druid 异常 com.alibaba.druid.pool.GetConnectionTimeoutException

datasource节点添加 以下

<!-- 超过时间限制是否回收 --> 
<property name="removeAbandoned" value="true" /> 
<!-- 超时时间；单位为秒。180秒=3分钟 --> 
<property name="removeAbandonedTimeout" value="180" /> 
<!-- 关闭abanded连接时输出错误日志 --> 
<property name="logAbandoned" value="true" />

抛如下异常：

2016-12-27 14:35:22.773 [Druid-ConnectionPool-Destroy-1821010113] ERROR com.alibaba.druid.pool.DruidDataSource - abandon connection, owner thread: quartzScheduler_Worker-1, connected time nano: 506518587214834, open stackTrace
at java.lang.Thread.getStackTrace(Thread.java:1552)
at com.alibaba.druid.pool.DruidDataSource.getConnectionDirect(DruidDataSource.java:1014)
at com.alibaba.druid.filter.FilterChainImpl.dataSource_connect(FilterChainImpl.java:4544)
at com.alibaba.druid.filter.stat.StatFilter.dataSource_getConnection(StatFilter.java:662)
at com.alibaba.druid.filter.FilterChainImpl.dataSource_connect(FilterChainImpl.java:4540)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:938)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:930)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:102)
at com.xxx.doCopyIn(AppQustionSync.java:168)
at com.xxx.executeInternal(AppQustionSync.java:99)
at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:75)
at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:573)

红色标注处连接未释放，查看代码，