为什么会报这个错误呀。

来源：2-7 验证Dao

慕丝1454223

2018-05-10

五月 10, 2018 3:43:08 下午 org.springframework.test.context.support.DefaultTestContextBootstrapper getDefaultTestExecutionListenerClassNames

信息: Loaded default TestExecutionListener class names from location [META-INF/spring.factories]: [org.springframework.test.context.web.ServletTestExecutionListener, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener, org.springframework.test.context.support.DependencyInjectionTestExecutionListener, org.springframework.test.context.support.DirtiesContextTestExecutionListener, org.springframework.test.context.transaction.TransactionalTestExecutionListener, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener]

五月 10, 2018 3:43:08 下午 org.springframework.test.context.support.DefaultTestContextBootstrapper getTestExecutionListeners

信息: Using TestExecutionListeners: [org.springframework.test.context.web.ServletTestExecutionListener@5315b42e, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener@2ef9b8bc, org.springframework.test.context.support.DependencyInjectionTestExecutionListener@5d624da6, org.springframework.test.context.support.DirtiesContextTestExecutionListener@1e67b872, org.springframework.test.context.transaction.TransactionalTestExecutionListener@60addb54, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener@3f2a3a5]

五月 10, 2018 3:43:08 下午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions

信息: Loading XML bean definitions from class path resource [spring/spring-dao.xml]

五月 10, 2018 3:43:08 下午 org.springframework.context.support.GenericApplicationContext prepareRefresh

信息: Refreshing org.springframework.context.support.GenericApplicationContext@58651fd0: startup date [Thu May 10 15:43:08 CST 2018]; root of context hierarchy

五月 10, 2018 3:43:08 下午 com.mchange.v2.log.MLog <clinit>

信息: MLog clients using java 1.4+ standard logging.

五月 10, 2018 3:43:08 下午 com.mchange.v2.c3p0.C3P0Registry banner

信息: Initializing c3p0-0.9.1.2 [built 21-May-2007 15:04:56; debug? true; trace: 10]

15:43:08.944 [main] DEBUG org.apache.ibatis.logging.LogFactory - Logging initialized using 'class org.apache.ibatis.logging.slf4j.Slf4jImpl' adapter.

15:43:09.001 [main] DEBUG org.apache.ibatis.io.VFS - Class not found: org.jboss.vfs.VFS

15:43:09.001 [main] DEBUG org.apache.ibatis.io.JBoss6VFS - JBoss 6 VFS API is not available in this environment.

15:43:09.002 [main] DEBUG org.apache.ibatis.io.VFS - Class not found: org.jboss.vfs.VirtualFile

15:43:09.002 [main] DEBUG org.apache.ibatis.io.VFS - VFS implementation org.apache.ibatis.io.JBoss6VFS is not valid in this environment.

15:43:09.003 [main] DEBUG org.apache.ibatis.io.VFS - Using VFS adapter org.apache.ibatis.io.DefaultVFS

15:43:09.003 [main] DEBUG org.mybatis.spring.SqlSessionFactoryBean - Scanned package: 'com.imooc.entity' for aliases

15:43:09.027 [main] DEBUG org.mybatis.spring.SqlSessionFactoryBean - Parsed configuration file: 'class path resource [mybatis-config.xml]'

15:43:09.069 [main] DEBUG org.mybatis.spring.SqlSessionFactoryBean - Parsed mapper file: 'file [D:\eclipseworkspace\o2o\target\classes\mapper\AreaDao.xml]'

15:43:09.156 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Creating a new SqlSession

15:43:09.161 [main] DEBUG org.mybatis.spring.SqlSessionUtils - SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@4c60d6e9] was not registered for synchronization because synchronization is not active

五月 10, 2018 3:43:09 下午 com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource getPoolManager

信息: Initializing c3p0 pool... com.mchange.v2.c3p0.ComboPooledDataSource [ acquireIncrement -> 3, acquireRetryAttempts -> 2, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> null, breakAfterAcquireFailure -> false, checkoutTimeout -> 10000, connectionCustomizerClassName -> null, connectionTesterClassName -> com.mchange.v2.c3p0.impl.DefaultConnectionTester, dataSourceName -> 1hge1389vk97ony12n789i|794cb805, debugUnreturnedConnectionStackTraces -> false, description -> null, driverClass -> com.mysql.jdbc.Driver, factoryClassLocation -> null, forceIgnoreUnresolvedTransactions -> false, identityToken -> 1hge1389vk97ony12n789i|794cb805, idleConnectionTestPeriod -> 0, initialPoolSize -> 3, jdbcUrl -> jdbc:mysql://localhost:3306/o2o?useUnicode=true&characterEncoding=utf8, maxAdministrativeTaskTime -> 0, maxConnectionAge -> 0, maxIdleTime -> 0, maxIdleTimeExcessConnections -> 0, maxPoolSize -> 30, maxStatements -> 0, maxStatementsPerConnection -> 0, minPoolSize -> 10, numHelperThreads -> 3, numThreadsAwaitingCheckoutDefaultUser -> 0, preferredTestQuery -> null, properties -> {user=******, password=******}, propertyCycle -> 0, testConnectionOnCheckin -> false, testConnectionOnCheckout -> false, unreturnedConnectionTimeout -> 0, usesTraditionalReflectiveProxies -> false ]

五月 10, 2018 3:43:10 下午 com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask run

警告: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@507ab565 -- Acquisition Attempt Failed!!! Clearing pending acquires. While trying to acquire a needed new resource, we failed to succeed more than the maximum number of allowed acquisition attempts (2). Last acquisition attempt exception:

java.sql.SQLException: Access denied for user 'root '@'localhost' (using password: YES)

at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:959)

at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3870)

at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3806)

at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:871)

at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1686)

at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1207)

at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2254)

at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2285)

at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2084)

at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:795)

at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:44)

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

at java.lang.reflect.Constructor.newInstance(Constructor.java:423)

at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)

at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:400)

at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:327)

at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:134)

at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182)

at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171)

at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137)

at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014)

at com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32)

at com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810)

at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)

五月 10, 2018 3:43:10 下午 com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask run

警告: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@7a303379 -- Acquisition Attempt Failed!!! Clearing pending acquires. While trying to acquire a needed new resource, we failed to succeed more than the maximum number of allowed acquisition attempts (2). Last acquisition attempt exception: