4
"http-nio-8282-exec-444" #499 daemon prio=5 os_prio=0 tid=0x00007f6b60360000 nid=0xc135 waiting on condition [0x00007f6b15555000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method)
parking to wait for <0x00000000b0250fe0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at com.alibaba.druid.pool.DruidDataSource.takeLast(DruidDataSource.java:1899) at com.alibaba.druid.pool.DruidDataSource.getConnectionInternal(DruidDataSource.java:1460) at com.alibaba.druid.pool.DruidDataSource.getConnectionDirect(DruidDataSource.java:1255) at com.alibaba.druid.filter.FilterChainImpl.dataSource_connect(FilterChainImpl.java:5007) 所有的查询都会阻塞到这儿，