Maven shade plugin ClassNotFoundException

Question

I'm trying to use the maven shade plugin.

I'm using: Java 7, Spring 4.1.6.RELEASE, Hibernate 4.3.9Final, maven-shade plugin version 2.3

I have the following error. Can't figure out the problem.

    BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [other/project/persistence/jpa/EntityManagerFactoryProvider.class]: Invocation of init method failed; nested exception is java.lang.TypeNotPresentException: Type java.time.LocalTime not present
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1574)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:523)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:512)
    at org.springframework.context.support.AbstractApplicationContext.getBeansOfType(AbstractApplicationContext.java:1052)
    at org.springframework.beans.factory.BeanFactoryUtils.beansOfTypeIncludingAncestors(BeanFactoryUtils.java:227)
    at org.springframework.data.jpa.repository.config.JpaMetamodelMappingContextFactoryBean.getMetamodels(JpaMetamodelMappingContextFactoryBean.java:85)
    at org.springframework.data.jpa.repository.config.JpaMetamodelMappingContextFactoryBean.createInstance(JpaMetamodelMappingContextFactoryBean.java:56)
    at org.springframework.data.jpa.repository.config.JpaMetamodelMappingContextFactoryBean.createInstance(JpaMetamodelMappingContextFactoryBean.java:26)
Caused by: java.lang.TypeNotPresentException: Type java.time.LocalTime not present
    at sun.reflect.generics.factory.CoreReflectionFactory.makeNamedType(Unknown Source)
    at sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Unknown Source)
    at sun.reflect.generics.tree.ClassTypeSignature.accept(Unknown Source)
    at sun.reflect.generics.visitor.Reifier.reifyTypeArguments(Unknown Source)
    at sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Unknown Source)
    at sun.reflect.generics.tree.ClassTypeSignature.accept(Unknown Source)
    at sun.reflect.generics.repository.ClassRepository.getSuperInterfaces(Unknown Source)
    at java.lang.Class.getGenericInterfaces(Unknown Source)
    at org.hibernate.cfg.AttributeConverterDefinition.extractAttributeConverterParameterizedType(AttributeConverterDefinition.java:85)
    at org.hibernate.cfg.AttributeConverterDefinition.<init>(AttributeConverterDefinition.java:52)
    at org.hibernate.cfg.Configuration.addAttributeConverter(Configuration.java:2729)
    at org.hibernate.cfg.Configuration.addAttributeConverter(Configuration.java:2673)
    at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.buildHibernateConfiguration(EntityManagerFactoryBuilderImpl.java:1153)
    at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:853)
    at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:850)
    at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.withTccl(ClassLoaderServiceImpl.java:425)
    at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:849)
    at org.hibernate.jpa.HibernatePersistenceProvider.createContainerEntityManagerFactory(HibernatePersistenceProvider.java:152)
    at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:343)
    at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:318)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1633)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1570)
]       
Caused by: java.lang.ClassNotFoundException: java.time.LocalTime
    at java.net.URLClassLoader$1.run(Unknown Source)
]

EDIT: Found the problem, but still not the solution: I'm using LocalDate from org.threeten.threetenbp and I have set the jadira.usertype.autoRegisterUserTypes=true. As I said, works ok when running the main class from IntelliJ but not when executing the jar.

Answer 1

You are having a dependency on java.lang.LocalTime, which was introduced in Java 8.

Since you are using Java 7, you get a ClassNotFoundException. Either switch to Java 8 or replace the library that introduces the dependency.

Answer 2

java.time.LocalTime appeared in Java8 so probably some of libraries you depends on is using Java8's classes (according to your stack trace this is Hibernate)