nutzam/nutz — Issue #170: 当数据库连接池的连接数耗尽,NutDaoRunner会抛NPE
Author: wendal
Created: 2012-02-29 05:42:58+00:00
State: open

高并发情况下,NutDaoRunner抛NPE异常

```
Caused by: java.lang.NullPointerException
at org.nutz.dao.impl.sql.run.NutDaoRunner.run(NutDaoRunner.java:71)
at org.nutz.dao.impl.DaoSupport._exec(DaoSupport.java:178)
at org.nutz.dao.impl.NutDao$$NUTZAOP._aop_invoke(Unknown Source)
at org.nutz.aop.InterceptorChain.invoke(InterceptorChain.java:76)
at org.nutz.aop.InterceptorChain.doChain(InterceptorChain.java:56)
at org.nutz.aop.interceptor.LoggingMethodInterceptor.filter(LoggingMethodInterceptor.java:48)
at org.nutz.aop.InterceptorChain.doChain(InterceptorChain.java:59)
at org.nutz.dao.impl.NutDao$$NUTZAOP._exec(Unknown Source)
at org.nutz.dao.impl.NutDao.query(NutDao.java:367)
at org.nutz.dao.impl.NutDao$$NUTZAOP._aop_invoke(Unknown Source)
at org.nutz.aop.InterceptorChain.invoke(InterceptorChain.java:76)
at org.nutz.aop.InterceptorChain.doChain(InterceptorChain.java:56)
at org.nutz.aop.interceptor.LoggingMethodInterceptor.filter(LoggingMethodInterceptor.java:48)
at org.nutz.aop.InterceptorChain.doChain(InterceptorChain.java:59)
at org.nutz.dao.impl.NutDao$$NUTZAOP.query(Unknown Source)

```