org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'demoDataConfiguration': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: protected org.activiti.engine.IdentityService org.activiti.explorer.conf.DemoDataConfiguration.identityService; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'identityService' defined in class path resource [org/activiti/explorer/conf/ActivitiEngineConfiguration.class]: Instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanDefinitionStoreException: Factory method [public org.activiti.engine.IdentityService org.activiti.explorer.conf.ActivitiEngineConfiguration.identityService()] threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'processEngine' defined in class path resource [org/activiti/explorer/conf/ActivitiEngineConfiguration.class]: Instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanDefinitionStoreException: Factory method [public org.activiti.engine.ProcessEngine org.activiti.explorer.conf.ActivitiEngineConfiguration.processEngine()] threw exception; nested exception is java.lang.RuntimeException: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'processEngineFactoryBean': FactoryBean threw exception on object creation; nested exception is java.lang.IllegalArgumentException: Driver must not be null

activiti.org | 4 months ago
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    activiti.org | 1 year ago
    org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'demoDataConfiguration': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: protected org.activiti.engine.IdentityService org.activiti.explorer.conf.DemoDataConfiguration.identityService; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'identityService' defined in class path resource [org/activiti/explorer/conf/ActivitiEngineConfiguration.class]: Instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanDefinitionStoreException: Factory method [public org.activiti.engine.IdentityService org.activiti.explorer.conf.ActivitiEngineConfiguration.identityService()] threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'processEngine' defined in class path resource [org/activiti/explorer/conf/ActivitiEngineConfiguration.class]: Instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanDefinitionStoreException: Factory method [public org.activiti.engine.ProcessEngine org.activiti.explorer.conf.ActivitiEngineConfiguration.processEngine()] threw exception; nested exception is java.lang.RuntimeException: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'processEngineFactoryBean': FactoryBean threw exception on object creation; nested exception is java.lang.IllegalArgumentException: Driver must not be null
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    activiti.org | 1 year ago
    org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'demoDataConfiguration': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: protected org.activiti.engine.IdentityService org.activiti.explorer.conf.DemoDataConfiguration.identityService; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'identityService' defined in class path resource [org/activiti/explorer/conf/ActivitiEngineConfiguration.class]: Instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanDefinitionStoreException: Factory method [public org.activiti.engine.IdentityService org.activiti.explorer.conf.ActivitiEngineConfiguration.identityService()] threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'processEngine' defined in class path resource [org/activiti/explorer/conf/ActivitiEngineConfiguration.class]: Instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanDefinitionStoreException: Factory method [public org.activiti.engine.ProcessEngine org.activiti.explorer.conf.ActivitiEngineConfiguration.processEngine()] threw exception; nested exception is java.lang.RuntimeException: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'processEngineFactoryBean': FactoryBean threw exception on object creation; nested exception is java.lang.IllegalArgumentException: Driver must not be null
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    change db.properties to mysql issue | Activiti Forums

    activiti.org | 4 months ago
    org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'demoDataConfiguration': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: protected org.activiti.engine.IdentityService org.activiti.explorer.conf.DemoDataConfiguration.identityService; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'identityService' defined in class path resource [org/activiti/explorer/conf/ActivitiEngineConfiguration.class]: Instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanDefinitionStoreException: Factory method [public org.activiti.engine.IdentityService org.activiti.explorer.conf.ActivitiEngineConfiguration.identityService()] threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'processEngine' defined in class path resource [org/activiti/explorer/conf/ActivitiEngineConfiguration.class]: Instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanDefinitionStoreException: Factory method [public org.activiti.engine.ProcessEngine org.activiti.explorer.conf.ActivitiEngineConfiguration.processEngine()] threw exception; nested exception is java.lang.RuntimeException: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'processEngineFactoryBean': FactoryBean threw exception on object creation; nested exception is java.lang.IllegalArgumentException: Driver must not be null
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Root Cause Analysis

  1. org.springframework.beans.factory.BeanCreationException

    Error creating bean with name 'processEngine' defined in class path resource [org/activiti/explorer/conf/ActivitiEngineConfiguration.class]: Instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanDefinitionStoreException: Factory method [public org.activiti.engine.ProcessEngine org.activiti.explorer.conf.ActivitiEngineConfiguration.processEngine()] threw exception; nested exception is java.lang.RuntimeException: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'processEngineFactoryBean': FactoryBean threw exception on object creation; nested exception is java.lang.IllegalArgumentException: Driver must not be null

    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod()
  2. Spring Beans
    AbstractBeanFactory.getBean
    1. org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:597)
    2. org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1094)
    3. org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:989)
    4. org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504)
    5. org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
    6. org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302)
    7. org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
    8. org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298)
    9. org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
    9 frames
  3. Spring Context
    ConfigurationClassEnhancer$BeanMethodInterceptor.intercept
    1. org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:324)
    1 frame