加入开启注解事务报错
<!-- 开启注解事务 -->
<tx:annotation-driven transaction-manager="transactionManager"/>
Exception in thread "C3P0PooledConnectionPoolManager[identityToken->1hge70u9k1wp860zbirdo5|557c0019]-AdminTaskTimer" java.lang.NullPointerException
at com.mchange.v2.log.log4j.Log4jMLog$Log4jMLogger.isLoggable(Log4jMLog.java:293)
at com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector.run(ThreadPoolAsynchronousRunner.java:729)
at java.util.TimerThread.mainLoop(Unknown Source)
at java.util.TimerThread.run(Unknown Source)