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docker - seata 使用nacos注册中心和配置中心,集成feign-rest调用，

2022-01-21 21:30:32  阅读：224  来源： 互联网

标签：feign java seata boot nacos springframework org store


docker - seata 使用nacos注册中心和配置中心,集成feign-rest调用，

Server端使用nacos配置中心+注册中心

从v1.4.2版本开始，已支持从一个Nacos dataId中获取所有配置信息,你只需要额外添加一个dataId配置项。

docker 配置中心

在 registry.conf 中加入对应配置中心,其余配置参考

registry {
  type = "nacos"

  nacos {
    application = "seata-server"
    serverAddr = "127.0.0.1:8848"
    group = "SEATA_GROUP"
    namespace = ""
    cluster = "default"
    username = ""
    password = ""
  }
}
config {
  type = "nacos"

  nacos {
    serverAddr = "127.0.0.1:8848"
    group = "SEATA_GROUP"
    dataId: "seataServer.properties"
    namespace = ""
    username = "nacos"
    password = "nacos"
  }
}

namespace = “” 是public，不要填public 否则会报错。

另外，如果自定namespace 要在这里写namespace的流水id，而不是name

1.4.2最方便的地方，也是最坑的地方就是通过这个dataId来访问配置了

通过dataId配置

首先你需要在nacos新建配置，此处dataId为seataServer.properties,配置内容参考https://github.com/seata/seata/tree/develop/script/config-center 的config.txt并按需修改保存

这里的坑又vgroupMapping不是vgroup_mapping了，.后面的就是group的name，但是不要用下划线_否则也会报错。

default是集群的名字…哈哈哈这个大坑

参考的properties的示范，

transport.type=TCP
transport.server=NIO
transport.heartbeat=true
transport.enableTmClientBatchSendRequest=false
transport.enableRmClientBatchSendRequest=true
transport.rpcRmRequestTimeout=5000
transport.rpcTmRequestTimeout=10000
transport.rpcTcRequestTimeout=10000
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
#事务组 重点关注-->
service.vgroupMapping.mytestgroup=default
service.default.grouplist=192.168.2.3:8091
service.enableDegrade=false
service.disableGlobalTransaction=false
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=false
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
#存储模式--->数据库
store.mode=db
store.lock.mode=db
store.session.mode=db
###########
store.publicKey=
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
store.db.datasource=druid
store.db.dbType=mysql
store.db.driverClassName=com.mysql.jdbc.Driver
#数据库连接配置  需要修改
store.db.url=jdbc:mysql://192.168.2.3:3306/seata?useUnicode=true&rewriteBatchedStatements=true
store.db.user=root
store.db.password=123456
###################
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
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
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
client.undo.dataValidation=true
#由于有时间类型是Seata回滚反序列化Date类型无法成功反序列化，需要修改序列化方式解决该问题
client.undo.logSerialization=kryo
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
log.exceptionRate=100
transport.serialization=seata
transport.compressor=none
metrics.enabled=false
metrics.registryType=compact
metrics.exporterList=prometheus
metrics.exporterPrometheusPort=9898
tcc.fence.logTableName=tcc_fence_log
tcc.fence.cleanPeriod=1h
server.session.branchAsyncQueueSize=5000
server.session.enableBranchAsyncRemove=true

随后,启动 Seata-Server 后，会发现Server端的服务出现在 Nacos 控制台中的注册中心列表中. Client 配置完成后启动应用就可以正式体验 Seata 服务。

Tips：请确保client与server的注册处于同一个namespace和group，不然会找不到服务。

使用docker启动 seata1.4.2

docker run -d --name seata-server /
		-e SEATA_IP=192.168.2.3 -p 8091:8091 /
		-e SEATA_CONFIG_NAME=file:/root/seata-config/registry /
		-v /opt/seata-config:/root/seata-config /
		seataio/seata-server:1.4.2

-e SEATA_PORT=8092

可以指定 seata的启动端口

Client端配置-------->注册中心<--------------

下面这个是官网的一些解释

seata.tx-service-group=my_test_tx_group ---------------> 事务分组配置（在v1.5之后默认值为default_tx_group）
seata.service.vgroup-mapping.my_test_tx_group=default  ---------------> 指定事务分组至集群映射关系（等号右侧的集群名需要与Seata-server注册到Nacos的cluster保持一致）
seata.registry.type=nacos      ---------------> 使用nacos作为注册中心
seata.registry.nacos.server-addr=nacos注册中心IP:端口
seata.registry.nacos.application=seata-server     ---------------> Seata服务名（应与seata-server实际注册的服务名一致）
seata.registry.nacos.group=SEATA_GROUP            ---------------> Seata分组名（应与seata-server实际注册的分组名一致）

我集成的环境是spring-cloud Hoxton.SR3 ,spring-cloud-alibaba 2.2.1.RELEASE,spring-boot 2.2.5.RELEASE

Spring-clound-alibaba版本说明

https://github.com/alibaba/spring-cloud-alibaba/wiki/%E7%89%88%E6%9C%AC%E8%AF%B4%E6%98%8E

可以看到支持seata 1.2最低也要Alibaba 2.2.1 我试过2.2.0，由于nacos是1.1.4的不到1.2以上不支持seata1.4.2

如果有条件可以试试从

image-20220121210809192

最高版本据说改动不少，坑也不少。有时间踩坑的可以试试。

image-20220121211128374

接下来就是父工程pom约束

我发现这个阶段网上的帖子全部都是截取一段的。我就粘贴个完整的吧

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>bowen.xu</groupId>
    <artifactId>cloud2020</artifactId>
    <version>1.0-SNAPSHOT</version>
    <!--    这行需要添加-->
    <packaging>pom</packaging>

    <modules>
        <module>seata-order-service2001</module>
    </modules>

<!--统一管理所有version-->
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
        <junit.version>4.12</junit.version>
        <log4j.version>1.2.17</log4j.version>
        <lombok.version>1.16.18</lombok.version>
        <mysql.version>5.1.49</mysql.version>
        <druid.verison>1.1.16</druid.verison>
        <mybatis.spring.boot.version>1.3.0</mybatis.spring.boot.version>
    </properties>

    <!-- 子模块继承之后，提供作用：
           锁定版本+子modlue不用写groupId和version -->
    <dependencyManagement>
        <dependencies>
            <!--spring boot 2.2.5-->
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-dependencies</artifactId>
                <version>2.2.5.RELEASE</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <!--spring cloud Hoxton.SR3-->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Hoxton.SR3</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <!--spring cloud alibaba 2.2.1.RELEASE-->
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                <version>2.2.1.RELEASE</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <dependency>
                <groupId>mysql</groupId>
                <artifactId>mysql-connector-java</artifactId>
                <version>${mysql.version}</version>
            </dependency>
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>druid</artifactId>
                <version>${druid.verison}</version>
            </dependency>
            <dependency>
                <groupId>org.mybatis.spring.boot</groupId>
                <artifactId>mybatis-spring-boot-starter</artifactId>
                <version>${mybatis.spring.boot.version}</version>
            </dependency>
            <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>${junit.version}</version>
            </dependency>
            <dependency>
                <groupId>log4j</groupId>
                <artifactId>log4j</artifactId>
                <version>${log4j.version}</version>
            </dependency>
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <version>${lombok.version}</version>
                <optional>true</optional>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <version>2.2.2.RELEASE</version>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
                <configuration>
                        <fork>true</fork>
                      <addResources>true</addResources>
                </configuration>
            </plugin>
        </plugins>
    </build>


</project>

子工程pom

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
        <artifactId>cloud2020</artifactId>
        <groupId>bowen.xu</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>seata-order-service2001</artifactId>

    <properties>
        <maven.compiler.source>8</maven.compiler.source>
        <maven.compiler.target>8</maven.compiler.target>


    </properties>


    <dependencies>
        <!--nacos-->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
        </dependency>
        <!--seata-->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-seata</artifactId>
            <!--spring-cloud-starter-alibaba-seata集成的是1.2.0版本的seata,要用1.4.2的需要排除掉集成的-->
            <exclusions>
                <exclusion>
                    <groupId>io.seata</groupId>
                    <artifactId>seata-spring-boot-starter</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>io.seata</groupId>
            <artifactId>seata-spring-boot-starter</artifactId>
            <version>1.4.2</version>
        </dependency>
<!--        1.4.2 因为序列化问题导致事物不回滚-->
<!--        修改nacos中seata配置。jackson 改为kryo。并引入依赖-->
<!--        client.undo.logSerialization = kryo-->
        <dependency>
            <groupId>com.esotericsoftware</groupId>
            <artifactId>kryo</artifactId>
            <version>4.0.2</version>
        </dependency>
        <dependency>
            <groupId>de.javakaffee</groupId>
            <artifactId>kryo-serializers</artifactId>
            <version>0.44</version>
        </dependency>
<!--        bootstrap.yml配置文件不加载问题。引入依赖-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-bootstrap</artifactId>
            <version>3.0.3</version>
        </dependency>
        <!--feign-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-openfeign</artifactId>
        </dependency>
        <!--web-actuator-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <!--mysql-druid-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.37</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid-spring-boot-starter</artifactId>
            <version>1.1.10</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>2.0.0</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
    </dependencies>

</project>

application.yml

server:
  port: 2001

spring:
  application:
    name: seata-order-service
  cloud:
    nacos:
      discovery:
        server-addr: 192.168.2.3:8848
  datasource:
    driver-class-name: com.mysql.jdbc.Driver
    url: jdbc:mysql://192.168.2.3:3306/seata_order
    username: root
    password: 123456

seata:
  enabled: true
  enable-auto-data-source-proxy: true
  tx-service-group: mytestgroup
  registry:
    type: nacos
    nacos:
      application: seata-server
      server-addr: 192.168.2.3:8848
      group: "SEATA_GROUP"
      namespace: ""
      username: "nacos"
      password: "nacos"

  config:
    type: nacos
    nacos:
      server-addr: 192.168.2.3:8848
      group: "SEATA_GROUP"
      namespace: ""
      dataId: "seataServer.properties"
      username: "nacos"
      password: "nacos"

#  service:
#    vgroupMapping:
#      default-group: default
#    disable-global-transaction: false
  client:
    rm:
      report-success-enable: false

feign:
  hystrix:
    enabled: false

logging:
  level:
    io:
      seata: info

mybatis:
  mapperLocations: classpath:mapper/*.xml

这里踩过的一些坑

io.seata.spring.boot.autoconfigure.SeataAutoConfiguration.

找不到包

java.lang.IllegalStateException: Error processing condition on io.seata.spring.boot.autoconfigure.SeataAutoConfiguration.globalTransactionScanner
	at org.springframework.boot.autoconfigure.condition.SpringBootCondition.matches(SpringBootCondition.java:60)
	at org.springframework.context.annotation.ConditionEvaluator.shouldSkip(ConditionEvaluator.java:108)
	at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForBeanMethod(ConfigurationClassBeanDefinitionReader.java:184)
	at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForConfigurationClass(ConfigurationClassBeanDefinitionReader.java:144)
	at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitions(ConfigurationClassBeanDefinitionReader.java:120)
	at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:331)
	at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:236)
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:275)
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:95)
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:706)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:532)
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141)
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747)
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)
	at cn.yufeng.sindar.app.SindarApplication.main(SindarApplication.java:25)
Caused by: java.lang.IllegalStateException: Failed to introspect Class [io.seata.spring.boot.autoconfigure.SeataAutoConfiguration] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2]
	at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:481)
	at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:358)
	at org.springframework.util.ReflectionUtils.getUniqueDeclaredMethods(ReflectionUtils.java:414)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.lambda$getTypeForFactoryMethod$2(AbstractAutowireCapableBeanFactory.java:743)
	at java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1660)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getTypeForFactoryMethod(AbstractAutowireCapableBeanFactory.java:742)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineTargetType(AbstractAutowireCapableBeanFactory.java:681)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:649)
	at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1605)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBeanNamesForType(DefaultListableBeanFactory.java:520)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:491)
	at org.springframework.boot.autoconfigure.condition.OnBeanCondition.collectBeanNamesForType(OnBeanCondition.java:230)
	at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getBeanNamesForType(OnBeanCondition.java:223)
	at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getBeanNamesForType(OnBeanCondition.java:213)
	at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getMatchingBeans(OnBeanCondition.java:167)
	at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getMatchOutcome(OnBeanCondition.java:142)
	at org.springframework.boot.autoconfigure.condition.SpringBootCondition.matches(SpringBootCondition.java:47)
	... 15 common frames omitted
Caused by: java.lang.NoClassDefFoundError: io/seata/spring/annotation/datasource/SeataDataSourceBeanPostProcessor
	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
	at java.lang.Class.getDeclaredMethods(Class.java:1975)
	at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:463)
	... 31 common frames omitted
Caused by: java.lang.ClassNotFoundException: io.seata.spring.annotation.datasource.SeataDataSourceBeanPostProcessor
	at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 35 common frames omitted

seata 版本问题， spring-cloud-alibaba 2.2.0 依赖下的seata-spring-boot-starter 版本是1.1.0，
1.4.2 版本SeataAutoConfiguration.class 没有seataDataSourceBeanPostProcessor bean ,而是用SeataAutoDataSourceProxyCreator代替。所以，要升级父工程的spring-cloud-alibaba

[ERROR] i.s.c.r.n.NettyClientChannelManager - no available service ‘null’ found, please make sure registry config correct。没有找到服务，请确认注册表是否正确。

客户端的 tx-service-group: my_test_tx_group 与server配置的不统一。

Failed to delete expired undo_log, error:Table ‘seata_order.undo_log’ doesn’t exist

这个不用说的。每个库都要加一个undo_log表

标签：feign,java,seata,boot,nacos,springframework,org,store
来源： https://blog.csdn.net/BowenXu11/article/details/122629768

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