2019-04-01 21:24:40.899 INFO 2504 --- [ main] com.imooc.demo.dao.AreaDaoTest : Starting AreaDaoTest on USER-20161020SX with PID 2504 (started by Administrator in D:\java 学习\牛客网项目(中级)\代码\demo)
2019-04-01 21:24:40.902 INFO 2504 --- [ main] com.imooc.demo.dao.AreaDaoTest : No active profile set, falling back to default profiles: default
2019-04-01 21:24:43.052 INFO 2504 --- [g-Init-Reporter] com.mchange.v2.log.MLog : MLog clients using slf4j logging.
com.mchange.v2.cfg.DelayedLogItem [ level -> FINE, text -> "The configuration file for resource identifier '/mchange-commons.properties' could not be found. Skipping.", exception -> null]
com.mchange.v2.cfg.DelayedLogItem [ level -> FINE, text -> "The configuration file for resource identifier '/mchange-log.properties' could not be found. Skipping.", exception -> null]
com.mchange.v2.cfg.DelayedLogItem [ level -> FINE, text -> "The configuration file for resource identifier '/c3p0.properties' could not be found. Skipping.", exception -> null]
2019-04-01 21:24:43.373 INFO 2504 --- [ main] com.mchange.v2.c3p0.C3P0Registry : Initializing c3p0-0.9.1 [built 16-January-2007 14:46:42; debug? true; trace: 10]
2019-04-01 21:24:45.006 INFO 2504 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor'
2019-04-01 21:24:45.792 INFO 2504 --- [ main] com.imooc.demo.dao.AreaDaoTest : Started AreaDaoTest in 5.617 seconds (JVM running for 7.597)
2019-04-01 21:24:46.357 INFO 2504 --- [ main] c.m.v.c.i.AbstractPoolBackedDataSource : Initializing c3p0 pool... com.mchange.v2.c3p0.ComboPooledDataSource [ acquireIncrement -> 3, acquireRetryAttempts -> 30, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> null, breakAfterAcquireFailure -> false, checkoutTimeout -> 0, connectionCustomizerClassName -> null, connectionTesterClassName -> com.mchange.v2.c3p0.impl.DefaultConnectionTester, dataSourceName -> 2xl0qsa11o8abq11rbcd6c|855019, debugUnreturnedConnectionStackTraces -> false, description -> null, driverClass -> com.mysql.jdbc.Driver, factoryClassLocation -> null, forceIgnoreUnresolvedTransactions -> false, identityToken -> 2xl0qsa11o8abq11rbcd6c|855019, idleConnectionTestPeriod -> 0, initialPoolSize -> 3, jdbcUrl -> jdbc:mysql://localhost:3306/userlogin?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai , lastAcquisitionFailureDefaultUser -> null, maxAdministrativeTaskTime -> 0, maxConnectionAge -> 0, maxIdleTime -> 0, maxIdleTimeExcessConnections -> 0, maxPoolSize -> 15, maxStatements -> 0, maxStatementsPerConnection -> 0, minPoolSize -> 3, numHelperThreads -> 3, numThreadsAwaitingCheckoutDefaultUser -> 0, preferredTestQuery -> null, properties -> {user=******, password=******}, propertyCycle -> 0, testConnectionOnCheckin -> false, testConnectionOnCheckout -> false, unreturnedConnectionTimeout -> 0, usesTraditionalReflectiveProxies -> false ]
java.lang.AbstractMethodError: Method com/mchange/v2/c3p0/impl/NewProxyResultSet.isClosed()Z is abstract
at com.mchange.v2.c3p0.impl.NewProxyResultSet.isClosed(NewProxyResultSet.java)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleRowValuesForSimpleResultMap(DefaultResultSetHandler.java:352)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleRowValues(DefaultResultSetHandler.java:328)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleResultSet(DefaultResultSetHandler.java:301)
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleResultSets(DefaultResultSetHandler.java:194)
at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:65)
at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:79)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:63)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:324)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)
这个到底是怎么回事 不是版本云因 我改了3个版本 都不管用 哪位大神能说一下