SpringCloudalibaba 踩坑记之java.lang.IllegalArgumentException: no server available

朱雀 2023-02-18 10:59 29阅读 0赞

## 前言 ##

2020-04-25 11:04:11.304 ERROR 893 --- [TaskScheduler-1] o.s.c.a.nacos.discovery.NacosWatch       : Error watching Nacos Service change
    
    java.lang.IllegalArgumentException: no server available
    	at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:354) ~[nacos-client-1.0.0.jar:na]
    	at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:346) ~[nacos-client-1.0.0.jar:na]
    	at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:294) ~[nacos-client-1.0.0.jar:na]
    	at com.alibaba.nacos.client.naming.net.NamingProxy.getServiceList(NamingProxy.java:276) ~[nacos-client-1.0.0.jar:na]
    	at com.alibaba.nacos.client.naming.net.NamingProxy.getServiceList(NamingProxy.java:252) ~[nacos-client-1.0.0.jar:na]
    	at com.alibaba.nacos.client.naming.NacosNamingService.getServicesOfServer(NacosNamingService.java:525) ~[nacos-client-1.0.0.jar:na]
    	at org.springframework.cloud.alibaba.nacos.discovery.NacosWatch.nacosServicesWatch(NacosWatch.java:127) ~[spring-cloud-alibaba-nacos-discovery-0.9.0.RELEASE.jar:0.9.0.RELEASE]
    	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54) ~[spring-context-5.2.5.RELEASE.jar:5.2.5.RELEASE]
    	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[na:1.8.0_151]
    	at java.util.concurrent.FutureTask.runAndReset$$$capture(FutureTask.java:308) ~[na:1.8.0_151]
    	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java) ~[na:1.8.0_151]
    	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) ~[na:1.8.0_151]
    	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ~[na:1.8.0_151]
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[na:1.8.0_151]
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[na:1.8.0_151]
    	at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_151]

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## 分析原因 ##

原来是版本冲突，我使用的是Springboot2.2.6RELEASE，跟SpringCloudAlibaba版本冲突

## 解决方案 ##

<parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>2.1.7.RELEASE</version>
            <relativePath/> 
        </parent>

<dependencyManagement>
            <dependencies>
                <dependency>
                    <groupId>org.springframework.cloud</groupId>
                    <artifactId>spring-cloud-dependencies</artifactId>
                    <version>Greenwich.SR1</version>
                    <type>pom</type>
                    <scope>import</scope>
                </dependency>
                
                <dependency>
                    <groupId>org.springframework.cloud</groupId>
                    <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                    <version>0.9.0.RELEASE</version>
                    <type>pom</type>
                    <scope>import</scope>
                </dependency>
    
            </dependencies>
        </dependencyManagement>

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