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MySQL database for Explorer

Question asked by ericsnyder on Apr 19, 2013
Latest reply on Apr 19, 2013 by ericsnyder
I am using Explorer (5.12) as a starting place for a internal process Explorer. I have included activiti-engine as a Maven dependency. I am now trying to connect to a MySQL database but am not having any luck.

My db.properties:
<blockcode>db=mysql
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=mysql://SL24_Server:3306/activiti
jdbc.username=xxxxxx
jdbc.password=yyyyyy
</blockcode>

My dependency:
<blockcode>      <dependency>
         <groupId>mysql</groupId>
         <artifactId>mysql-connector-java</artifactId>
         <version>5.1.21</version>
      </dependency></blockcode>

I am getting the following exception:
<blockcode>10:19:13,830 [http-bio-8080-exec-7] INFO  org.springframework.beans.factory.support.DefaultListableBeanFactory  - Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@483cf7bd: defining beans [demoDataGenerator,dbProperties,dataSource,transactionManager,processEngineConfiguration,processEngine,repositoryService,runtimeService,taskService,historyService,managementService,identityService,activitiLoginHandler,activitiUiPropertyPlaceholder,navigatorManager,attachmentRendererManager,formPropertyRendererManager,variableRendererManager,componentFactories,processDefinitionFilterFactory,deploymentFilterFactory,userCache,navigationFragmentChangeListener,mainWindow,explorerApp,i18nManager,scopedTarget.messageSource,messageSource,notificationManager,viewManager,workflowDefinitionConversionFactory]; root of factory hierarchy
org.apache.commons.dbcp.SQLNestedException: Cannot create JDBC driver of class 'com.mysql.jdbc.Driver' for connect URL 'mysql://SL24_Server:3306/activiti'
   at org.apache.commons.dbcp.BasicDataSource.createConnectionFactory(BasicDataSource.java:1452)
   at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1371)
   at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
   at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111)
   at org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy$TransactionAwareInvocationHandler.invoke(TransactionAwareDataSourceProxy.java:224)
   at com.sun.proxy.$Proxy10.getMetaData(Unknown Source)
   at org.activiti.engine.impl.cfg.ProcessEngineConfigurationImpl.initDatabaseType(ProcessEngineConfigurationImpl.java:587)
   at org.activiti.engine.impl.cfg.ProcessEngineConfigurationImpl.initDataSource(ProcessEngineConfigurationImpl.java:548)
   at org.activiti.engine.impl.cfg.ProcessEngineConfigurationImpl.init(ProcessEngineConfigurationImpl.java:393)
   at org.activiti.engine.impl.cfg.ProcessEngineConfigurationImpl.buildProcessEngine(ProcessEngineConfigurationImpl.java:371)
   at org.activiti.spring.SpringProcessEngineConfiguration.buildProcessEngine(SpringProcessEngineConfiguration.java:64)
   at org.activiti.spring.ProcessEngineFactoryBean.getObject(ProcessEngineFactoryBean.java:56)
   at org.activiti.spring.ProcessEngineFactoryBean.getObject(ProcessEngineFactoryBean.java:32)
   at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:142)
   at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:102)
   at org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:1442)
   at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:305)
   at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
   at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:322)
   at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:106)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1360)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1118)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:517)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
   at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294)
   at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225)
   at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291)
   at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
   at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:609)
   at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918)
   at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:469)
   at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:383)
   at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:283)
   at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:111)
   at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4887)
   at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5381)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
   at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
   at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
   at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:977)
   at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:542)
   at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1462)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:601)
   at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:301)
   at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
   at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:792)
   at org.apache.catalina.manager.ManagerServlet.check(ManagerServlet.java:1445)
   at org.apache.catalina.manager.HTMLManagerServlet.upload(HTMLManagerServlet.java:301)
   at org.apache.catalina.manager.HTMLManagerServlet.doPost(HTMLManagerServlet.java:208)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
   at org.apache.catalina.filters.CsrfPreventionFilter.doFilter(CsrfPreventionFilter.java:213)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
   at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
   at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:581)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
   at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:947)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
   at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
   at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1009)
   at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
   at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
   at java.lang.Thread.run(Thread.java:722)
Caused by: java.sql.SQLException: No suitable driver
   at java.sql.DriverManager.getDriver(DriverManager.java:289)
   at org.apache.commons.dbcp.BasicDataSource.createConnectionFactory(BasicDataSource.java:1437)
   … 76 more</blockcode>

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