hibernate异常 求解

Question

Exception in thread "C3P0PooledConnectionPoolManager-AdminTaskTimer" java.lang.NullPointerException
at com.mchange.v2.log.log4j.Log4jMLog$Log4jMLogger.isLoggable(Log4jMLog.java:281)
at com.mchange.v2.resourcepool.BasicResourcePool$CullTask.run(BasicResourcePool.java:2072)
at java.util.TimerThread.mainLoop(Timer.java:512)
at java.util.TimerThread.run(Timer.java:462)

Answer 1

打断点，DEBUG，看是哪里出现空指针，哪块传值出现问题。