Packet for query is too large(mysql写入数据过大)
2013-12-12 16:55
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Packet for query is too large(mysql写入数据过大)
错误现象:org.springframework.jms.UncategorizedJmsException: Uncategorized exception occured during JMS processing; nested exception is javax.jms.JMSException: Packet for query is too large (2491451 > 1048576). You can change this value on the server by setting the max_allowed_packet' variable解决办法:MySQL的一个系统参数:max_allowed_packet,其默认值为1048576(1M),
查询:show VARIABLES like '%max_allowed_packet%';
修改此变量的值:
MySQL安装目录下的
my.ini文件中的[mysqld]段中的"max_allowed_packet = 1M",(可能有些文件会没有这一行的)
格式为:
[mysqld]
max_allowed_packet = 1M( 将1M更改为4M(如果没有这行内容,增加一行)),
保存,
重起MySQL服务。
现在可以load大于1M的文件了
#Mysql出自:http://hi.baidu.com/liyanqin2288/item/f0eb2b36b9fd5ecd2e8ec259?qq-pf-to=pcqq.c2c但是在我在我的系统里面没有找到my.ini,倒是看到了my.cnf,同理和上面一样的改法
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