007-如何解决循环引用的冲突问题
LiuYang 2020/11/20 Spring BootSpring Security
当我在抄代码的路上一骑绝尘的时候，发生了一个奇怪的问题。控制台报出的错误如下：
/Users/lijiao/.asdf/installs/java/adopt-openjdk-14.0.1+7/bin/java -agentlib:jdwp=transport=dt_socket,address=127.0.0.1:49266,suspend=y,server=n -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true -javaagent:/Users/lijiao/Library/Caches/JetBrains/IntelliJIdea2020.2/groovyHotSwap/gragent.jar -javaagent:/Users/lijiao/Library/Caches/JetBrains/IntelliJIdea2020.2/captureAgent/debugger-agent.jar -Dfile.encoding=UTF-8 -classpath /Users/lijiao/IdeaProjects/layman-starter/build/classes/java/main:/Users/lijiao/IdeaProjects/layman-starter/build/resources/main:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-configuration-processor/2.3.3.RELEASE/f8b44f9409b969d4320ce1caff727bd5b85e513e/spring-boot-configuration-processor-2.3.3.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.projectlombok/lombok/1.18.12/48e4e5d60309ebd833bc528dcf77668eab3cd72c/lombok-1.18.12.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-web/2.3.3.RELEASE/d38db3c19ba4bc114aaa4febfc1d89cd8725822d/spring-boot-starter-web-2.3.3.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-aop/2.3.3.RELEASE/8d68fee9baba6e42f1ff6954365edeab83355f40/spring-boot-starter-aop-2.3.3.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-data-redis/2.3.3.RELEASE/971f7e1fb22d1691d79f0c00e255c418ea0b1aa5/spring-boot-starter-data-redis-2.3.3.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-security/2.3.3.RELEASE/8096643d49582bfefd91de01714281dad56688f0/spring-boot-starter-security-2.3.3.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-validation/2.3.3.RELEASE/fd55e368f18dab00ec621f11a8bfc57d8e3dbb77/spring-boot-starter-validation-2.3.3.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/com.baomidou/mybatis-plus-boot-starter/3.4.0/482d3ecceb9223f08f8409ce5d48f12e4ff8cab9/mybatis-plus-boot-starter-3.4.0.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/com.baomidou/mybatis-plus-generator/3.4.0/87141e66284f2abe3aa553f021c9ee8b33a5cd22/mybatis-plus-generator-3.4.0.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.apache.velocity/velocity-engine-core/2.2/68d899cb70cd27d495562fa808feb2da4926d38f/velocity-engine-core-2.2.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/io.springfox/springfox-boot-starter/3.0.0/5486365e263f8acca014b97efa50c3419d58e8f6/springfox-boot-starter-3.0.0.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/com.github.xiaoymin/swagger-bootstrap-ui/1.9.6/9c9935b59c43f9a8b6b1fb2db38c4be7809a7db2/swagger-bootstrap-ui-1.9.6.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/io.jsonwebtoken/jjwt/0.9.1/54d2abfc3e63a28824d35bf600d6a5d627da681a/jjwt-0.9.1.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/cn.hutool/hutool-all/5.4.1/d9ccfe199bdb3abd90c82eb701966f89e6092455/hutool-all-5.4.1.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/jakarta.xml.bind/jakarta.xml.bind-api/2.3.2/8d49996a4338670764d7ca4b85a1c4ccf7fe665d/jakarta.xml.bind-api-2.3.2.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-json/2.3.3.RELEASE/8c40b22a0635989ecc58f35d82fd55445be8822f/spring-boot-starter-json-2.3.3.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter/2.3.3.RELEASE/c9bb3464e83990465b86fb94da3d20f92f036d1e/spring-boot-starter-2.3.3.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-tomcat/2.3.3.RELEASE/542a0aaf0f584d186d9bd052ab10a5cf357a5b39/spring-boot-starter-tomcat-2.3.3.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.springframework/spring-webmvc/5.2.8.RELEASE/9cccf8354a7e031e217681db33f14339200dffcf/spring-webmvc-5.2.8.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.springframework/spring-web/5.2.8.RELEASE/4f9542d61fff7beb6050e8028dfb6b7c6844c99a/spring-web-5.2.8.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.springframework/spring-aop/5.2.8.RELEASE/e0e9b4ed80ecde4bad258aaa3f87bf16eb1feecc/spring-aop-5.2.8.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.aspectj/aspectjweaver/1.9.6/ee3b73aa16df35179255f17354d9dfd8e7822835/aspectjweaver-1.9.6.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.springframework.data/spring-data-redis/2.3.3.RELEASE/9b858f8dd52d439cc9c78f3614345947f224be9f/spring-data-redis-2.3.3.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/io.lettuce/lettuce-core/5.3.3.RELEASE/613d27c80803a38bd2d3d7d8e824a3ff54149727/lettuce-core-5.3.3.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.springframework.security/spring-security-web/5.3.4.RELEASE/9574a39bd514ece4cb8cfcb4e05c0ee2c5b53046/spring-security-web-5.3.4.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.springframework.security/spring-security-config/5.3.4.RELEASE/9106bcf21ce07f63259bea082fbd401584c5707b/spring-security-config-5.3.4.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.glassfish/jakarta.el/3.0.3/dab46ee1ee23f7197c13d7c40fce14817c9017df/jakarta.el-3.0.3.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.hibernate.validator/hibernate-validator/6.1.5.Final/e5539b4b05c1520a9b4c0a1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sers/lijiao/.gradle/caches/modules-2/files-2.1/org.slf4j/jul-to-slf4j/1.7.30/d58bebff8cbf70ff52b59208586095f467656c30/jul-to-slf4j-1.7.30.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.springframework/spring-jcl/5.2.8.RELEASE/e18b8dea088cc58fad8fc25ee93f22987dd05d94/spring-jcl-5.2.8.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.springframework.data/spring-data-commons/2.3.3.RELEASE/a59b128d4ab6d227ac882be655a4e70343d8faf0/spring-data-commons-2.3.3.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/io.netty/netty-codec/4.1.51.Final/69b830d381b64e988632561d823b53f783efe9c5/netty-codec-4.1.51.Final.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/io.netty/netty-resolver/4.1.51.Final/47c0b7a0e0faf059d5b8c58b64d78b8f2cfc0463/netty-resolver-4.1.51.Final.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/io.netty/netty-buffer/4.1.51.Final/2f4efc2ed376b46f4eb27f9405fa5a32a3695177/netty-buffer-4.1.51.Final.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.reactivestreams/reactive-streams/1.0.3/d9fb7a7926ffa635b3dcaa5049fb2bfa25b3e7d0/reactive-streams-1.0.3.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/com.baomidou/mybatis-plus-annotation/3.4.0/f2ef819c296ac832b646a7bb569bd0ed2927c932/mybatis-plus-annotation-3.4.0.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/com.github.jsqlparser/jsqlparser/3.2/cdb6b01b5ef2a803519ddd17ef6b5e2449fc21bd/jsqlparser-3.2.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.mybatis/mybatis/3.5.5/1c8974cdec88c9259b6fa21147ea4538216e447/mybatis-3.5.5.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/io.github.classgraph/classgraph/4.8.83/7be289f451cedf9e35ed97caba3953226b4e6d9/classgraph-4.8.83.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/net.bytebuddy/byte-buddy/1.10.14/5288bd154aa7bc8ea81a658f60a790f646025832/byte-buddy-1.10.14.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/ch.qos.logback/logback-core/1.2.3/864344400c3d4d92dfeb0a305dc87d953677c03c/logback-core-1.2.3.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.apache.logging.log4j/log4j-api/2.13.3/ec1508160b93d274b1add34419b897bae84c6ca9/log4j-api-2.13.3.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-devtools/2.3.3.RELEASE/a323e960cae4f5c351a468c0502728e97f4d3183/spring-boot-devtools-2.3.3.RELEASE.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/mysql/mysql-connector-java/8.0.21/53fd3a0887667aae7e40a3439fff2d03d93ec4c2/mysql-connector-java-8.0.21.jar:/Users/lijiao/.gradle/caches/modules-2/files-2.1/org.mapstruct/mapstruct/1.3.1.Final/6ab184bbc7a7029738277a244e4c535fcdc3f558/mapstruct-1.3.1.Final.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar com.liuyang19900520.layman.starter.LaymanStarterApplication
OpenJDK 64-Bit Server VM warning: Options -Xverify:none and -noverify were deprecated in JDK 13 and will likely be removed in a future release.
Connected to the target VM, address: '127.0.0.1:49266', transport: 'socket'
OpenJDK 64-Bit Server VM warning: Sharing is only supported for boot loader classes because bootstrap classpath has been appended
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.3.3.RELEASE)
2020-11-27 15:31:19.366 INFO 22777 --- [ restartedMain] c.l.l.starter.LaymanStarterApplication : Starting LaymanStarterApplication on LiJiaodeMacBook-Pro.local with PID 22777 (/Users/lijiao/IdeaProjects/layman-starter/build/classes/java/main started by lijiao in /Users/lijiao/IdeaProjects/layman-starter)
2020-11-27 15:31:19.368 DEBUG 22777 --- [ restartedMain] c.l.l.starter.LaymanStarterApplication : Running with Spring Boot v2.3.3.RELEASE, Spring v5.2.8.RELEASE
2020-11-27 15:31:19.368 INFO 22777 --- [ restartedMain] c.l.l.starter.LaymanStarterApplication : The following profiles are active: local
2020-11-27 15:31:19.401 INFO 22777 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : Devtools property defaults active! Set 'spring.devtools.add-properties' to 'false' to disable
2020-11-27 15:31:19.402 INFO 22777 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : For additional web related logging consider setting the 'logging.level.web' property to 'DEBUG'
2020-11-27 15:31:20.053 INFO 22777 --- [ restartedMain] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode!
2020-11-27 15:31:20.055 INFO 22777 --- [ restartedMain] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data Redis repositories in DEFAULT mode.
2020-11-27 15:31:20.083 INFO 22777 --- [ restartedMain] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 20ms. Found 0 Redis repository interfaces.
2020-11-27 15:31:20.394 INFO 22777 --- [ restartedMain] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.security.access.expression.method.DefaultMethodSecurityExpressionHandler@49e4e459' of type [org.springframework.security.access.expression.method.DefaultMethodSecurityExpressionHandler] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2020-11-27 15:31:20.400 INFO 22777 --- [ restartedMain] trationDelegate$BeanPostProcessorChecker : Bean 'methodSecurityMetadataSource' of type [org.springframework.security.access.method.DelegatingMethodSecurityMetadataSource] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2020-11-27 15:31:20.660 INFO 22777 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
2020-11-27 15:31:20.666 INFO 22777 --- [ restartedMain] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2020-11-27 15:31:20.667 INFO 22777 --- [ restartedMain] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.37]
2020-11-27 15:31:20.727 INFO 22777 --- [ restartedMain] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2020-11-27 15:31:20.727 INFO 22777 --- [ restartedMain] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1325 ms
2020-11-27 15:31:20.768 ERROR 22777 --- [ restartedMain] o.s.b.web.embedded.tomcat.TomcatStarter : Error starting Tomcat context. Exception: org.springframework.beans.factory.UnsatisfiedDependencyException. Message: Error creating bean with name 'jwtAuthenticationTokenFilter': Unsatisfied dependency expressed through field 'userDetailsService'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'securityConfig': Unsatisfied dependency expressed through method 'setContentNegotationStrategy' parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'laymanJacksonWebConfig': Unsatisfied dependency expressed through field 'requestMappingHandlerAdapter'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'requestMappingHandlerAdapter' defined in class path resource [com/liuyang19900520/layman/starter/common/json/config/LaymanJacksonWebConfig.class]: Unsatisfied dependency expressed through method 'requestMappingHandlerAdapter' parameter 0; nested exception is org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'mvcContentNegotiationManager': Requested bean is currently in creation: Is there an unresolvable circular reference?
2020-11-27 15:31:20.783 INFO 22777 --- [ restartedMain] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
2020-11-27 15:31:20.789 WARN 22777 --- [ restartedMain] ConfigServletWebServerApplicationContext : 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
2020-11-27 15:31:20.797 INFO 22777 --- [ restartedMain] ConditionEvaluationReportLoggingListener :
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2020-11-27 15:31:20.803 ERROR 22777 --- [ restartedMain] o.s.boot.SpringApplication : 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:161)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:545)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:143)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:758)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:750)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1237)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226)
at com.liuyang19900520.layman.starter.LaymanStarterApplication.main(LaymanStarterApplication.java:17)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)
Caused by: org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:142)
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:104)
at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:437)
at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:191)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:178)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:158)
... 14 common frames omitted
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'jwtAuthenticationTokenFilter': Unsatisfied dependency expressed through field 'userDetailsService'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'securityConfig': Unsatisfied dependency expressed through method 'setContentNegotationStrategy' parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'laymanJacksonWebConfig': Unsatisfied dependency expressed through field 'requestMappingHandlerAdapter'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'requestMappingHandlerAdapter' defined in class path resource [com/liuyang19900520/layman/starter/common/json/config/LaymanJacksonWebConfig.class]: Unsatisfied dependency expressed through method 'requestMappingHandlerAdapter' parameter 0; nested exception is org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'mvcContentNegotiationManager': Requested bean is currently in creation: Is there an unresolvable circular reference?
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:643)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:130)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:399)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1420)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:226)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:207)
at org.springframework.boot.web.servlet.ServletContextInitializerBeans.getOrderedBeansOfType(ServletContextInitializerBeans.java:211)
at org.springframework.boot.web.servlet.ServletContextInitializerBeans.addAsRegistrationBean(ServletContextInitializerBeans.java:174)
at org.springframework.boot.web.servlet.ServletContextInitializerBeans.addAsRegistrationBean(ServletContextInitializerBeans.java:169)
at org.springframework.boot.web.servlet.ServletContextInitializerBeans.addAdaptableBeans(ServletContextInitializerBeans.java:154)
at org.springframework.boot.web.servlet.ServletContextInitializerBeans.<init>(ServletContextInitializerBeans.java:86)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.getServletContextInitializerBeans(ServletWebServerApplicationContext.java:255)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.selfInitialize(ServletWebServerApplicationContext.java:229)
at org.springframework.boot.web.embedded.tomcat.TomcatStarter.onStartup(TomcatStarter.java:53)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5128)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374)
at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374)
at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:930)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.startup.Tomcat.start(Tomcat.java:486)
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:123)
... 19 common frames omitted
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'securityConfig': Unsatisfied dependency expressed through method 'setContentNegotationStrategy' parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'laymanJacksonWebConfig': Unsatisfied dependency expressed through field 'requestMappingHandlerAdapter'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'requestMappingHandlerAdapter' defined in class path resource [com/liuyang19900520/layman/starter/common/json/config/LaymanJacksonWebConfig.class]: Unsatisfied dependency expressed through method 'requestMappingHandlerAdapter' parameter 0; nested exception is org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'mvcContentNegotiationManager': Requested bean is currently in creation: Is there an unresolvable circular reference?
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredMethodElement.inject(AutowiredAnnotationBeanPostProcessor.java:723)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:130)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:399)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1420)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:226)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:408)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1336)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1176)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:556)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:226)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1307)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1227)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:640)
... 62 common frames omitted
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'laymanJacksonWebConfig': Unsatisfied dependency expressed through field 'requestMappingHandlerAdapter'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'requestMappingHandlerAdapter' defined in class path resource [com/liuyang19900520/layman/starter/common/json/config/LaymanJacksonWebConfig.class]: Unsatisfied dependency expressed through method 'requestMappingHandlerAdapter' parameter 0; nested exception is org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'mvcContentNegotiationManager': Requested bean is currently in creation: Is there an unresolvable circular reference?
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:643)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:130)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:399)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1420)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:226)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:408)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1336)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1176)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:556)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:226)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1307)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1227)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredMethodElement.inject(AutowiredAnnotationBeanPostProcessor.java:715)
... 84 common frames omitted
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'requestMappingHandlerAdapter' defined in class path resource [com/liuyang19900520/layman/starter/common/json/config/LaymanJacksonWebConfig.class]: Unsatisfied dependency expressed through method 'requestMappingHandlerAdapter' parameter 0; nested exception is org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'mvcContentNegotiationManager': Requested bean is currently in creation: Is there an unresolvable circular reference?
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:797)
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:538)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1336)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1176)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:556)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:226)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1307)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1227)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:640)
... 106 common frames omitted
Caused by: org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'mvcContentNegotiationManager': Requested bean is currently in creation: Is there an unresolvable circular reference?
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.beforeSingletonCreation(DefaultSingletonBeanRegistry.java:347)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:219)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1307)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1227)
at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:884)
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:788)
... 119 common frames omitted
Disconnected from the target VM, address: '127.0.0.1:49266', transport: 'socket'
Process finished with exit code 0
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Caused by: org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'mvcContentNegotiationManager': Requested bean is currently in creation: Is there an unresolvable circular reference?
我的理解是，在创建mvcContentNegotiationManager这个bean的时候，发生了循环引用。而这个bean又不是我自己定义的，是spirng提供的。 关于Spring循环引用的事还真是听说过，没见过，所以还是抄一抄。
# 定位
代码一路走来都没什么问题，就在我为LaymanSecurityConfig配置一个JwtAuthenticationTokenFilter的时候发生了这种事。同时通过错误信息我们可以发现laymanJacksonWebConfig创建时也同样出现了错误。所以我简单的进行了验证，上述二者注释掉一个的时候，程序就能够顺利启动，如果同时配置，就会报错。
于是我找到了报错的地点，具体看一下状态
简单的看到这个异常的意义大概就是说，这个bean已经在创建中了，我们也发现在创建list中也确实存在mvcContentNegotiationManager这个类。到现在为止问题大概有一个理解，可能是JwtAuthenticationTokenFilter和LaymanSecurityConfig进行配置时，都需要依赖mvcContentNegotiationManager，并且这个需要的时间点，是并没有完成bean的创建时发生的，如果只调查循环引用的话，可能没有办法及时找到修正方法，于是我们需要更深入的了解一下。
# 调查
# 错误的分析
看到上面博客的分析，我感觉我个人的情况应该是构造方法造成的循环引用，只能修正为setter方法来进行配置。于是我尝试了下面的方式
@Autowired
public void setRequestMappingHandlerAdapter(RequestMappingHandlerAdapter requestMappingHandlerAdapter) {
this.requestMappingHandlerAdapter = requestMappingHandlerAdapter;
}
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事实上这并没有什么用，其实从效果上看，我们将@Autowired注解设置到属性上的时候，我们可以写，也可以不写setter来进行注入，至于为什么写了@Autowired就不需要setter的原因，可参见：
根据上面修改方法的思路，我决定采用xml方式来配置我们的LaymanJacksonWebConfig方法，并且将requestMappingHandlerAdapter以参数的方式进行注入。 于是有了下面这种毫无意义的改法
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">
<context:annotation-config/>
<bean id="laymanJacksonWebConfig"
class="com.liuyang19900520.layman.starter.common.json.config.LaymanJacksonWebConfig">
<!-- setter injection using the nested ref element -->
<property name="requestMappingHandlerAdapter">
<ref bean="requestMappingHandlerAdapter"/>
</property>
</bean>
<bean id="requestMappingHandlerAdapter"
class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"/>
</beans>
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然后在java的代码上添加上注解，@ImportResource("classpath:layman-starter-spring.xml")。
Consider renaming one of the beans or enabling overriding by setting 之后我们会出现上述错误，然后在我在配置文件中又添加了
main:
allow-bean-definition-overriding: true #当遇到同样名字的时候，是否允许覆盖注册
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能出现时上面的情况，主要是我在写的过程中，没有删除掉原来javaConfig的注解，于是才产生了覆盖错误。碰巧这个时间点，xml中setter中配置的requestMappingHandlerAdapter创建完成，又被javaConfig中@Autowired的RequestMappingHandlerAdapter给覆盖，让我们的这个注解的配置实现了功能。所以当我们去掉注解，按照正常的xml方式进行配置的时候，这个注解依旧是不好使的，因为我恩没有对requestMappingHandlerAdapter进行修改和覆盖。
# 发现错误
我们出现的错误信息是，mvcContentNegotiationManager这个类出现了重复引用的情况。而这个mvcContentNegotiationManager，应该是我们最初通过@Autowired来注入的requestMappingHandlerAdapter的依赖，requestMappingHandlerAdapter的依赖注入方式由constructor改为setter，怎么会影响mvcContentNegotiationManager呢？这显然是不合理的。于是我将xml的注入方式，有setter又改成了constructor，不出所料，还是可以正常实现功能。这样看来，就出现在了RequestMappingHandlerAdapter这个bean创建的时间点了。 找到了原因的同时，我们也尝试出了一个简单的解决办法，就是不等SpringMVC去实例化requestMappingHandlerAdapter，我们自己通过实例化来获得即可。
# 解决办法
搞了这么久，其实就是自己主动创建requestMappingHandlerAdapter即可。这个解决办法，的确有些太简单了。
# 一个彩蛋
解决了上面所以循环依赖的错误之后，我们才真正迎来了一个看起来是循环依赖的问题。我们看一下下面的代码。
@Slf4j
public class JwtAuthenticationTokenFilter extends OncePerRequestFilter {
@Autowired
private UserDetailsService userDetailsService;
@Autowired
private JwtTokenUtil jwtTokenUtil;
@Value("${jwt.tokenHeader}")
private String tokenHeader;
@Value("${jwt.tokenHead}")
private String tokenHead;
…………
…………
}
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public class LaymanSecurityConfig extends WebSecurityConfigurerAdapter {
// @Autowired(required = false)
// private DynamicSecurityService dynamicSecurityService;
@Autowired(required = false)
IgnoreUrlsConfig ignoreUrlsConfig;
@Autowired
PasswordEncoder passwordEncoder;
@Autowired
JwtAuthenticationTokenFilter jwtAuthenticationTokenFilter;
…………
…………
@Bean
public JwtAuthenticationTokenFilter jwtAuthenticationTokenFilter() {
return new JwtAuthenticationTokenFilter();
}
@Bean
public JwtTokenUtil jwtTokenUtil() {
return new JwtTokenUtil();
}
…………
…………
}
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我们的上面两个类，其中我们发现JwtAuthenticationTokenFilter的Bean创建，需要依赖奔雷中的JwtTokenUtil，这样就产生了真正意义上的循环依赖。 其实这里面我们可以做一些结构就可以，比如将jwtAuthenticationTokenFilter的创建从该类中移除即可。
截至到现在，我们应该已经解决了一个很小的问题。