Today, doing spring + mybatis when integrated system will run as long as a report the following error, engage in a few hours he just did not find a reason
1 警告: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@7de1c0d3 -- 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 (30). Last acquisition attempt exception: 2 java.sql.SQLException: Access denied for user '高欢欢'@'localhost' (using password: YES) 3 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1078) 4 at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4190) 5 at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4122) 6 at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:927) 7 at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1709) 8 at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1252) 9 at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2486) 10 at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2519) 11 at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2304) 12 at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) 13 at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47) 14 at sun.reflect.GeneratedConstructorAccessor7.newInstance(Unknown Source) 15 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) 16 at java.lang.reflect.Constructor.newInstance(Constructor.java:423) 17 at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) 18 at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:416) 19 at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:346) 20 at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection (DriverManagerDataSource.java:135 ) 21 at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection (WrapperConnectionPoolDataSource.java:182 ) 22 at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource .getPooledConnection (WrapperConnectionPoolDataSource.java:171 ) 23 at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool $ 1PooledConnectionResourcePoolManager.acquireResource (C3P0PooledConnectionPool.java:137 ) 24 at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire (BasicResourcePool.java : 1014 ) 25 at com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32) 26 at com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810) 27 at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
The C3P0 replaced Druid is not enough, is preparing to give up, in line to see an article that is a database configuration file in question, immediately carried out some operations
It turned out to be the image above
username
There is a problem, then it is for the user to modify,
But it appeared the following questions
Is your spring and version to version Mybatis-spring and spring to correspond
Specific reference to the following to
