C3P0:java.lang.InterruptedException: sleep interrupted

Question

好好的就报异常了~~

警告: com.mchange.v2.resourcepool.BasicResourcePool@8fce95 -- Thread unexpectedly interrupted while performing an acquisition attempt.
java.lang.InterruptedException: sleep interrupted
	at java.lang.Thread.sleep(Native Method)
	at com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1805)
	at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)

Answer 1

好好的就报异常，应该是并发量大了，把缓存关了试试：

<property name="maxStatements">0</property>

不行，在把下面的2个加上：

<property name="numHelperThreads">36</property>
<property name="maxAdministrativeTaskTime">10</property>

Answer 2

log4j？级别改成error咯
c3p0，也不是那么好用，或者看看有新版本没

Answer 3

warn吧，不是error吧。

Answer 4

warn吧，不是error吧。