Jackson 注解 JsonFormat$Value json java.lang.NoSuchMethodError
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Hymanson annotation JsonFormat$Value json java.lang.NoSuchMethodError
提问by Akash Raveendran
I am using com.fasterxml.Hymanson.core:Hymanson-annotations:2.6.0in my gradle project. Since adding com.fasterxml.Hymanson.datatype:Hymanson-datatype-jsr310:2.6.0to my project build file I have been getting this exception while running my gradle project. Here is the stack trace of my error.
我com.fasterxml.Hymanson.core:Hymanson-annotations:2.6.0在我的 gradle 项目中使用。自从添加com.fasterxml.Hymanson.datatype:Hymanson-datatype-jsr310:2.6.0到我的项目构建文件后，我在运行我的 gradle 项目时遇到了这个异常。这是我的错误的堆栈跟踪。
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter]: Constructor threw exception; nested exception is java.lang.NoSuchMethodError: com.fasterxml.Hymanson.annotation.JsonFormat$Value.empty()Lcom/fasterxml/Hymanson/annotation/JsonFormat$Value; at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:163) at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:89) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1098) ... 117 more Caused by: java.lang.NoSuchMethodError: com.fasterxml.Hymanson.annotation.JsonFormat$Value.empty()Lcom/fasterxml/Hymanson/annotation/JsonFormat$Value; at com.fasterxml.Hymanson.databind.cfg.MapperConfig.(MapperConfig.java:50) at com.fasterxml.Hymanson.databind.ObjectMapper.(ObjectMapper.java:535) at com.fasterxml.Hymanson.databind.ObjectMapper.(ObjectMapper.java:452) at org.springframework.http.converter.json.Hymanson2ObjectMapperBuilder.build(Hymanson2ObjectMapperBuilder.java:553) at org.springframework.http.converter.json.MappingHymanson2HttpMessageConverter.(MappingHymanson2HttpMessageConverter.java:57) at org.springframework.http.converter.support.AllEncompassingFormHttpMessageConverter.(AllEncompassingFormHttpMessageConverter.java:61) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.(RequestMappingHandlerAdapter.java:187) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:422) at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:147) ... 119 more Nested in org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter': Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter]: Constructor threw exception; nested exception is java.lang.NoSuchMethodError: com.fasterxml.Hymanson.annotation.JsonFormat$Value.empty()Lcom/fasterxml/Hymanson/annotation/JsonFormat$Value;: java.lang.NoSuchMethodError: com.fasterxml.Hymanson.annotation.JsonFormat$Value.empty()Lcom/fasterxml/Hymanson/annotation/JsonFormat$Value; at com.fasterxml.Hymanson.databind.cfg.MapperConfig.(MapperConfig.java:50) at com.fasterxml.Hymanson.databind.ObjectMapper.(ObjectMapper.java:535) at com.fasterxml.Hymanson.databind.ObjectMapper.(ObjectMapper.java:452) at org.springframework.http.converter.json.Hymanson2ObjectMapperBuilder.build(Hymanson2ObjectMapperBuilder.java:553) at org.springframework.http.converter.json.MappingHymanson2HttpMessageConverter.(MappingHymanson2HttpMessageConverter.java:57) at org.springframework.http.converter.support.AllEncompassingFormHttpMessageConverter.(AllEncompassingFormHttpMessageConverter.java:61) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.(RequestMappingHandlerAdapter.java:187) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:422) at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:147) at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:89) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1098) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1050) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:772) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:839) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:538) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:446) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:328) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107) at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java:548) at org.mortbay.jetty.servlet.Context.startContext(Context.java:136) at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1272) at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517) at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:489) at org.gradle.api.plugins.jetty.internal.JettyPluginWebAppContext.doStart(JettyPluginWebAppContext.java:112) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152) at org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:156) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) at org.mortbay.jetty.Server.doStart(Server.java:224) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) at org.gradle.api.plugins.jetty.internal.Jetty6PluginServer.start(Jetty6PluginServer.java:111) at org.gradle.api.plugins.jetty.AbstractJettyRunTask.startJettyInternal(AbstractJettyRunTask.java:238) at org.gradle.api.plugins.jetty.AbstractJettyRunTask.startJetty(AbstractJettyRunTask.java:191) at org.gradle.api.plugins.jetty.AbstractJettyRunTask.start(AbstractJettyRunTask.java:162) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:75) at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.doExecute(AnnotationProcessingTaskFactory.java:227) at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:220) at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:209) at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:585) at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:568) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:80) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:61) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46) at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:35) at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:64) at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58) at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:52) at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52) at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:53) at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43) at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:203) at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:185) at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:66) at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:50) at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor.process(DefaultTaskPlanExecutor.java:25) at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:110) at org.gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:37) at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:37) at org.gradle.execution.DefaultBuildExecuter.access$000(DefaultBuildExecuter.java:23) at org.gradle.execution.DefaultBuildExecuter$1.proceed(DefaultBuildExecuter.java:43) at org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:32) at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:37) at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:30) at org.gradle.initialization.DefaultGradleLauncher$4.run(DefaultGradleLauncher.java:154) at org.gradle.internal.Factories$1.create(Factories.java:22) at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:90) at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:52) at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:151) at org.gradle.initialization.DefaultGradleLauncher.access$200(DefaultGradleLauncher.java:32) at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:99) at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:93) at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:90) at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:62) at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:93) at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:82) at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:94) at org.gradle.tooling.internal.provider.runner.BuildModelActionRunner.run(BuildModelActionRunner.java:46) at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35) at org.gradle.tooling.internal.provider.runner.SubscribableBuildActionRunner.run(SubscribableBuildActionRunner.java:58) at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35) at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:43) at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:28) at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:75) at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:45) at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:52) at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36) at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120) at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:37) at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120) at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:26) at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120) at org.gradle.launcher.daemon.server.exec.RequestStopIfSingleUsedDaemon.execute(RequestStopIfSingleUsedDaemon.java:34) at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120) at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:74) at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:72) at org.gradle.util.Swapper.swap(Swapper.java:38) at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:72) at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120) at org.gradle.launcher.daemon.server.health.DaemonHealthTracker.execute(DaemonHealthTracker.java:47) at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120) at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:66) at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36) at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120) at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:72) at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36) at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120) at org.gradle.launcher.daemon.server.health.HintGCAfterBuild.execute(HintGCAfterBuild.java:41) at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120) at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:50) at org.gradle.launcher.daemon.server.DaemonStateCoordinator$1.run(DaemonStateCoordinator.java:246) at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:54) at org.gradle.internal.concurrent.StoppableExecutorImpl$1.run(StoppableExecutorImpl.java:40) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745)
引起：org.springframework.beans.BeanInstantiationException：无法实例化[org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter]：构造函数抛出异常；嵌套异常是 java.lang.NoSuchMethodError: com.fasterxml.Hymanson.annotation.JsonFormat$Value.empty()Lcom/fasterxml/Hymanson/annotation/JsonFormat$Value; 在 org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:163) 在 org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:89) 在 org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory .instantiateBean(AbstractAutowireCapableBeanFactory.java:1098) ... 117 更多 引起：java.lang.NoSuchMethodError：com.fasterxml.Hymanson.annotation.JsonFormat$Value。empty()Lcom/fasterxml/Hymanson/annotation/JsonFormat$Value; 在 com.fasterxml.Hymanson.databind.cfg.MapperConfig.(MapperConfig.java:50) 在 com.fasterxml.Hymanson.databind.ObjectMapper.(ObjectMapper.java:535) 在 com.fasterxml.Hymanson.databind.ObjectMapper.( ObjectMapper.java:452) at org.springframework.http.converter.json.Hymanson2ObjectMapperBuilder.build(Hymanson2ObjectMapperBuilder.java:553) at org.springframework.http.converter.json.MappingHymanson2HttpMessageConverter.(MappingHymanson2HttpMessageConverter.java.57) springframework.http.converter.support.AllEncompassingFormHttpMessageConverter.(AllEncompassingFormHttpMessageConverter.java:61) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.(RequestMappingHandlerAdapter.java:187) at sun.reflect. NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.ConstructorImpl.java:45) java:422) at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:147) ... 119 嵌套在 org.springframework.beans.factory.BeanCreationException：创建名为 'org.springframework.web 的 bean 时出错。 servlet.mvc.method.annotation.RequestMappingHandlerAdapter'：bean 实例化失败；嵌套异常是 org.springframework.beans.BeanInstantiationException：无法实例化 [org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter]：构造函数抛出异常；嵌套异常是 java.lang.NoSuchMethodError: com.fasterxml.Hymanson.annotation.JsonFormat$Value.empty()Lcom/fasterxml/Hymanson/annotation/JsonFormat$Value;: java.lang.NoSuchMethodError: com.fasterxml.Hymanson.annotation .JsonFormat$Value.empty()Lcom/fasterxml/Hymanson/annotation/JsonFormat$Value; 在 com.fasterxml.Hymanson.databind.cfg.MapperConfig.(MapperConfig.java:50) 在 com.fasterxml.Hymanson.databind.ObjectMapper.(ObjectMapper.java:535) 在 com.fasterxml.Hymanson.databind.ObjectMapper.( ObjectMapper.java:452) at org.springframework.http.converter.json.Hymanson2ObjectMapperBuilder.build(Hymanson2ObjectMapperBuilder.java:553) at org.springframework.http.converter.json.MappingHymanson2HttpMessageConverter.(MappingHymanson2HttpMessageConverter.java.57) springframework.http。
I have used not used @JsonFormatin my class. But I do have JsonSerializerand JsonDeserializerannotations using two classes for serializing and deserializing my ZonedDateTimeto and from Json in UTC. I am doing this Serialization and deserialization for first time so please give any suggestions.
我用过没有@JsonFormat在我的课上用过。但我有JsonSerializer和JsonDeserializer使用两个类序列化和反序列化我的注释ZonedDateTime，并从Json的UTC时间。我是第一次做这个序列化和反序列化，所以请给出任何建议。
Here is my gradle file code:
这是我的 gradle 文件代码：
apply plugin: 'java' apply plugin: 'eclipse' apply plugin: 'jetty' apply plugin: 'maven' apply plugin: 'war'
ext { springVersion = "4.2.4.RELEASE" springSecurityVersion = "4.0.3.RELEASE" }
repositories { mavenLocal() mavenCentral()
/* maven {
url "http://repo.typesafe.com/typesafe/releases/"
} */ }
configurations.all { exclude group: "commons-logging", module: "commons-logging" exclude group: "log4j", module: "log4j" }
dependencies { compile 'org.slf4j:jcl-over-slf4j:1.7.12' compile 'ch.qos.logback:logback-classic:1.1.3' compile "org.springframework:spring-core:$springVersion" compile "org.springframework:spring-context:$springVersion"
compile ("org.springframework:spring-web:$springVersion"){
exclude group: "com.fasterxml.Hymanson.core" } compile ("org.springframework:spring-webmvc:$springVersion"){
exclude group: "com.fasterxml.Hymanson.core" } compile "org.springframework:spring-orm:$springVersion" compile "org.springframework.security:spring-security-web:$springSecurityVersion" compile "org.springframework.security:spring-security-config:$springSecurityVersion"
compile "org.aspectj:aspectjrt:1.7.4"
compile "org.hibernate:hibernate-core:4.3.6.Final" compile "org.hibernate:hibernate-entitymanager:4.3.6.Final" compile "javax.servlet:javax.servlet-api:3.1.0" compile "org.javassist:javassist:3.15.0-GA" compile "mysql:mysql-connector-java:5.1.31"
compile "org.hsqldb:hsqldb:2.3.2"
compile "commons-dbcp:commons-dbcp:1.2.2" compile "org.apache.commons:commons-lang3:3.4" compile 'com.fasterxml.Hymanson.core:Hymanson-annotations:2.7.0' compile 'com.fasterxml.Hymanson.core:Hymanson-core:2.7.0' compile 'com.fasterxml.Hymanson.core:Hymanson-databind:2.7.0' compile 'com.fasterxml.Hymanson.datatype:Hymanson-datatype-jsr310:2.7.0'
compile "net.sf.ehcache:ehcache-core:2.6.9" compile "org.hibernate:hibernate-ehcache:4.3.5.Final" compile "com.h2database:h2:1.4.177" compile "com.google.code.gson:gson:2.6.2"
testCompile ("junit:junit:4.12"){
exclude group: "org.hamcrest" } testCompile "org.springframework:spring-test:$springVersion" testCompile "org.easetech:easytest-core:1.4.0" testCompile "org.mockito:mockito-core:1.9.5" testCompile "org.hamcrest:hamcrest-all:1.3" testCompile "com.jayway.jsonpath:json-path:2.2.0" testCompile "com.jayway.jsonpath:json-path-assert:2.2.0"
testRuntime "org.hsqldb:hsqldb:2.3.2" }
采纳答案by Akash Raveendran
I cleared up my issue when I just tried running task - gradle clean. I think some old project dependencies were lingering around till now. It was just a matter of cleaning the project. The project works fine now. :)
当我尝试运行任务时，我解决了我的问题 - gradle clean。我认为一些旧的项目依赖关系一直存在到现在。这只是清理项目的问题。该项目现在工作正常。:)
回答by Be?at Bermejo
Check your project dependencies. You might be using incompatible library versions. The version 2.7 has the method empty() and the version 2.6 not.
检查您的项目依赖项。您可能使用了不兼容的库版本。2.7 版有方法 empty() 而 2.6 版没有。
Try to upgrade to version 2.7.
尝试升级到 2.7 版。
回答by John Chesshir
This is an alternative solution to the ones already given by @Be?atBermejo and @AkashRaveendran above. I'm glad Akash was able to get his system to work merely by cleaning up his environment, but I found that to be insufficient in my case.
这是上面@Be?atBermejo 和@AkashRaveendran 已经给出的解决方案的替代解决方案。我很高兴 Akash 能够仅仅通过清理他的环境来让他的系统工作，但我发现这对我来说是不够的。
The error was coming from Hymanson-databind, which I had in my pom as version 2.8.1. However, since I also have Spring involved, the Hymanson-databind dependencies, namely Hymanson-core, were still at 2.6.6.
错误来自 Hymanson-databind，我的 pom 版本为 2.8.1。但是，由于我也涉及 Spring，因此 Hymanson-databind 依赖项，即 Hymanson-core，仍为 2.6.6。
All I had to do was remove the version specifier in my Hymanson-databind dependency. When I did that, Maven used the version named by Spring, 2.6.6, instead, which did not include the call to the JsonFormat$Value.empty().
我所要做的就是删除 Hymanson-databind 依赖项中的版本说明符。当我这样做时，Maven 使用 Spring 命名的版本 2.6.6，而不包括对 JsonFormat$Value.empty() 的调用。
If you need some Hymanson 2.7+ functionality, you can try specifying the higher version of Hymanson-core and any other dependencies of the Hymanson artifact you are trying to use.
如果您需要一些 Hymanson 2.7+ 功能，您可以尝试指定更高版本的 Hymanson-core 以及您尝试使用的 Hymanson artifact 的任何其他依赖项。
However, with Spring involved, I would either see if you can get by with the lower Hymanson version it names, or see if Spring may have released a new version that includes the newer Hymanson libraries. Overriding Spring's dependency structure undermines one of the biggest reasons for using Spring in the first place: You get a more fully tested set of interrelated dependencies to build on right out of the box.
但是，在涉及 Spring 的情况下，我会看看您是否可以使用它命名的较低 Hymanson 版本，或者看看 Spring 是否发布了包含较新 Hymanson 库的新版本。覆盖 Spring 的依赖关系结构破坏了首先使用 Spring 的最大原因之一：您将获得一组经过更全面测试的相关依赖关系，可以开箱即用地构建。
