javax.management.InstanceNotFoundException: com.mchange.v2.c3p0:type=C3P0Registry
at com.caucho.jmx.MBeanContext.unregisterMBean(MBeanContext.java:294)
at com.caucho.jmx.AbstractMBeanServer.unregisterMBean(AbstractMBeanServer.java:487)
at com.mchange.v2.c3p0.management.ActiveManagementCoordinator.attemptManageC3P0Registry(ActiveManagementCoordinator.java:62)
at com.mchange.v2.c3p0.C3P0Registry.attemptRegisterRegistryMBean(C3P0Registry.java:217)
at com.mchange.v2.c3p0.C3P0Registry.reregister(C3P0Registry.java:242)
at com.mchange.v2.c3p0.impl.PoolBackedDataSourceBase.<init>(PoolBackedDataSourceBase.java:228)
at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.<init>(AbstractPoolBackedDataSource.java:62)
at com.mchange.v2.c3p0.PoolBackedDataSource.<init>(PoolBackedDataSource.java:31)
at com.mchange.v2.c3p0.PoolBackedDataSource.<init>(PoolBackedDataSource.java:34)
at com.mchange.v2.c3p0.DataSources.pooledDataSource(DataSources.java:205)
at org.hibernate.connection.C3P0ConnectionProvider.configure(C3P0ConnectionProvider.java:97)
at org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:124)
at org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:56)
at org.hibernate.cfg.SettingsFactory.createConnectionProvider(SettingsFactory.java:366)
at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:60)
at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:1881)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1174)
at com.pay.db.HibernateSessionFactory.<clinit>(HibernateSessionFactory.java:31)
at com.pay.dao.BaseHibernateDAO.getSession(BaseHibernateDAO.java:14)
at com.pay.dao.TabLogDAO.save(TabLogDAO.java:37)
at com.pay.service.LogServices.save(LogServices.java:30)
at com.pay.timer.DataBaseCheck.run(DataBaseCheck.java:24)
at java.util.TimerThread.mainLoop(Timer.java:512)
at java.util.TimerThread.run(Timer.java:462)有谁知道这是什么问题吗?