620 --- [eoutChecker_2_1] i.s.core.rpc.netty.NettyPoolableFactory : register success, cost 6 ms, version:1.5.1,role:RMROLE,channel:[id: 0xba19e32d, L:/188.188.188.11:57166 - R:/188.188.188.11:8091]
samples-stock模块
全局事务id ：188.188.188.11:8091:6980862426907865541
2022-07-11 18:09:14.298 INFO 27916 --- [ch_RMROLE_1_8_8] i.s.c.r.p.c.RmBranchRollbackProcessor : rm handle branch rollback process:xid=188.188.188.11:8091:6980862426907865541,branchId=6980862426907865544,branchType=AT,resourceId=jdbc:mysql://127.0.0.1:3306/seatatest,applicationData={"autoCommit":false}
2022-07-11 18:09:14.298 INFO 27916 --- [ch_RMROLE_1_8_8] io.seata.rm.AbstractRMHandler : Branch Rollbacking: 188.188.188.11:8091:6980862426907865541 6980862426907865544 jdbc:mysql://127.0.0.1:3306/seatatest
2022-07-11 18:09:14.403 INFO 27916 --- [ch_RMROLE_1_8_8] i.s.r.d.undo.AbstractUndoLogManager : xid 188.188.188.11:8091:6980862426907865541 branch 6980862426907865544, undo_log deleted with GlobalFinished
2022-07-11 18:09:14.420 INFO 27916 --- [ch_RMROLE_1_8_8] io.seata.rm.AbstractRMHandler : Branch Rollbacked result: PhaseTwo_Rollbacked
samples-account模块
全局事务id ：188.188.188.11:8091:6980862426907865541
2022-07-11 18:09:14.137 INFO 9940 --- [ch_RMROLE_1_2_8] i.s.c.r.p.c.RmBranchRollbackProcessor : rm handle branch rollback process:xid=188.188.188.11:8091:6980862426907865541,branchId=6980862426907865546,branchType=AT,resourceId=jdbc:mysql://127.0.0.1:3306/seatatest,applicationData=null
2022-07-11 18:09:14.137 INFO 9940 --- [ch_RMROLE_1_2_8] io.seata.rm.AbstractRMHandler : Branch Rollbacking: 188.188.188.11:8091:6980862426907865541 6980862426907865546 jdbc:mysql://127.0.0.1:3306/seatatest
2022-07-11 18:09:14.236 INFO 9940 --- [ch_RMROLE_1_2_8] i.s.r.d.undo.AbstractUndoLogManager : xid 188.188.188.11:8091:6980862426907865541 branch 6980862426907865546, undo_log deleted with GlobalFinished
2022-07-11 18:09:14.251 INFO 9940 --- [ch_RMROLE_1_2_8] io.seata.rm.AbstractRMHandler : Branch Rollbacked result: PhaseTwo_Rollbacked
samples-order模块
全局事务id ：188.188.188.11:8091:6980862426907865541
2022-07-11 18:09:13.976 INFO 10592 --- [ch_RMROLE_1_6_8] i.s.c.r.p.c.RmBranchRollbackProcessor : rm handle branch rollback process:xid=188.188.188.11:8091:6980862426907865541,branchId=6980862426907865548,branchType=AT,resourceId=jdbc:mysql://127.0.0.1:3306/seatatest,applicationData={"autoCommit":false,"skipCheckLock":true}
2022-07-11 18:09:13.976 INFO 10592 --- [ch_RMROLE_1_6_8] io.seata.rm.AbstractRMHandler : Branch Rollbacking: 188.188.188.11:8091:6980862426907865541 6980862426907865548 jdbc:mysql://127.0.0.1:3306/seatatest
2022-07-11 18:09:14.064 INFO 10592 --- [ch_RMROLE_1_6_8] i.s.r.d.undo.AbstractUndoLogManager : xid 188.188.188.11:8091:6980862426907865541 branch 6980862426907865548, undo_log deleted with GlobalFinished
2022-07-11 18:09:14.080 INFO 10592 --- [ch_RMROLE_1_6_8] io.seata.rm.AbstractRMHandler : Branch Rollbacked result: PhaseTwo_Rollbacked
- 服务端日志
18:09:12.670 INFO --- [ batchLoggerPrint_1_1] i.s.c.r.p.server.BatchLogHandler : timeout=300000,transactionName=dubbo-gts-seata-example,clientIp:188.188.188.11,vgroup:default_tx_group
18:09:12.711 INFO --- [verHandlerThread_1_36_500] i.s.s.coordinator.DefaultCoordinator : Begin new global transaction applicationId: dubbo-gts-seata-example,transactionServiceGroup: default_tx_group, transactionName: dubbo-gts-seata-example,timeout:300000,xid:188.188.188.11:8091:6980862426907865541
18:09:13.010 INFO --- [ batchLoggerPrint_1_1] i.s.c.r.p.server.BatchLogHandler : SeataMergeMessage xid=188.188.188.11:8091:6980862426907865541,branchType=AT,resourceId=jdbc:mysql://127.0.0.1:3306/seatatest,lockKey=t_stock:1
,clientIp:188.188.188.11,vgroup:default_tx_group
18:09:13.117 INFO --- [verHandlerThread_1_37_500] i.seata.server.coordinator.AbstractCore : Register branch successfully, xid = 188.188.188.11:8091:6980862426907865541, branchId = 6980862426907865544, resourceId = jdbc:mysql://127.0.0.1:3306/seatatest ,lockKeys = t_stock:1
18:09:13.388 INFO --- [ batchLoggerPrint_1_1] i.s.c.r.p.server.BatchLogHandler : SeataMergeMessage xid=188.188.188.11:8091:6980862426907865541,branchType=AT,resourceId=jdbc:mysql://127.0.0.1:3306/seatatest,lockKey=t_account:1
,clientIp:188.188.188.11,vgroup:default_tx_group
18:09:13.500 INFO --- [verHandlerThread_1_38_500] i.seata.server.coordinator.AbstractCore : Register branch successfully, xid = 188.188.188.11:8091:6980862426907865541, branchId = 6980862426907865546, resourceId = jdbc:mysql://127.0.0.1:3306/seatatest ,lockKeys = t_account:1
18:09:13.734 INFO --- [ batchLoggerPrint_1_1] i.s.c.r.p.server.BatchLogHandler : SeataMergeMessage xid=188.188.188.11:8091:6980862426907865541,branchType=AT,resourceId=jdbc:mysql://127.0.0.1:3306/seatatest,lockKey=t_order:105
,clientIp:188.188.188.11,vgroup:default_tx_group
18:09:13.836 INFO --- [verHandlerThread_1_39_500] i.seata.server.coordinator.AbstractCore : Register branch successfully, xid = 188.188.188.11:8091:6980862426907865541, branchId = 6980862426907865548, resourceId = jdbc:mysql://127.0.0.1:3306/seatatest ,lockKeys = t_order:105
18:09:13.888 INFO --- [ batchLoggerPrint_1_1] i.s.c.r.p.server.BatchLogHandler : xid=188.188.188.11:8091:6980862426907865541,extraData=null,clientIp:188.188.188.11,vgroup:default_tx_group
18:09:14.127 INFO --- [verHandlerThread_1_40_500] io.seata.server.coordinator.DefaultCore : Rollback branch transaction successfully, xid = 188.188.188.11:8091:6980862426907865541 branchId = 6980862426907865548
18:09:14.295 INFO --- [verHandlerThread_1_40_500] io.seata.server.coordinator.DefaultCore : Rollback branch transaction successfully, xid = 188.188.188.11:8091:6980862426907865541 branchId = 6980862426907865546
18:09:14.466 INFO --- [verHandlerThread_1_40_500] io.seata.server.coordinator.DefaultCore : Rollback branch transaction successfully, xid = 188.188.188.11:8091:6980862426907865541 branchId = 6980862426907865544
18:09:14.467 INFO --- [verHandlerThread_1_40_500] io.seata.server.coordinator.DefaultCore : Rollback global transaction successfully, xid = 188.188.188.11:8091:6980862426907865541.
18:09:16.901 INFO --- [verHandlerThread_1_41_500] i.s.c.r.processor.server.RegRmProcessor : RM register success,message:RegisterRMRequest{resourceIds='null', applicationId='dubbo-gts-seata-example', transactionServiceGroup='default_tx_group'},channel:[id: 0xfc55c990, L:/188.188.188.11:8091 - R:/188.188.188.11:57166],client version:1.5.1
坑点
Nacos配置只能用驼峰不能用中划线分隔的格式
Seata 加载Nacos的配置内容并没有做命名风格的适配。详情可以查看Seata的源码io.seata.common.ConfigurationKeys 类中的常量，配置的名称必须和常量定义的一致才能被加载。
不要参考Seata 服务端包里的application.example.yml 配置文件，而是要参考config.txt 文件。如果使用yml 格式的配置，记得还得修改seata.config.nacos.data-id ，保持Nacos和Seata配置格式一致，不然会识别不了。
Client端必须要有registry.conf配置文件
描述
Client端必须要有registry.conf类似的配置文件来配置客户端的注册中心和配置中心，不能直接在Spring Boot的配置文件里配置注册中和配置中心。
原因是在io.seata.config.ConfigurationFactory#load 方法使用了FileConfiguration来加载配置，
private static void load() {
String seataConfigName = System.getProperty(SYSTEM_PROPERTY_SEATA_CONFIG_NAME);
if (seataConfigName == null) {
seataConfigName = System.getenv(ENV_SEATA_CONFIG_NAME);
}
if (seataConfigName == null) {
seataConfigName = REGISTRY_CONF_DEFAULT;
}
String envValue = System.getProperty(ENV_PROPERTY_KEY);
if (envValue == null) {
envValue = System.getenv(ENV_SYSTEM_KEY);
}
//下面这个语句加载`registry.conf` 配置文件
Configuration configuration = (envValue == null) ? new FileConfiguration(seataConfigName,
false) : new FileConfiguration(seataConfigName + "-" + envValue, false);
Configuration extConfiguration = null;
try {
extConfiguration = EnhancedServiceLoader.load(ExtConfigurationProvider.class).provide(configuration);
if (LOGGER.isInfoEnabled()) {
LOGGER.info("load Configuration from :{}", extConfiguration == null ?
configuration.getClass().getSimpleName() : "Spring Configuration");
}
} catch (EnhancedServiceNotFoundException ignore) {
} catch (Exception e) {
LOGGER.error("failed to load extConfiguration:{}", e.getMessage(), e);
}
CURRENT_FILE_INSTANCE = extConfiguration == null ? configuration : extConfiguration;
}
在Server端由于引入的seata-config-core的包在ClassPath路径有一个默认的registry.conf 配置文件，而通过seat-all 方式引入的包里没有该文件，最终导致io.seata.config.ConfigurationFactory#buildConfiguration 方法无法获取seata.config.type 的配置，最终导致无法加载配置。
private static Configuration buildConfiguration() {
String configTypeName = CURRENT_FILE_INSTANCE.getConfig(
ConfigurationKeys.FILE_ROOT_CONFIG + ConfigurationKeys.FILE_CONFIG_SPLIT_CHAR
+ ConfigurationKeys.FILE_ROOT_TYPE);
if (StringUtils.isBlank(configTypeName)) {
throw new NotSupportYetException("config type can not be null");
}
ConfigType configType = ConfigType.getType(configTypeName);
Configuration extConfiguration = null;
Configuration configuration;
if (ConfigType.File == configType) {
String pathDataId = String.join(ConfigurationKeys.FILE_CONFIG_SPLIT_CHAR,
ConfigurationKeys.FILE_ROOT_CONFIG, FILE_TYPE, NAME_KEY);
String name = CURRENT_FILE_INSTANCE.getConfig(pathDataId);
configuration = new FileConfiguration(name);
try {
extConfiguration = EnhancedServiceLoader.load(ExtConfigurationProvider.class).provide(configuration);
if (LOGGER.isInfoEnabled()) {
LOGGER.info("load Configuration from :{}", extConfiguration == null ?
configuration.getClass().getSimpleName() : "Spring Configuration");
}
} catch (EnhancedServiceNotFoundException ignore) {
} catch (Exception e) {
LOGGER.error("failed to load extConfiguration:{}", e.getMessage(), e);
}
} else {
configuration = EnhancedServiceLoader
.load(ConfigurationProvider.class, Objects.requireNonNull(configType).name()).provide();
}
try {
Configuration configurationCache;
if (null != extConfiguration) {
configurationCache = ConfigurationCache.getInstance().proxy(extConfiguration);
} else {
configurationCache = ConfigurationCache.getInstance().proxy(configuration);
}
if (null != configurationCache) {
extConfiguration = configurationCache;
}
} catch (EnhancedServiceNotFoundException ignore) {
} catch (Exception e) {
LOGGER.error("failed to load configurationCacheProvider:{}", e.getMessage(), e);
}
return null == extConfiguration ? configuration : extConfiguration;
}
解决方案
不使用seat-all 方式，而使用seata-spring-autoconfigure-client 方式。
引入seata-spring-autoconfigure-client 依赖
<dependency>
<groupId>io.seata</groupId>
<artifactId>seata-spring-autoconfigure-client</artifactId>
<version>${seata.version}</version>
</dependency>
如果项目里没有spring-tx 依赖，还得引入对应版本的spring-tx
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>5.0.8.RELEASE</version>
<scope>compile</scope>
<exclusions>
<exclusion>
<artifactId>jcl-over-slf4j</artifactId>
<groupId>org.slf4j</groupId>
</exclusion>
</exclusions>
</dependency>
操作完之后，就可以在Spring Boot的配置文件中配置Seata的注册中心和配置中心了。
seata.config.type=nacos
seata.config.nacos.namespace=seata-client-dev
seata.config.nacos.server-addr=127.0.0.1:8848
seata.config.nacos.group=SEATA_GROUP
seata.config.nacos.username=nacos
seata.config.nacos.password=nacos
##if use MSE Nacos with auth, mutex with username/password attribute
#seata.config.nacos.access-key=
#seata.config.nacos.secret-key=
#seata.config.nacos.data-id=seata.properties
#seata.config.custom.name=
seata.registry.type=nacos
seata.registry.nacos.application=seata-server
seata.registry.nacos.server-addr=127.0.0.1:8848
seata.registry.nacos.group=SEATA_GROUP
seata.registry.nacos.namespace=seata-server-dev
seata.registry.nacos.username=nacos
seata.registry.nacos.password=nacos
##if use MSE Nacos with auth, mutex with username/password attribute
#seata.registry.nacos.access-key=
#seata.registry.nacos.secret-key=
##if use Nacos naming meta-data for SLB service registry, specify nacos address pattern rules here
#seata.registry.nacos.slb-pattern=
参考
附录
上传 Seata 客户端配置到Nacos
上传Seata的配置到Nacos的Seata-client-dev命名空间
下载配置文件到本地
内容：
#For details about configuration items, see https://seata.io/zh-cn/docs/user/configurations.html
#Transport configuration, for client and server
transport.type=TCP
transport.server=NIO
transport.heartbeat=true
transport.enableTmClientBatchSendRequest=false
transport.enableRmClientBatchSendRequest=true
transport.enableTcServerBatchSendResponse=false
transport.rpcRmRequestTimeout=30000
transport.rpcTmRequestTimeout=30000
transport.rpcTcRequestTimeout=30000
transport.threadFactory.bossThreadPrefix=NettyBoss
transport.threadFactory.workerThreadPrefix=NettyServerNIOWorker
transport.threadFactory.serverExecutorThreadPrefix=NettyServerBizHandler
transport.threadFactory.shareBossWorker=false
transport.threadFactory.clientSelectorThreadPrefix=NettyClientSelector
transport.threadFactory.clientSelectorThreadSize=1
transport.threadFactory.clientWorkerThreadPrefix=NettyClientWorkerThread
transport.threadFactory.bossThreadSize=1
transport.threadFactory.workerThreadSize=default
transport.shutdown.wait=3
transport.serialization=seata
transport.compressor=none
#Transaction routing rules configuration, only for the client
service.vgroupMapping.default_tx_group=default
#If you use a registry, you can ignore it
service.default.grouplist=127.0.0.1:8091
service.enableDegrade=false
service.disableGlobalTransaction=false
#Transaction rule configuration, only for the client
client.rm.asyncCommitBufferLimit=10000
client.rm.lock.retryInterval=10
client.rm.lock.retryTimes=30
client.rm.lock.retryPolicyBranchRollbackOnConflict=true
client.rm.reportRetryCount=5
client.rm.tableMetaCheckEnable=true
client.rm.tableMetaCheckerInterval=60000
client.rm.sqlParserType=druid
client.rm.reportSuccessEnable=false
client.rm.sagaBranchRegisterEnable=false
client.rm.sagaJsonParser=fastjson
client.rm.tccActionInterceptorOrder=-2147482648
client.tm.commitRetryCount=5
client.tm.rollbackRetryCount=5
client.tm.defaultGlobalTransactionTimeout=60000
client.tm.degradeCheck=false
client.tm.degradeCheckAllowTimes=10
client.tm.degradeCheckPeriod=2000
client.tm.interceptorOrder=-2147482648
client.undo.dataValidation=true
client.undo.logSerialization=jackson
client.undo.onlyCareUpdateColumns=true
server.undo.logSaveDays=7
server.undo.logDeletePeriod=86400000
client.undo.logTable=undo_log
client.undo.compress.enable=true
client.undo.compress.type=zip
client.undo.compress.threshold=64k
#For TCC transaction mode
tcc.fence.logTableName=tcc_fence_log
tcc.fence.cleanPeriod=1h
#Log rule configuration, for client and server
log.exceptionRate=100
#Transaction storage configuration, only for the server. The file, DB, and redis configuration values are optional.
store.mode=file
store.lock.mode=file
store.session.mode=file
#Used for password encryption
store.publicKey=
#If `store.mode,store.lock.mode,store.session.mode` are not equal to `file`, you can remove the configuration block.
store.file.dir=file_store/data
store.file.maxBranchSessionSize=16384
store.file.maxGlobalSessionSize=512
store.file.fileWriteBufferCacheSize=16384
store.file.flushDiskMode=async
store.file.sessionReloadReadSize=100
#These configurations are required if the `store mode` is `db`. If `store.mode,store.lock.mode,store.session.mode` are not equal to `db`, you can remove the configuration block.
store.db.datasource=druid
store.db.dbType=mysql
store.db.driverClassName=com.mysql.jdbc.Driver
store.db.url=jdbc:mysql://127.0.0.1:3306/seata?useUnicode=true&rewriteBatchedStatements=true
store.db.user=username
store.db.password=password
store.db.minConn=5
store.db.maxConn=30
store.db.globalTable=global_table
store.db.branchTable=branch_table
store.db.distributedLockTable=distributed_lock
store.db.queryLimit=100
store.db.lockTable=lock_table
store.db.maxWait=5000
#These configurations are required if the `store mode` is `redis`. If `store.mode,store.lock.mode,store.session.mode` are not equal to `redis`, you can remove the configuration block.
store.redis.mode=single
store.redis.single.host=127.0.0.1
store.redis.single.port=6379
store.redis.sentinel.masterName=
store.redis.sentinel.sentinelHosts=
store.redis.maxConn=10
store.redis.minConn=1
store.redis.maxTotal=100
store.redis.database=0
store.redis.password=
store.redis.queryLimit=100
#Transaction rule configuration, only for the server
server.recovery.committingRetryPeriod=1000
server.recovery.asynCommittingRetryPeriod=1000
server.recovery.rollbackingRetryPeriod=1000
server.recovery.timeoutRetryPeriod=1000
server.maxCommitRetryTimeout=-1
server.maxRollbackRetryTimeout=-1
server.rollbackRetryTimeoutUnlockEnable=false
server.distributedLockExpireTime=10000
server.xaerNotaRetryTimeout=60000
server.session.branchAsyncQueueSize=5000
server.session.enableBranchAsyncRemove=false
server.enableParallelRequestHandle=false
#Metrics configuration, only for the server
metrics.enabled=false
metrics.registryType=compact
metrics.exporterList=prometheus
metrics.exporterPrometheusPort=9898
下载脚本到本地
修改 nacos-config.sh 中以下内容
原:
for line in $(cat $(dirname "$PWD")/config.txt | sed s/[[:space:]]//g); do
if [[ "$line" =~ ^"${COMMENT_START}".* ]]; then
continue
fi
count=`expr $count + 1`
key=${line%%=*}
value=${line#*=}
addConfig "${key}" "${value}"
done
为：
for line in $(cat ./config.txt | sed s/[[:space:]]//g); do
if [[ "$line" =~ ^"${COMMENT_START}".* ]]; then
continue
fi
count=`expr $count + 1`
key=${line%%=*}
value=${line#*=}
addConfig "${key}" "${value}"
done
执行上传
打开Bash
执行命令:
sh nacos-config.sh -h 127.0.0.1 -p 8848 -g SEATA_GROUP -t seata-client-dev -u nacos -w nacos
上传结果：
[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-ZmkGR5Mb-1657694349744)(./1657265269607.png)]
4个失败的原因是配置项的值为空
