Shulou(Shulou.com)05/31 Report--

What if the jar package cannot be started after the integration of Spring Boot + Zookeeper + Dubbo + Seata. In order to solve this problem, this article introduces the corresponding analysis and solutions in detail, hoping to help more partners who want to solve this problem to find a more simple and feasible method.

Preface

Spring Boot + Zookeeper + Dubbo + Seata integration, IDEA startup project error, can be run in tomcat.

Version:

Zookeeper 3.6.1

Dubbo 3.7

Seata 1.4

Error abnormal information

22 restartedMain 01.157 [restartedMain] WARN o.a.c.l.WebappClassLoaderBase-[log,173]-The web application [ROOT] appears to have started a thread named [Druid-ConnectionPool-Destroy-92732034] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:

Java.lang.Thread.sleep (Native Method)

Com.alibaba.druid.pool.DruidDataSource$DestroyConnectionThread.run (DruidDataSource.java:2641)

22RV 36RV 01.159 [restartedMain] WARN o.s.b.w.s.c.AnnotationConfigServletWebServerApplicationContext-[refresh,554]-Exception encountered during context initialization-cancelling refresh attempt: org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat

2236RV 01.182 [restartedMain] ERROR o.s.b.SpringApplication-[reportFailure,858]-Application run failed

Org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat

At org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh (ServletWebServerApplicationContext.java:157)

At org.springframework.context.support.AbstractApplicationContext.refresh (AbstractApplicationContext.java:540)

At org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh (ServletWebServerApplicationContext.java:142)

At org.springframework.boot.SpringApplication.refresh (SpringApplication.java:775)

At org.springframework.boot.SpringApplication.refreshContext (SpringApplication.java:397)

At org.springframework.boot.SpringApplication.run (SpringApplication.java:316)

At org.springframework.boot.SpringApplication.run (SpringApplication.java:1260)

At org.springframework.boot.SpringApplication.run (SpringApplication.java:1248)

At com.xuanzhen.CouponApplication.main (CouponApplication.java:27)

At sun.reflect.NativeMethodAccessorImpl.invoke0 (NativeMethod)

At sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)

At sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)

At java.lang.reflect.Method.invoke (Method.java:498)

At org.springframework.boot.devtools.restart.RestartLauncher.run (RestartLauncher.java:49)

Caused by: org.springframework.aop.framework.AopConfigException: Could not generate CGLIB subclass of class com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceWrapper: Common causes of this problem include using a final class or a non-visible class; nested exception is org.springframework.cglib.core.CodeGenerationException: java.lang.IllegalAccessError-- > class com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceWrapper$$EnhancerBySpringCGLIB$$3ec0b0c8 cannot access its superclass com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceWrapper

At org.springframework.aop.framework.CglibAopProxy.getProxy (CglibAopProxy.java:208)

At org.springframework.aop.framework.ProxyFactory.getProxy (ProxyFactory.java:110)

At org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.createProxy (AbstractAutoProxyCreator.java:473)

At org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary (AbstractAutoProxyCreator.java:352)

At org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization (AbstractAutoProxyCreator.java:301)

At org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization (AbstractAutowireCapableBeanFactory.java:434)

At org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean (AbstractAutowireCapableBeanFactory.java:1749)

At org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean (AbstractAutowireCapableBeanFactory.java:576)

... 152 common frames omitted

Caused by: java.lang.IllegalAccessError: class com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceWrapper$$EnhancerBySpringCGLIB$$3ec0b0c8 cannot access its superclass com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceWrapper

At java.lang.ClassLoader.defineClass1 (Native Method)

At java.lang.ClassLoader.defineClass (ClassLoader.java:763)

At sun.reflect.GeneratedMethodAccessor37.invoke (Unknown Source)

At sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)

At java.lang.reflect.Method.invoke (Method.java:498)

At org.springframework.cglib.core.ReflectUtils.defineClass (ReflectUtils.java:523)

... 173 common frames omitted

Process finished with exit code 0

Project maven dependency

Org.springframework.boot spring-boot-dependencies 2.1.1.RELEASE pom import io.seata seata-spring-boot-starter 1.4.0 Com.101tec zkclient 0.11

Try to use online solutions, excluding servlet-api, guava, tomcat dependency conflicts, and so on, are not resolved.

Solve

Finally, change the use-jdk-proxy that defaults to false in the Seata client configuration file to true, and the problem is resolved.

Seata: enabled: true application-id: coupon tx-service-group: my_test_tx_group enable-auto-data-source-proxy: true data-source-proxy-mode: AT use-jdk-proxy: true excludes-for-auto-proxying: firstClassNameForExclude,secondClassNameForExclude. This is the answer to the question about how to start the jar package after the integration of Spring Boot + Zookeeper + Dubbo + Seata. I hope the above content can be of some help to you. If you still have a lot of doubts to be solved, you can follow the industry information channel for more related knowledge.

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