java.lang.IllegalStateException: Failed to register dubbo://139.224.33.130:20881
1.MySQL 8.0 java.sql.SQLException Unknown system variable 'query_cache_size'2.yarn : 无法将“yarn”项识别为 cmdlet、函数、脚本文件或可运行程序的名称3.idea中文乱码解决四种方法4.elasticsearch安装问题记录5.Swagger之Failed to start bean ‘documentationPluginsBootstrapper‘； nested exception is java.lang6.switchHosts应用时，没有写入 Hosts 文件的权限7.IDEA 控制台中文乱码8.java.lang.IllegalArgumentException: Base64-encoded key bytes may only be specified for HMAC9.git之kex_exchange_identification: Connection closed by remote host10.Oracle之ORA-29275: 部分多字节字符11.maven之‘settings.xml‘ has syntax errors12.vue项目本地映射到外网访问时出现 Invalid Host header13.vue之Error: Unknown option: .devServer.14.Nacos之Injection of @DubboReference dependencies is failed；15.redis之org.springframework.data.redis.RedisSystemException: Error in execution16.reduce the indexing time and cpu load with pre-build jdk shared indexes17.docker安装xxl-job连接数据库时显示无法连接问题18.解决时间戳问题19.使用 mysql 统计日期范围的数据条数20.error An unexpected error occurred: https://registry.npmmirror.com21.Visual Studio 2022 2022 不支持 .NET Framework 4.0项目解决办法22.webpack的使用23.node.js运行项目时提示digital envelope routines::unsupported24.Typora图片路径问题之相对路径前没有点斜杠25.Personal access tokens (classic)与Fine-grained personal access tokens Beta区别26.GitHub Action: The process ‘/usr/bin/git‘ failed with exit code 128 解决方案27.Android Studio 中模拟器无法打开，提示Error launching emulator28.AndroidStudio中Android模拟器没网解决办法29.C#中System.ArgumentOutOfRangeException:“提供的行索引超出范围。30.VisualStudio运行程序，点击应用程序时，弹出多个个窗体问题31.C#中无法将文件“obj\x86\Debug\xxx.exe”复制到“bin\Debug\xxx.exe”。文件“bin\Debug\xxx.exe”正由另一进程使用，因此该进程无法访问此文件.32.ssm之Error creating bean with name ‘bookServiceImpl‘: Injection of resource dependencies failed；33.Node.js之npm ERR code EPERM npm ERR syscall open npm ERR34.Cookie报错: An invalid character [32] was present in the Cookie value35.Android之Installed Build Tools revision 32.0.0 is corrupted.36.安装node.js需要注意的问题37.RabbitMQ-错误：Failed to download metadata for repo ‘base‘: Cannot download repomd.xml38.centos8.2安装rabbitMQ遇到的问题39.‘Starting Tomcat v8.5 Server at localhost‘ has encountered a problem.40.Eclipse运行报Could not launch external web browser for ..41.docker之Error response from daemon: driver failed programming external connectivity on endpoint42.VisualStudioCode终端出现-＞在此系统上禁止运行脚本
43.java.lang.IllegalStateException: Failed to register dubbo://139.224.33.130:20881
44.springCloud之Cloud not autowire.No beans of ‘‘ type found45.springCloud之This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver‘.46.Spring Cloud Config 客户端报错：No spring.config.import property has been defined47.rg.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name48.org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘‘49.SpringBoot之Invalid bound statement (not found): com.nxg.mapper.UserMapper.selectUserByPage50.SpringBoot之Failed to load ApplicationContext51.Maven之导入thymeleaf依赖飘红问题52.SpringBoot之Establishing SSL connection without server‘s identity verification is not recommended.53.SpringBoot之 Failed to load ApplicationContext54.Eclipse报错-Description Resource Path Location Type Unbound classpath container: ‘JRE System Library55.sqlServer2019附加出现的问题整理56.ssm中的中Failed to load resource: the server responded with a status of 404 ()57.Maven之IDEA创建XML Configuration File时没有Spring Config的选项58.MVC之Error:java: 不再支持源选项 5。请使用 6 或更高版本。59.Maven之Failed to execute goal org.apache.maven.plugins:maven-install-plugin:2.4:install (default-cli)60.在安装Maven检查版本时出现Please set the JAVA_HOME variable in your environment to match the locat61.在linux下 wget 下载报错 http request sent,awaiting response... 404 not found62.异常之java.lang.nullpointerexception 怎么解决及出现原因？63.JavaWeb之MVC---数据库连接问题1、遇到的问题
java.lang.IllegalStateException: Failed to register dubbo://10.3.5.176:208802、解决办法：
第一步：
1、先检查是否导入了项目所需要的全部Jar包，一般情况下是因为缺少某一个包导致，猜现在是缺少common-pool.jar这个jar包，发现项目里面有这个包；
2、检查导入的jar包的版本对不对 ，版本不对也会导致这样的问题；
3、检查路径是否正确，有些时候applicationContext.xml 这个文件找不到，要放到classes下面。寻找报错的文件的路径与配置信息是否正确；第二步：
1、先查看tomcat控制台，看看是否有错误，如果出现严重之类的告警，基本会影响后面的应用；
2、发现问题后，打开Tomcat的日志记录，一般能够找到真正的原因；
3、根据原因解决问题；第三步：重新检出项目后部署，依旧不能解决问题；
第四步：找同事拷贝下能运行的本项目代码导入到MyEclipse里运行依旧报错相同错误；
第五步：重新解压Tomcat包重新配置Tomcat后运行，问题解决；
总结：错误原因为运行时多个编写程序软件同一个项目共用一个Tomcat，导致里面配置冲突。
其中我遇到的问题是复制域名时，多了个/ ,删除掉就好了。
其他问题
Error:Zookeeper is not connected yet!
连接Zookeeper注册中心时，出现Zookeeper is not connected yet!
原因：
1.pom.xml引入的坐标版本与服务器的Zookeeper版本不一致
2.linux的防火墙未关闭com.alibaba.dubbo.rpc.RpcException: Failed to register dubbo
java.lang.IllegalStateException: Failed to register dubbo
Caused by: java.lang.IllegalStateException: Zookeeper is not connected yet!
如果你是在Linux下开启的Zookeeper，出现以上三个错误，如果实在找不到错误的话
试试在Linux命令行关闭防火墙（我就是没有关闭防火墙排错排了两个多小时，最后一关闭防火墙就好了，心态炸了）。
具体操作：
关闭防火墙Linux命令：service iptables stop
运行Tomcat时若出现Address already in use: JVM_Bind 端口被占用，一般使用下面几个办法可以解决：
假设端口为1099
1.启动cmd, 执行命令netstat -ano|findstr 1099 ，会查询出占用端口号的进程号，这时候执行命令
taskkill -f -pid 进程号 杀死进程，然后重启Tomcat即可解决
2.若方法一查询不到进程，（假设使用IDEA）则在Run- Edit Configurations中删掉添加的Tomcat，之后再重新配置Tomcat及其artifacts等，可解决
3.若还是不行，Ctrl Shift Delete 打开资源管理器，关掉Idea和Java jvm的进程，重新打开idea 尝试运行
4，关机重启
一般情况下 方法一即可解决，其次方法二
附件：
严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'helloServiceImpl' defined in file [D:\code\IdeaProjects\dubboDemo\dubboDemo-provider\target\classes\com\nxg\service\impl\HelloServiceImpl.class]: Initialization of bean failed; nested exception is java.lang.IllegalStateException: Failed to register dubbo://192.168.124.4:20881/com.nxg.service.HelloService?anyhost=true&application=dubboDemo_provider&dubbo=2.6.0&generic=false&interface=com.nxg.service.HelloService&methods=sayHello&pid=22004&side=provider×tamp=1645759186327 to registry 139.224.33.130:9090, cause: Failed to register dubbo://192.168.124.4:20881/com.nxg.service.HelloService?anyhost=true&application=dubboDemo_provider&dubbo=2.6.0&generic=false&interface=com.nxg.service.HelloService&methods=sayHello&pid=22004&side=provider×tamp=1645759186327 to zookeeper zookeeper://139.224.33.130:9090/com.alibaba.dubbo.registry.RegistryService?application=dubboDemo_provider&dubbo=2.6.0&interface=com.alibaba.dubbo.registry.RegistryService&pid=22004×tamp=1645759186306, cause: Zookeeper is not connected yet!
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:587)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:501)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:760)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550)
at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:409)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:291)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:103)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4939)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5434)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.IllegalStateException: Failed to register dubbo://192.168.124.4:20881/com.nxg.service.HelloService?anyhost=true&application=dubboDemo_provider&dubbo=2.6.0&generic=false&interface=com.nxg.service.HelloService&methods=sayHello&pid=22004&side=provider×tamp=1645759186327 to registry 139.224.33.130:9090, cause: Failed to register dubbo://192.168.124.4:20881/com.nxg.service.HelloService?anyhost=true&application=dubboDemo_provider&dubbo=2.6.0&generic=false&interface=com.nxg.service.HelloService&methods=sayHello&pid=22004&side=provider×tamp=1645759186327 to zookeeper zookeeper://139.224.33.130:9090/com.alibaba.dubbo.registry.RegistryService?application=dubboDemo_provider&dubbo=2.6.0&interface=com.alibaba.dubbo.registry.RegistryService&pid=22004×tamp=1645759186306, cause: Zookeeper is not connected yet!
at com.alibaba.dubbo.registry.support.FailbackRegistry.register(FailbackRegistry.java:149)
at com.alibaba.dubbo.registry.integration.RegistryProtocol.register(RegistryProtocol.java:116)
at com.alibaba.dubbo.registry.integration.RegistryProtocol.export(RegistryProtocol.java:135)
at com.alibaba.dubbo.rpc.protocol.ProtocolListenerWrapper.export(ProtocolListenerWrapper.java:66)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper.export(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.rpc.Protocol$Adaptive.export(Protocol$Adaptive.java)
at com.alibaba.dubbo.config.ServiceConfig.doExportUrlsFor1Protocol(ServiceConfig.java:505)
at com.alibaba.dubbo.config.ServiceConfig.doExportUrls(ServiceConfig.java:357)
at com.alibaba.dubbo.config.ServiceConfig.doExport(ServiceConfig.java:316)
at com.alibaba.dubbo.config.ServiceConfig.export(ServiceConfig.java:215)
at com.alibaba.dubbo.config.spring.AnnotationBean.postProcessAfterInitialization(AnnotationBean.java:181)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:437)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1706)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:579)
... 20 more
Caused by: com.alibaba.dubbo.rpc.RpcException: Failed to register dubbo://192.168.124.4:20881/com.nxg.service.HelloService?anyhost=true&application=dubboDemo_provider&dubbo=2.6.0&generic=false&interface=com.nxg.service.HelloService&methods=sayHello&pid=22004&side=provider×tamp=1645759186327 to zookeeper zookeeper://139.224.33.130:9090/com.alibaba.dubbo.registry.RegistryService?application=dubboDemo_provider&dubbo=2.6.0&interface=com.alibaba.dubbo.registry.RegistryService&pid=22004×tamp=1645759186306, cause: Zookeeper is not connected yet!
at com.alibaba.dubbo.registry.zookeeper.ZookeeperRegistry.doRegister(ZookeeperRegistry.java:112)
at com.alibaba.dubbo.registry.support.FailbackRegistry.register(FailbackRegistry.java:136)
... 33 more
Caused by: java.lang.IllegalStateException: Zookeeper is not connected yet!
at com.alibaba.dubbo.remoting.zookeeper.zkclient.ZkClientWrapper.createPersistent(ZkClientWrapper.java:98)
at com.alibaba.dubbo.remoting.zookeeper.zkclient.ZkclientZookeeperClient.createPersistent(ZkclientZookeeperClient.java:61)
at com.alibaba.dubbo.remoting.zookeeper.support.AbstractZookeeperClient.create(AbstractZookeeperClient.java:63)
at com.alibaba.dubbo.remoting.zookeeper.support.AbstractZookeeperClient.create(AbstractZookeeperClient.java:57)
at com.alibaba.dubbo.remoting.zookeeper.support.AbstractZookeeperClient.create(AbstractZookeeperClient.java:57)
at com.alibaba.dubbo.remoting.zookeeper.support.AbstractZookeeperClient.create(AbstractZookeeperClient.java:57)
at com.alibaba.dubbo.registry.zookeeper.ZookeeperRegistry.doRegister(ZookeeperRegistry.java:110)
... 34 more
二月 25, 2022 11:20:16 上午 org.apache.catalina.core.StandardContext startInternal
严重: Error listenerStart
二月 25, 2022 11:20:16 上午 org.apache.catalina.core.StandardContext startInternal
严重: Context [] startup failed due to previous errors
二月 25, 2022 11:20:16 上午 org.apache.catalina.core.ApplicationContext log
信息: Closing Spring root WebApplicationContext
二月 25, 2022 11:20:16 上午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
严重: The web application [] appears to have started a thread named [New I/O server boss #1 ([id: 0x1a70dc46, /0:0:0:0:0:0:0:0:20881])] but has failed to stop it. This is very likely to create a memory leak.
二月 25, 2022 11:20:16 上午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
严重: The web application [] appears to have started a thread named [dubbo-remoting-server-heartbeat-thread-1] but has failed to stop it. This is very likely to create a memory leak.
二月 25, 2022 11:20:16 上午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
严重: The web application [] appears to have started a thread named [DubboRegistryFailedRetryTimer-thread-1] but has failed to stop it. This is very likely to create a memory leak.
二月 25, 2022 11:20:16 上午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
严重: The web application [] appears to have started a thread named [DubboZkclientConnector] but has failed to stop it. This is very likely to create a memory leak.
二月 25, 2022 11:20:16 上午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
严重: The web application [] appears to have started a thread named [ZkClient-EventThread-22-139.224.55.130:9090] but has failed to stop it. This is very likely to create a memory leak.
二月 25, 2022 11:20:16 上午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
严重: The web application [] appears to have started a thread named [DubboZkclientConnector-SendThread(139.224.55.130:9090)] but has failed to stop it. This is very likely to create a memory leak.
二月 25, 2022 11:20:16 上午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
严重: The web application [] appears to have started a thread named [DubboZkclientConnector-EventThread] but has failed to stop it. This is very likely to create a memory leak.
二月 25, 2022 11:20:16 上午 org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
严重: The web application [] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@25545dff]) and a value of type [java.lang.Class] (value [class com.nxg.service.impl.HelloServiceImpl]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.
二月 25, 2022 11:20:16 上午 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler ["http-bio-8082"]
本文来自博客园，作者：所遇所思，转载请注明原文链接：https://www.cnblogs.com/mynxg/p/17989338
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2021-02-25 算法