Hi Zoran,

where do I have to put the validation mode setting, property of the pom,
application.yml or as an environment variable? I tried all three but I still
get the same error.

The log ouptut related to the failure is:

Exception encountered during context initialization - cancelling refresh
attempt: org.springframework.beans.factory.UnsatisfiedDependencyException:
Error creating bean with name 'methodValidationPostProcessor' defined in
class path resource
[org/springframework/boot/autoconfigure/validation/ValidationAutoConfiguration.class]:
Unsatisfied dependency expressed through method
'methodValidationPostProcessor' parameter 0; nested exception is
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'jsr303Validator' defined in class path resource
[org/springframework/boot/autoconfigure/validation/ValidationAutoConfiguration.class]:
Bean instantiation via factory method failed; nested exception is
org.springframework.beans.BeanInstantiationException: Failed to instantiate
[javax.validation.Validator]: Factory method 'jsr303Validator' threw
exception; nested exception is java.lang.NoClassDefFoundError: Could not
initialize class org.hibernate.validator.internal.engine.ConfigurationImpl


And to be really verbose...the complete stack trace...

2017-04-19 15:02:49.179  INFO 222576 --- [           main]
ationConfigEmbeddedWebApplicationContext : Refreshing
org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@6e083721:
startup date [Wed Apr 19 15:02:49 CEST 2017]; root of context hierarchy
2017-04-19 15:02:51.425  WARN 222576 --- [           main]
ationConfigEmbeddedWebApplicationContext : Exception encountered during
context initialization - cancelling refresh attempt:
org.springframework.beans.factory.UnsatisfiedDependencyException: Error
creating bean with name 'methodValidationPostProcessor' defined in class
path resource
[org/springframework/boot/autoconfigure/validation/ValidationAutoConfiguration.class]:
Unsatisfied dependency expressed through method
'methodValidationPostProcessor' parameter 0; nested exception is
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'jsr303Validator' defined in class path resource
[org/springframework/boot/autoconfigure/validation/ValidationAutoConfiguration.class]:
Bean instantiation via factory method failed; nested exception is
org.springframework.beans.BeanInstantiationException: Failed to instantiate
[javax.validation.Validator]: Factory method 'jsr303Validator' threw
exception; nested exception is java.lang.NoClassDefFoundError: Could not
initialize class org.hibernate.validator.internal.engine.ConfigurationImpl
2017-04-19 15:02:51.441 ERROR 222576 --- [           main]
o.s.b.f.s.DefaultListableBeanFactory     : Destroy method on bean with name
'org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor'
threw an exception

java.lang.IllegalStateException: ApplicationEventMulticaster not initialized
- call 'refresh' before multicasting events via the context:
org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@6e083721:
startup date [Wed Apr 19 15:02:49 CEST 2017]; root of context hierarchy
        at
org.springframework.context.support.AbstractApplicationContext.getApplicationEventMulticaster(AbstractApplicationContext.java:404)
[spring-context-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.context.support.ApplicationListenerDetector.postProcessBeforeDestruction(ApplicationListenerDetector.java:97)
~[spring-context-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:253)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:578)
[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:554)
[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:961)
[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:523)
[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:968)
[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1033)
[spring-context-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:555)
[spring-context-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122)
[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at
org.springframework.boot.SpringApplication.refresh(SpringApplication.java:737)
[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at
org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:370)
[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at
org.springframework.boot.SpringApplication.run(SpringApplication.java:314)
[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1162)
[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1151)
[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at sample.camel.Application.main(Application.java:19) [classes/:na]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
~[na:1.8.0_112]
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
~[na:1.8.0_112]
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
~[na:1.8.0_112]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_112]
        at
org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run(AbstractRunMojo.java:527)
[spring-boot-maven-plugin-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_112]

2017-04-19 15:02:51.442 ERROR 222576 --- [           main]
o.s.b.f.s.DefaultListableBeanFactory     : Destroy method on bean with name
'org.springframework.boot.autoconfigure.internalCachingMetadataReaderFactory'
threw an exception

java.lang.IllegalStateException: ApplicationEventMulticaster not initialized
- call 'refresh' before multicasting events via the context:
org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@6e083721:
startup date [Wed Apr 19 15:02:49 CEST 2017]; root of context hierarchy
        at
org.springframework.context.support.AbstractApplicationContext.getApplicationEventMulticaster(AbstractApplicationContext.java:404)
[spring-context-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.context.support.ApplicationListenerDetector.postProcessBeforeDestruction(ApplicationListenerDetector.java:97)
~[spring-context-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:253)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:578)
[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:554)
[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:961)
[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:523)
[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:968)
[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1033)
[spring-context-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:555)
[spring-context-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122)
[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at
org.springframework.boot.SpringApplication.refresh(SpringApplication.java:737)
[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at
org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:370)
[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at
org.springframework.boot.SpringApplication.run(SpringApplication.java:314)
[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1162)
[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1151)
[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at sample.camel.Application.main(Application.java:19) [classes/:na]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
~[na:1.8.0_112]
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
~[na:1.8.0_112]
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
~[na:1.8.0_112]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_112]
        at
org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run(AbstractRunMojo.java:527)
[spring-boot-maven-plugin-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_112]

2017-04-19 15:02:51.455 ERROR 222576 --- [           main]
o.s.boot.SpringApplication               : Application startup failed

org.springframework.beans.factory.UnsatisfiedDependencyException: Error
creating bean with name 'methodValidationPostProcessor' defined in class
path resource
[org/springframework/boot/autoconfigure/validation/ValidationAutoConfiguration.class]:
Unsatisfied dependency expressed through method
'methodValidationPostProcessor' parameter 0; nested exception is
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'jsr303Validator' defined in class path resource
[org/springframework/boot/autoconfigure/validation/ValidationAutoConfiguration.class]:
Bean instantiation via factory method failed; nested exception is
org.springframework.beans.BeanInstantiationException: Failed to instantiate
[javax.validation.Validator]: Factory method 'jsr303Validator' threw
exception; nested exception is java.lang.NoClassDefFoundError: Could not
initialize class org.hibernate.validator.internal.engine.ConfigurationImpl
        at
org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:749)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:467)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1173)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1067)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.context.support.PostProcessorRegistrationDelegate.registerBeanPostProcessors(PostProcessorRegistrationDelegate.java:223)
~[spring-context-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:702)
~[spring-context-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:527)
~[spring-context-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122)
~[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at
org.springframework.boot.SpringApplication.refresh(SpringApplication.java:737)
[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at
org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:370)
[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at
org.springframework.boot.SpringApplication.run(SpringApplication.java:314)
[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1162)
[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1151)
[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at sample.camel.Application.main(Application.java:19) [classes/:na]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
~[na:1.8.0_112]
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
~[na:1.8.0_112]
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
~[na:1.8.0_112]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_112]
        at
org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run(AbstractRunMojo.java:527)
[spring-boot-maven-plugin-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_112]
Caused by: org.springframework.beans.factory.BeanCreationException: Error
creating bean with name 'jsr303Validator' defined in class path resource
[org/springframework/boot/autoconfigure/validation/ValidationAutoConfiguration.class]:
Bean instantiation via factory method failed; nested exception is
org.springframework.beans.BeanInstantiationException: Failed to instantiate
[javax.validation.Validator]: Factory method 'jsr303Validator' threw
exception; nested exception is java.lang.NoClassDefFoundError: Could not
initialize class org.hibernate.validator.internal.engine.ConfigurationImpl
        at
org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:599)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1173)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1067)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:208)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1138)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:835)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:741)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        ... 25 common frames omitted
Caused by: org.springframework.beans.BeanInstantiationException: Failed to
instantiate [javax.validation.Validator]: Factory method 'jsr303Validator'
threw exception; nested exception is java.lang.NoClassDefFoundError: Could
not initialize class
org.hibernate.validator.internal.engine.ConfigurationImpl
        at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:189)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        at
org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        ... 38 common frames omitted
Caused by: java.lang.NoClassDefFoundError: Could not initialize class
org.hibernate.validator.internal.engine.ConfigurationImpl
        at
org.hibernate.validator.HibernateValidator.createGenericConfiguration(HibernateValidator.java:33)
~[hibernate-validator-5.3.4.Final.jar:5.3.4.Final]
        at
javax.validation.Validation$GenericBootstrapImpl.configure(Validation.java:276)
~[validation-api-1.1.0.Final.jar:na]
        at
org.springframework.boot.validation.MessageInterpolatorFactory.getObject(MessageInterpolatorFactory.java:53)
~[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at
org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration.jsr303Validator(ValidationAutoConfiguration.java:52)
~[spring-boot-autoconfigure-1.5.2.RELEASE.jar:1.5.2.RELEASE]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
~[na:1.8.0_112]
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
~[na:1.8.0_112]
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
~[na:1.8.0_112]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_112]
        at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:162)
~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
        ... 39 common frames omitted

[WARNING] 
java.lang.reflect.InvocationTargetException
        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:498)
        at
org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run(AbstractRunMojo.java:527)
        at java.lang.Thread.run(Thread.java:745)
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException:
Error creating bean with name 'methodValidationPostProcessor' defined in
class path resource
[org/springframework/boot/autoconfigure/validation/ValidationAutoConfiguration.class]:
Unsatisfied dependency expressed through method
'methodValidationPostProcessor' parameter 0; nested exception is
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'jsr303Validator' defined in class path resource
[org/springframework/boot/autoconfigure/validation/ValidationAutoConfiguration.class]:
Bean instantiation via factory method failed; nested exception is
org.springframework.beans.BeanInstantiationException: Failed to instantiate
[javax.validation.Validator]: Factory method 'jsr303Validator' threw
exception; nested exception is java.lang.NoClassDefFoundError: Could not
initialize class org.hibernate.validator.internal.engine.ConfigurationImpl
        at
org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:749)
        at
org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:467)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1173)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1067)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
        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:202)
        at
org.springframework.context.support.PostProcessorRegistrationDelegate.registerBeanPostProcessors(PostProcessorRegistrationDelegate.java:223)
        at
org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:702)
        at
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:527)
        at
org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122)
        at
org.springframework.boot.SpringApplication.refresh(SpringApplication.java:737)
        at
org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:370)
        at
org.springframework.boot.SpringApplication.run(SpringApplication.java:314)
        at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1162)
        at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1151)
        at sample.camel.Application.main(Application.java:19)
        ... 6 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error
creating bean with name 'jsr303Validator' defined in class path resource
[org/springframework/boot/autoconfigure/validation/ValidationAutoConfiguration.class]:
Bean instantiation via factory method failed; nested exception is
org.springframework.beans.BeanInstantiationException: Failed to instantiate
[javax.validation.Validator]: Factory method 'jsr303Validator' threw
exception; nested exception is java.lang.NoClassDefFoundError: Could not
initialize class org.hibernate.validator.internal.engine.ConfigurationImpl
        at
org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:599)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1173)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1067)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
        at
org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
        at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
        at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
        at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
        at
org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:208)
        at
org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1138)
        at
org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066)
        at
org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:835)
        at
org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:741)
        ... 25 more
Caused by: org.springframework.beans.BeanInstantiationException: Failed to
instantiate [javax.validation.Validator]: Factory method 'jsr303Validator'
threw exception; nested exception is java.lang.NoClassDefFoundError: Could
not initialize class
org.hibernate.validator.internal.engine.ConfigurationImpl
        at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:189)
        at
org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588)
        ... 38 more
Caused by: java.lang.NoClassDefFoundError: Could not initialize class
org.hibernate.validator.internal.engine.ConfigurationImpl
        at
org.hibernate.validator.HibernateValidator.createGenericConfiguration(HibernateValidator.java:33)
        at
javax.validation.Validation$GenericBootstrapImpl.configure(Validation.java:276)
        at
org.springframework.boot.validation.MessageInterpolatorFactory.getObject(MessageInterpolatorFactory.java:53)
        at
org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration.jsr303Validator(ValidationAutoConfiguration.java:52)
        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:498)
        at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:162)
        ... 39 more



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