topic activiti demo start failed on tomcat in Alfresco Forum https://connect.hyland.com/t5/alfresco-forum/activiti-demo-start-failed-on-tomcat/m-p/28008#M11990 <HTML><HEAD></HEAD><BODY><P>When I run the activiti-app demo on tomcat7 or tomcat 9, it failed to be deployed, the log shows below, does any one know why it happen?</P><P></P><P>01:27:06,023 [main] INFO&nbsp; org.activiti.app.conf.AsyncConfiguration&nbsp; - Creating Async Task Executor<BR />01:27:07,068 [main] INFO&nbsp; org.activiti.app.conf.DatabaseConfiguration&nbsp; - Configuring Datasource<BR />01:27:07,100 [main] INFO&nbsp; org.activiti.app.conf.DatabaseConfiguration&nbsp; - Configuring Datasource with following properties (omitted password for security)<BR />01:27:07,100 [main] INFO&nbsp; org.activiti.app.conf.DatabaseConfiguration&nbsp; - datasource driver: org.h2.Driver<BR />01:27:07,101 [main] INFO&nbsp; org.activiti.app.conf.DatabaseConfiguration&nbsp; - datasource url : jdbc:h2:mem:activiti;DB_CLOSE_DELAY=-1<BR />01:27:07,101 [main] INFO&nbsp; org.activiti.app.conf.DatabaseConfiguration&nbsp; - datasource user name : sa<BR />01:27:07,101 [main] INFO&nbsp; org.activiti.app.conf.DatabaseConfiguration&nbsp; - Min pool size | Max pool size | acquire increment : 10 | 100 | 5<BR />01:27:07,152 [main] INFO&nbsp; com.mchange.v2.log.MLog&nbsp; - MLog clients using log4j logging.<BR />01:27:07,281 [main] INFO&nbsp; com.mchange.v2.c3p0.C3P0Registry&nbsp; - Initializing c3p0-0.9.2.1 [built 20-March-2013 10:47:27 +0000; debug? true; trace: 10]<BR />01:27:07,585 [main] INFO&nbsp; org.activiti.app.conf.DatabaseConfiguration&nbsp; - Configuring EntityManager<BR />01:27:09,100 [main] INFO&nbsp; com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource&nbsp; - Initializing c3p0 pool... com.mchange.v2.c3p0.ComboPooledDataSource [ acquireIncrement -&gt; 5, acquireRetryAttempts -&gt; 30, acquireRetryDelay -&gt; 1000, autoCommitOnClose -&gt; false, automaticTestTable -&gt; null, breakAfterAcquireFailure -&gt; false, checkoutTimeout -&gt; 0, connectionCustomizerClassName -&gt; null, connectionTesterClassName -&gt; com.mchange.v2.c3p0.impl.DefaultConnectionTester, dataSourceName -&gt; 2waoyf9w133zd9v16o75gg|4f93bf0a, debugUnreturnedConnectionStackTraces -&gt; false, description -&gt; null, driverClass -&gt; org.h2.Driver, factoryClassLocation -&gt; null, forceIgnoreUnresolvedTransactions -&gt; false, identityToken -&gt; 2waoyf9w133zd9v16o75gg|4f93bf0a, idleConnectionTestPeriod -&gt; 0, initialPoolSize -&gt; 3, jdbcUrl -&gt; jdbc:h2:mem:activiti;DB_CLOSE_DELAY=-1, maxAdministrativeTaskTime -&gt; 0, maxConnectionAge -&gt; 0, maxIdleTime -&gt; 1800, maxIdleTimeExcessConnections -&gt; 1800, maxPoolSize -&gt; 100, maxStatements -&gt; 0, maxStatementsPerConnection -&gt; 0, minPoolSize -&gt; 10, numHelperThreads -&gt; 3, preferredTestQuery -&gt; null, properties -&gt; {password=******, user=******}, propertyCycle -&gt; 0, statementCacheNumDeferredCloseThreads -&gt; 0, testConnectionOnCheckin -&gt; true, testConnectionOnCheckout -&gt; true, unreturnedConnectionTimeout -&gt; 0, userOverrides -&gt; {}, usesTraditionalReflectiveProxies -&gt; false ]<BR />01:27:10,366 [main] ERROR org.activiti.app.conf.SecurityConfiguration&nbsp; - Could not configure authentication mechanism:<BR />org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dbAuthenticationProvider' defined in class path resource [org/activiti/app/conf/SecurityConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.security.authentication.AuthenticationProvider]: Circular reference involving containing bean 'securityConfiguration' - consider declaring the factory method as static for independence from its containing instance. Factory method 'dbAuthenticationProvider' threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userDetailsService': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private org.activiti.app.service.api.UserCache org.activiti.app.security.UserDetailsService.userCache; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userCacheImpl': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: protected org.activiti.engine.IdentityService org.activiti.app.service.idm.UserCacheImpl.identityService; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'activitiEngineConfiguration': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private org.springframework.transaction.PlatformTransactionManager org.activiti.app.conf.ActivitiEngineConfiguration.transactionManager; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'transactionManager' defined in class path resource [org/activiti/app/conf/DatabaseConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.transaction.PlatformTransactionManager]: Factory method 'annotationDrivenTransactionManager' threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/activiti/app/conf/DatabaseConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.persistence.EntityManagerFactory]: Factory method 'entityManagerFactory' threw exception; nested exception is javax.persistence.PersistenceException: [PersistenceUnit: persistenceUnit] Unable to build EntityManagerFactory<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:599)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1119)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1014)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:322)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.activiti.app.conf.SecurityConfiguration$$EnhancerBySpringCGLIB$$6558ee2c.dbAuthenticationProvider(&lt;generated&gt;)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.activiti.app.conf.SecurityConfiguration.configureGlobal(SecurityConfiguration.java:74)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at java.base/java.lang.reflect.Method.invoke(Method.java:564)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredMethodElement.inject(AutowiredAnnotationBeanPostProcessor.java:642)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:331)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1210)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:755)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.activiti.app.servlet.WebConfigurer.contextInitialized(WebConfigurer.java:62)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4643)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5109)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:742)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:718)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:703)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:986)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1858)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:514)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:118)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:772)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:426)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1585)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:308)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:424)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:367)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:966)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:839)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1427)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1417)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:943)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:258)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.core.StandardService.startInternal(StandardService.java:422)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:770)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.startup.Catalina.start(Catalina.java:682)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at java.base/java.lang.reflect.Method.invoke(Method.java:564)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:350)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:492)<BR />Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.security.authentication.AuthenticationProvider]: Circular reference involving containing bean 'securityConfiguration' - consider declaring the factory method as static for independence from its containing instance. Factory method 'dbAuthenticationProvider' threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userDetailsService': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private org.activiti.app.service.api.UserCache org.activiti.app.security.UserDetailsService.userCache; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userCacheImpl': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: protected org.activiti.engine.IdentityService org.activiti.app.service.idm.UserCacheImpl.identityService; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'activitiEngineConfiguration': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private org.springframework.transaction.PlatformTransactionManager org.activiti.app.conf.ActivitiEngineConfiguration.transactionManager; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'transactionManager' defined in class path resource [org/activiti/app/conf/DatabaseConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.transaction.PlatformTransactionManager]: Factory method 'annotationDrivenTransactionManager' threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/activiti/app/conf/DatabaseConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.persistence.EntityManagerFactory]: Factory method 'entityManagerFactory' threw exception; nested exception is javax.persistence.PersistenceException: [PersistenceUnit: persistenceUnit] Unable to build EntityManagerFactory<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:189)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ... 70 more</P><P></P><P>The full log, please refer to the attachment.</P></BODY></HTML> Thu, 12 Jul 2018 05:57:23 GMT lucien 2018-07-12T05:57:23Z activiti demo start failed on tomcat https://connect.hyland.com/t5/alfresco-forum/activiti-demo-start-failed-on-tomcat/m-p/28008#M11990 When I run the activiti-app demo on tomcat7 or tomcat 9, it failed to be deployed, the log shows below, does any one know why it happen?01:27:06,023 [main] INFO&nbsp; org.activiti.app.conf.AsyncConfiguration&nbsp; - Creating Async Task Executor01:27:07,068 [main] INFO&nbsp; org.activiti.app.conf.DatabaseConfigurat Thu, 12 Jul 2018 05:57:23 GMT https://connect.hyland.com/t5/alfresco-forum/activiti-demo-start-failed-on-tomcat/m-p/28008#M11990 lucien 2018-07-12T05:57:23Z Re: activiti demo start failed on tomcat https://connect.hyland.com/t5/alfresco-forum/activiti-demo-start-failed-on-tomcat/m-p/28009#M11991 <HTML><HEAD></HEAD><BODY><P>I didn't change any thing after downloading from the activiti.org.</P></BODY></HTML> Thu, 12 Jul 2018 06:02:41 GMT https://connect.hyland.com/t5/alfresco-forum/activiti-demo-start-failed-on-tomcat/m-p/28009#M11991 lucien 2018-07-12T06:02:41Z Re: activiti demo start failed on tomcat https://connect.hyland.com/t5/alfresco-forum/activiti-demo-start-failed-on-tomcat/m-p/28010#M11992 <HTML><HEAD></HEAD><BODY><P>I have the same question!</P></BODY></HTML> Fri, 02 Nov 2018 08:24:03 GMT https://connect.hyland.com/t5/alfresco-forum/activiti-demo-start-failed-on-tomcat/m-p/28010#M11992 dungdv24 2018-11-02T08:24:03Z Re: activiti demo start failed on tomcat https://connect.hyland.com/t5/alfresco-forum/activiti-demo-start-failed-on-tomcat/m-p/28011#M11993 <P>I had the same problem, remove all activiti libraries from tomcat/lib</P> Thu, 02 Jan 2020 14:35:42 GMT https://connect.hyland.com/t5/alfresco-forum/activiti-demo-start-failed-on-tomcat/m-p/28011#M11993 abbask01 2020-01-02T14:35:42Z