change db.properties to mysql issue

chaoqun — Thu, 26 Feb 2015 04:14:02 GMT

Hi all,I'm trying to convert the db from h2 to mysql, so I change the db.properties file.db=activiti jdbc.driver=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3306/activiti jdbc.username=root jdbc.password=welcome1But when I restart the Tomcat, the exception is as below,26-Feb-2015 11:49

Re: change db.properties to mysql issue

jbarrez — Sat, 28 Feb 2015 09:43:16 GMT

hmm it says 'Driver must not be null' .. are you sure you didnt make a typo in the config?

Re: change db.properties to mysql issue

chaoqun — Sat, 28 Feb 2015 09:45:33 GMT

The activiti-explorer is normal now. Not sure what's wrong I've made. oops….

Re: change db.properties to mysql issue

jbarrez — Sat, 28 Feb 2015 10:19:08 GMT

OK, thanks for posting back.

Re: change db.properties to mysql issue

gourav1688 — Fri, 15 May 2015 09:35:01 GMT

I am getting the same error while trying to connect to oracle server please help me.

SEVERE: Exception sending context initialized event to listener instance of class org.activiti.explorer.servlet.WebConfigurer
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
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:292)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1185)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537)

Re: change db.properties to mysql issue

jbarrez — Mon, 18 May 2015 15:55:44 GMT

Hence my comment above, there is something wrong in your configuration, the jdbc driver isn't set correctly

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change db.properties to mysql issue

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