标签:异常
使用 proxool,JDBC连接池,进行批量执行的时候遇到异常:
The Thread responsible was named ‘Thread-32′, but the last SQL it performed is unknown because the trace property is not enabled.
问题原因:sql语句执行后,长时间未返回数据,则抛出此异常,此时间再proxool.xml中有配置,如下(详见红色字体部分)
<proxool>
<alias>liveEpg</alias>
<driver-url>jdbc:mysql://127.0.0.1:3306/liveEpg?useUnicode=true&characterEncoding=UTF-8
</driver-url>
<driver-class>com.mysql.jdbc.Driver</driver-class>
<driver-properties>
<property name="user" value="root" />
<property name="password" value="root" />
</driver-properties>
<maximum-connection-count>30</maximum-connection-count>
<minimum-connection-count>1</minimum-connection-count>
<maximum-active-time>900000</maximum-active-time>
<house-keeping-test-sql>select CURRENT_DATE</house-keeping-test-sql>
</proxool>
考虑加大这个参数的值,如果使用配置文件的话,那么就在proxool的配置文件中加上proxool.maximum-active-time=900000(15分钟,单位是毫秒!)或者你所想要的值。
参考网站:http://it.oyksoft.com/post/3983/
标签:异常
原文地址:http://blog.csdn.net/gaopeng0071/article/details/39370091