Exception————c3p0

异常：

2013-1-28 16:27:43 org.apache.catalina.core.StandardContext reload

信息: Reloading this Context has started

2013-1-28 16:28:00 org.apache.coyote.http11.Http11AprProtocol pause

信息: Pausing Coyote HTTP/1.1 on http-8080

2013-1-28 16:28:00 org.apache.coyote.ajp.AjpAprProtocol pause

信息: Pausing Coyote AJP/1.3 on ajp-8009

2013-1-28 16:28:01 org.apache.catalina.core.StandardService stop

信息: Stopping service Catalina

java.lang.RuntimeException : java.sql.SQLException: An SQLException was provoked by the following failure: java.lang.InterruptedException

      at util.C3P0Util.getConnection( C3P0Util.java:51)

      at dao.BaseDAO.getConnection( BaseDAO.java:11)

      at dao.impl.PlatformUserInfoDAOImpl.updatePlatformUserLoginInfo(PlatformUserInfoDAOImpl.java:268)

      at action.ServerStartAction.contextDestroyed(ServerStartAction.java:31)

      at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:4211)

      at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4846)

      at org.apache.catalina.core.StandardContext.reload(StandardContext.java:3422)

      at org.apache.catalina.loader.WebappLoader.backgroundProcess(WebappLoader.java:426)

      at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1357)

      at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1649)

      at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1658)

      at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1658)

      at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1638)

      at java.lang.Thread.run(Unknown Source)

Caused by: java.sql.SQLException: An SQLException was provoked by the following failure: java.lang.InterruptedException

      at com.mchange.v2.sql.SqlUtils.toSQLException( SqlUtils.java:106)

      at com.mchange.v2.sql.SqlUtils.toSQLException( SqlUtils.java:65)

      at com.mchange.v2.sql.SqlUtils.toSQLException( SqlUtils.java:62)

      at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:531)

      at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)

      at util.C3P0Util.getConnection( C3P0Util.java:46)

      ... 13 more

Caused by: java.lang.InterruptedException

      at java.lang.Object.wait( Native Method)

      at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1315)

      at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:557)

      at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:477)

      at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:525)

      ... 15 more

 

发生的情境：

后台一直有定时器在那边跑，而定时器一直在链接数据库查询，每隔30秒拿出链接，可能跟这个与关系。

scheduExec.scheduleWithFixedDelay(thread, 0, 1000*30, TimeUnit.MILLISECONDS);