5 回答java.lang.IllegalStateException: Failed to load ApplicationContext

3 回答com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@7611472b -- 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

1 回答Resoure cannot be resolved to a type

1 回答有mysql驅動jar包，可系統Could not load driverClass com.mysql.jdbc.Driver？

2 回答Class<SpringJUnit4ClassRunner> cannot be resolved to a type