配置项目启动初始，报错如下：

  1.  java.io.FileNotFoundException: Resource not found at path '/mchange-commons.properties'.
  2.      at com.mchange.v2.cfg.BasicPropertiesConfigSource.propertiesFromSource(BasicPropertiesConfigSource.java:64)
  3.      at com.mchange.v2.cfg.BasicMultiPropertiesConfig.firstInit(BasicMultiPropertiesConfig.java:185)
  4.      at com.mchange.v2.cfg.BasicMultiPropertiesConfig.<init>(BasicMultiPropertiesConfig.java:110)
  5.      at com.mchange.v2.cfg.ConfigUtils.read(ConfigUtils.java:63)
  6.      at com.mchange.v2.cfg.MConfig$CSManager.recreateFromKey(MConfig.java:153)
  7.      at com.mchange.v1.cachedstore.NoCleanupCachedStore.find(NoCleanupCachedStore.java:63)
  8.      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  9.      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  10.      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  11.      at java.lang.reflect.Method.invoke(Method.java:498)
  12.      at com.mchange.v1.lang.Synchronizer$1.invoke(Synchronizer.java:58)
  13.      at com.sun.proxy.$Proxy10.find(Unknown Source)
  14.      at com.mchange.v2.cfg.MConfig.readVmConfig(MConfig.java:75)
  15.      at com.mchange.v2.cfg.MConfig.readVmConfig(MConfig.java:81)
  16.      at com.mchange.v2.resourcepool.BasicResourcePool.<clinit>(BasicResourcePool.java:60)
  17.      at com.mchange.v2.resourcepool.BasicResourcePoolFactory.createPool(BasicResourcePoolFactory.java:340)
  18.      at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.<init>(C3P0PooledConnectionPool.java:671)
  19.      at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPoolManager.createPooledConnectionPool(C3P0PooledConnectionPoolManager.java:952)
  20.      at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPoolManager.getPool(C3P0PooledConnectionPoolManager.java:397)
  21.      at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPoolManager.getPool(C3P0PooledConnectionPoolManager.java:414)
  22.      at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:140)
  23.      at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:139)
  24.      at org.hibernate.engine.jdbc.internal.JdbcServicesImpl$ConnectionProviderJdbcConnectionAccess.obtainConnection(JdbcServicesImpl.java:279)
  25.      at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:124)
  26.      at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:111)
  27.      at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:234)
  28.      at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:206)
  29.      at org.hibernate.cfg.Configuration.buildTypeRegistrations(Configuration.java:1887)
  30.      at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1845)
  31.      at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1930)
  32.      at org.springframework.orm.hibernate4.LocalSessionFactoryBuilder.buildSessionFactory(LocalSessionFactoryBuilder.java:372)
  33.      at org.springframework.orm.hibernate4.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:454)
  34.      at org.springframework.orm.hibernate4.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:439)
  35.      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1625)
  36.      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1562)
  37.      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
  38.      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
  39.      at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
  40.      at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
  41.      at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
  42.      at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
  43.      at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:743)
  44.      at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
  45.      at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
  46.      at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403)
  47.      at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306)
  48.      at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)
  49.      at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4727)
  50.      at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5189)
  51.      at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
  52.      at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:752)
  53.      at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:728)
  54.      at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734)
  55.      at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1107)
  56.      at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1841)
  57.      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  58.      at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  59.      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
  60.      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  61.      at java.lang.Thread.run(Thread.java:745)
  62.  17:57:57.776 [localhost-startStop-1] DEBUG com.mchange.v2.cfg.MConfig - The configuration file for resource identifier '/mchange-log.properties' could not be found. Skipping.
  63.  java.io.FileNotFoundException: Resource not found at path '/mchange-log.properties'.
  64.      at com.mchange.v2.cfg.BasicPropertiesConfigSource.propertiesFromSource(BasicPropertiesConfigSource.java:64)
  65.      at com.mchange.v2.cfg.BasicMultiPropertiesConfig.firstInit(BasicMultiPropertiesConfig.java:185)
  66.      at com.mchange.v2.cfg.BasicMultiPropertiesConfig.<init>(BasicMultiPropertiesConfig.java:110)
  67.      at com.mchange.v2.cfg.ConfigUtils.read(ConfigUtils.java:63)
  68.      at com.mchange.v2.cfg.MConfig$CSManager.recreateFromKey(MConfig.java:153)
  69.      at com.mchange.v1.cachedstore.NoCleanupCachedStore.find(NoCleanupCachedStore.java:63)
  70.      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  71.      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  72.      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  73.      at java.lang.reflect.Method.invoke(Method.java:498)
  74.      at com.mchange.v1.lang.Synchronizer$1.invoke(Synchronizer.java:58)
  75.      at com.sun.proxy.$Proxy10.find(Unknown Source)
  76.      at com.mchange.v2.cfg.MConfig.readVmConfig(MConfig.java:75)
  77.      at com.mchange.v2.cfg.MConfig.readVmConfig(MConfig.java:81)
  78.      at com.mchange.v2.resourcepool.BasicResourcePool.<clinit>(BasicResourcePool.java:60)
  79.      at com.mchange.v2.resourcepool.BasicResourcePoolFactory.createPool(BasicResourcePoolFactory.java:340)
  80.      at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.<init>(C3P0PooledConnectionPool.java:671)
  81.      at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPoolManager.createPooledConnectionPool(C3P0PooledConnectionPoolManager.java:952)
  82.      at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPoolManager.getPool(C3P0PooledConnectionPoolManager.java:397)
  83.      at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPoolManager.getPool(C3P0PooledConnectionPoolManager.java:414)
  84.      at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:140)
  85.      at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:139)
  86.      at org.hibernate.engine.jdbc.internal.JdbcServicesImpl$ConnectionProviderJdbcConnectionAccess.obtainConnection(JdbcServicesImpl.java:279)
  87.      at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:124)
  88.      at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:111)
  89.      at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:234)
  90.      at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:206)
  91.      at org.hibernate.cfg.Configuration.buildTypeRegistrations(Configuration.java:1887)
  92.      at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1845)
  93.      at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1930)
  94.      at org.springframework.orm.hibernate4.LocalSessionFactoryBuilder.buildSessionFactory(LocalSessionFactoryBuilder.java:372)
  95.      at org.springframework.orm.hibernate4.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:454)
  96.      at org.springframework.orm.hibernate4.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:439)
  97.      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1625)
  98.      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1562)
  99.      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
  100.      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
  101.      at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
  102.      at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
  103.      at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
  104.      at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
  105.      at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:743)
  106.      at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
  107.      at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
  108.      at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403)
  109.      at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306)
  110.      at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)
  111.      at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4727)
  112.      at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5189)
  113.      at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
  114.      at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:752)
  115.      at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:728)
  116.      at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734)
  117.      at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1107)
  118.      at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1841)
  119.      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  120.      at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  121.      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
  122.      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  123.      at java.lang.Thread.run(Thread.java:745)
  124.  17:57:57.776 [localhost-startStop-1] DEBUG com.mchange.v2.cfg.MConfig - The configuration file for resource identifier '/c3p0.properties' could not be found. Skipping.
  125.  java.io.FileNotFoundException: Resource not found at path '/c3p0.properties'.
  126.      at com.mchange.v2.cfg.BasicPropertiesConfigSource.propertiesFromSource(BasicPropertiesConfigSource.java:64)
  127.      at com.mchange.v2.cfg.BasicMultiPropertiesConfig.firstInit(BasicMultiPropertiesConfig.java:185)
  128.      at com.mchange.v2.cfg.BasicMultiPropertiesConfig.<init>(BasicMultiPropertiesConfig.java:110)
  129.      at com.mchange.v2.cfg.ConfigUtils.read(ConfigUtils.java:63)
  130.      at com.mchange.v2.cfg.MConfig$CSManager.recreateFromKey(MConfig.java:153)
  131.      at com.mchange.v1.cachedstore.NoCleanupCachedStore.find(NoCleanupCachedStore.java:63)
  132.      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  133.      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  134.      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  135.      at java.lang.reflect.Method.invoke(Method.java:498)
  136.      at com.mchange.v1.lang.Synchronizer$1.invoke(Synchronizer.java:58)
  137.      at com.sun.proxy.$Proxy10.find(Unknown Source)
  138.      at com.mchange.v2.cfg.MConfig.readVmConfig(MConfig.java:75)
  139.      at com.mchange.v2.cfg.MConfig.readVmConfig(MConfig.java:81)
  140.      at com.mchange.v2.resourcepool.BasicResourcePool.<clinit>(BasicResourcePool.java:60)
  141.      at com.mchange.v2.resourcepool.BasicResourcePoolFactory.createPool(BasicResourcePoolFactory.java:340)
  142.      at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.<init>(C3P0PooledConnectionPool.java:671)
  143.      at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPoolManager.createPooledConnectionPool(C3P0PooledConnectionPoolManager.java:952)
  144.      at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPoolManager.getPool(C3P0PooledConnectionPoolManager.java:397)
  145.      at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPoolManager.getPool(C3P0PooledConnectionPoolManager.java:414)
  146.      at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:140)
  147.      at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:139)
  148.      at org.hibernate.engine.jdbc.internal.JdbcServicesImpl$ConnectionProviderJdbcConnectionAccess.obtainConnection(JdbcServicesImpl.java:279)
  149.      at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:124)
  150.      at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:111)
  151.      at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:234)
  152.      at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:206)
  153.      at org.hibernate.cfg.Configuration.buildTypeRegistrations(Configuration.java:1887)
  154.      at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1845)
  155.      at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1930)
  156.      at org.springframework.orm.hibernate4.LocalSessionFactoryBuilder.buildSessionFactory(LocalSessionFactoryBuilder.java:372)
  157.      at org.springframework.orm.hibernate4.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:454)
  158.      at org.springframework.orm.hibernate4.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:439)
  159.      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1625)
  160.      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1562)
  161.      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
  162.      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
  163.      at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
  164.      at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
  165.      at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
  166.      at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
  167.      at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:743)
  168.      at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
  169.      at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
  170.      at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403)
  171.      at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306)
  172.      at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)
  173.      at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4727)
  174.      at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5189)
  175.      at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
  176.      at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:752)
  177.      at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:728)
  178.      at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734)
  179.      at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1107)
  180.      at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1841)
  181.      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  182.      at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  183.      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
  184.      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  185.      at java.lang.Thread.run(Thread.java:745)
  186.  17:57:57.776 [localhost-startStop-1] DEBUG com.mchange.v2.cfg.MConfig - The configuration file for resource identifier 'hocon:/reference,/application,/c3p0,/' could not be found. Skipping.
  187.  java.io.FileNotFoundException: HOCON lib (typesafe-config) is not available. Also, no resource available at '/reference,/application,/c3p0,/' for HOCON identifier 'hocon:/reference,/application,/c3p0,/'.
  188.      at com.mchange.v2.cfg.BasicMultiPropertiesConfig.configSource(BasicMultiPropertiesConfig.java:86)
  189.      at com.mchange.v2.cfg.BasicMultiPropertiesConfig.firstInit(BasicMultiPropertiesConfig.java:184)
  190.      at com.mchange.v2.cfg.BasicMultiPropertiesConfig.<init>(BasicMultiPropertiesConfig.java:110)
  191.      at com.mchange.v2.cfg.ConfigUtils.read(ConfigUtils.java:63)
  192.      at com.mchange.v2.cfg.MConfig$CSManager.recreateFromKey(MConfig.java:153)
  193.      at com.mchange.v1.cachedstore.NoCleanupCachedStore.find(NoCleanupCachedStore.java:63)
  194.      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  195.      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  196.      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  197.      at java.lang.reflect.Method.invoke(Method.java:498)
  198.      at com.mchange.v1.lang.Synchronizer$1.invoke(Synchronizer.java:58)
  199.      at com.sun.proxy.$Proxy10.find(Unknown Source)
  200.      at com.mchange.v2.cfg.MConfig.readVmConfig(MConfig.java:75)
  201.      at com.mchange.v2.cfg.MConfig.readVmConfig(MConfig.java:81)
  202.      at com.mchange.v2.resourcepool.BasicResourcePool.<clinit>(BasicResourcePool.java:60)
  203.      at com.mchange.v2.resourcepool.BasicResourcePoolFactory.createPool(BasicResourcePoolFactory.java:340)
  204.      at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.<init>(C3P0PooledConnectionPool.java:671)
  205.      at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPoolManager.createPooledConnectionPool(C3P0PooledConnectionPoolManager.java:952)
  206.      at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPoolManager.getPool(C3P0PooledConnectionPoolManager.java:397)
  207.      at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPoolManager.getPool(C3P0PooledConnectionPoolManager.java:414)
  208.      at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:140)
  209.      at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:139)
  210.      at org.hibernate.engine.jdbc.internal.JdbcServicesImpl$ConnectionProviderJdbcConnectionAccess.obtainConnection(JdbcServicesImpl.java:279)
  211.      at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:124)
  212.      at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:111)
  213.      at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:234)
  214.      at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:206)
  215.      at org.hibernate.cfg.Configuration.buildTypeRegistrations(Configuration.java:1887)
  216.      at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1845)
  217.      at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1930)
  218.      at org.springframework.orm.hibernate4.LocalSessionFactoryBuilder.buildSessionFactory(LocalSessionFactoryBuilder.java:372)
  219.      at org.springframework.orm.hibernate4.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:454)
  220.      at org.springframework.orm.hibernate4.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:439)
  221.      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1625)
  222.      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1562)
  223.      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
  224.      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
  225.      at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
  226.      at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
  227.      at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
  228.      at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
  229.      at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:743)
  230.      at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
  231.      at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
  232.      at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403)
  233.      at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306)
  234.      at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)
  235.      at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4727)
  236.      at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5189)
  237.      at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
  238.      at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:752)
  239.      at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:728)
  240.      at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734)
  241.      at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1107)
  242.      at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1841)
  243.      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  244.      at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  245.      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
  246.      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  247.      at java.lang.Thread.run(Thread.java:745)

并且一直在弹出下面的DEBUG

  1. 17:58:27.778 [C3P0PooledConnectionPoolManager[identityToken->1hge3v29ny82yzjqh08vg|13532bd3]-AdminTaskTimer] DEBUG com.mchange.v2.resourcepool.BasicResourcePool - Checking for expired resources - Mon Apr 17 17:58:27 CST 2017 [com.mchange.v2.resourcepool.BasicResourcePool@422e0e85]
  2. 17:58:27.778 [C3P0PooledConnectionPoolManager[identityToken->1hge3v29ny82yzjqh08vg|13532bd3]-AdminTaskTimer] DEBUG com.mchange.v2.resourcepool.BasicResourcePool - BEGIN check for expired resources.  [com.mchange.v2.resourcepool.BasicResourcePool@422e0e85]
  3. 17:58:27.778 [C3P0PooledConnectionPoolManager[identityToken->1hge3v29ny82yzjqh08vg|13532bd3]-AdminTaskTimer] DEBUG com.mchange.v2.resourcepool.BasicResourcePool - FINISHED check for expired resources.  [com.mchange.v2.resourcepool.BasicResourcePool@422e0e85]
  4. 17:58:27.778 [C3P0PooledConnectionPoolManager[identityToken->1hge3v29ny82yzjqh08vg|13532bd3]-AdminTaskTimer] DEBUG com.mchange.v2.resourcepool.BasicResourcePool - Refurbishing idle resources - Mon Apr 17 17:58:27 CST 2017 [com.mchange.v2.resourcepool.BasicResourcePool@422e0e85]
  5. 17:58:27.780 [C3P0PooledConnectionPoolManager[identityToken->1hge3v29ny82yzjqh08vg|13532bd3]-HelperThread-#0] DEBUG com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool - Testing PooledConnection [com.mchange.v2.c3p0.impl.NewPooledConnection@6f1aa987] on IDLE CHECK.
  6. 17:58:27.780 [C3P0PooledConnectionPoolManager[identityToken->1hge3v29ny82yzjqh08vg|13532bd3]-HelperThread-#1] DEBUG com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool - Testing PooledConnection [com.mchange.v2.c3p0.impl.NewPooledConnection@1b0b419] on IDLE CHECK.
  7. 17:58:27.780 [C3P0PooledConnectionPoolManager[identityToken->1hge3v29ny82yzjqh08vg|13532bd3]-HelperThread-#2] DEBUG com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool - Testing PooledConnection [com.mchange.v2.c3p0.impl.NewPooledConnection@3a775b00] on IDLE CHECK.
  8. 17:58:27.781 [C3P0PooledConnectionPoolManager[identityToken->1hge3v29ny82yzjqh08vg|13532bd3]-HelperThread-#2] DEBUG com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool - Test of PooledConnection [com.mchange.v2.c3p0.impl.NewPooledConnection@3a775b00] on IDLE CHECK has SUCCEEDED.
  9. 17:58:27.781 [C3P0PooledConnectionPoolManager[identityToken->1hge3v29ny82yzjqh08vg|13532bd3]-HelperThread-#0] DEBUG com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool - Test of PooledConnection [com.mchange.v2.c3p0.impl.NewPooledConnection@6f1aa987] on IDLE CHECK has SUCCEEDED.

解决方法：

【原因】：发现打出这些错误的那个项目配置了slf4j日志, 猜测是c3p0使用了slf4j进行日志记录, 当检测到有该jar包时, 使用DEBUG级别打印出调试消息.

这个并不影响项目使用，但是强迫症必用

pom.xml文件中这个删掉：

  1.   <dependency>
  2.           <groupId>ch.qos.logback</groupId>
  3.           <artifactId>logback-classic</artifactId>
  4.           <version>1.1.7</version>
  5.           <scope>runtime</scope>
  6.       </dependency>

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