eclipse启动Tomcat报错了，请各位大神帮忙看一下，万分感谢！！！

昨天运行还好好的，今天就起不来了，报错如下：

三月 08, 2018 9:46:52 上午 org.apache.catalina.loader.WebappClassLoader loadClass
信息: Illegal access: this web application instance has been stopped already. Could not load com.mchange.v2.c3p0.ComboPooledDataSourceCustomizer. The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.
java.lang.IllegalStateException
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1600)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:278)
at com.sun.beans.finder.ClassFinder.findClass(ClassFinder.java:67)
at com.sun.beans.finder.ClassFinder.findClass(ClassFinder.java:110)
at java.beans.Introspector.findCustomizerClass(Introspector.java:1245)
at java.beans.Introspector.getTargetBeanDescriptor(Introspector.java:1239)
at java.beans.Introspector.getBeanInfo(Introspector.java:415)
at java.beans.Introspector.getBeanInfo(Introspector.java:252)
at java.beans.Introspector.getBeanInfo(Introspector.java:214)
at com.mchange.v2.c3p0.management.DynamicPooledDataSourceManagerMBean.extractAttributeInfos(DynamicPooledDataSourceManagerMBean.java:544)
at com.mchange.v2.c3p0.management.DynamicPooledDataSourceManagerMBean.reinitialize(DynamicPooledDataSourceManagerMBean.java:188)
at com.mchange.v2.c3p0.management.DynamicPooledDataSourceManagerMBean.(DynamicPooledDataSourceManagerMBean.java:158)
at com.mchange.v2.c3p0.management.ActiveManagementCoordinator.attemptManagePooledDataSource(ActiveManagementCoordinator.java:110)
at com.mchange.v2.c3p0.C3P0Registry.incorporate(C3P0Registry.java:233)
at com.mchange.v2.c3p0.C3P0Registry.reregister(C3P0Registry.java:251)
at com.mchange.v2.c3p0.impl.PoolBackedDataSourceBase.(PoolBackedDataSourceBase.java:228)
at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.(AbstractPoolBackedDataSource.java:62)
at com.mchange.v2.c3p0.ComboPooledDataSource.(ComboPooledDataSource.java:108)
at com.mchange.v2.c3p0.ComboPooledDataSource.(ComboPooledDataSource.java:104)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:126)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:74)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:958)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:898)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:485)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
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:1325)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1086)
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:291)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1075)
at org.jbpm.pvm.internal.env.SpringContext.get(SpringContext.java:65)
at org.jbpm.pvm.internal.env.BasicEnvironment.get(BasicEnvironment.java:154)
at org.jbpm.pvm.internal.wire.WireContext.get(WireContext.java:711)
at org.jbpm.pvm.internal.env.BasicEnvironment.get(BasicEnvironment.java:154)
at org.jbpm.pvm.internal.wire.WireContext.get(WireContext.java:711)
at org.jbpm.pvm.internal.env.BasicEnvironment.get(BasicEnvironment.java:132)
at org.jbpm.pvm.internal.env.BasicEnvironment.get(BasicEnvironment.java:123)
at org.jbpm.pvm.internal.env.EnvironmentImpl.getFromCurrent(EnvironmentImpl.java:207)
at org.jbpm.pvm.internal.env.EnvironmentImpl.getFromCurrent(EnvironmentImpl.java:196)
at org.jbpm.pvm.internal.tx.SpringTransactionInterceptor.resolveTransactionManager(SpringTransactionInterceptor.java:62)
at org.jbpm.pvm.internal.tx.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:46)
at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.executeInNewEnvironment(EnvironmentInterceptor.java:53)
at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.execute(EnvironmentInterceptor.java:40)
at org.jbpm.pvm.internal.svc.RetryInterceptor.execute(RetryInterceptor.java:56)
at org.jbpm.pvm.internal.jobexecutor.DispatcherThread.acquireJobs(DispatcherThread.java:126)
at org.jbpm.pvm.internal.jobexecutor.DispatcherThread.run(DispatcherThread.java:67)

三月 08, 2018 9:46:52 上午 org.apache.catalina.loader.WebappClassLoader findResourceInternal
信息: Illegal access: this web application instance has been stopped already. Could not load jbpm.hibernate.cfg.xml. The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.
三月 08, 2018 9:47:02 上午 org.apache.catalina.loader.WebappClassLoader findResourceInternal
信息: Illegal access: this web application instance has been stopped already. Could not load jbpm.hibernate.cfg.xml. The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.
三月 08, 2018 9:47:22 上午 org.apache.catalina.loader.WebappClassLoader findResourceInternal
信息: Illegal access: this web application instance has been stopped already. Could not load jbpm.hibernate.cfg.xml. The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.
三月 08, 2018 9:48:02 上午 org.apache.catalina.loader.WebappClassLoader findResourceInternal
信息: Illegal access: this web application instance has been stopped already. Could not load jbpm.hibernate.cfg.xml. The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.
三月 08, 2018 9:49:22 上午 org.apache.catalina.loader.WebappClassLoader findResourceInternal
信息: Illegal access: this web application instance has been stopped already. Could not load jbpm.hibernate.cfg.xml. The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.
三月 08, 2018 9:52:02 上午 org.apache.catalina.loader.WebappClassLoader findResourceInternal
信息: Illegal access: this web application instance has been stopped already. Could not load jbpm.hibernate.cfg.xml. The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.
三月 08, 2018 9:57:22 上午 org.apache.catalina.loader.WebappClassLoader findResourceInternal
信息: Illegal access: this web application instance has been stopped already. Could not load jbpm.hibernate.cfg.xml. The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.