<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[beibiyou的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/beibiyou</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; beibiyou]]></copyright><item><title><![CDATA[mysql安装问题记录]]></title><link>https://blog.youkuaiyun.com/beibiyou/article/details/121014906</link><guid>https://blog.youkuaiyun.com/beibiyou/article/details/121014906</guid><author>beibiyou</author><pubDate>Thu, 28 Oct 2021 15:23:20 +0800</pubDate><description><![CDATA[在安装mysql8之后，可能是我通过程序访问数据库，错误次数达到了一个mysql的上线，导致报错

1129 host is blocked because of many。

是因为错误连接次数过多

show VARIABLES like "%max_connect_errors%"; 系统设置的默认次数，超了这个次数会报错
select * from performance_schema.host_cache;查看错误连接次数

set global max_connect_errors=1000;.]]></description><category></category></item><item><title><![CDATA[I/O error while reading input message; nested exception is java.io.IOException: Stream closed]]></title><link>https://blog.youkuaiyun.com/beibiyou/article/details/100886171</link><guid>https://blog.youkuaiyun.com/beibiyou/article/details/100886171</guid><author>beibiyou</author><pubDate>Mon, 16 Sep 2019 14:05:09 +0800</pubDate><description><![CDATA[post的json字符串输入错误导致ioExpection
]]></description><category></category></item><item><title><![CDATA[程序用debug模式启动，在保存数据代码处，打断点，结果插入多条重复数据，不用debug跑没问题]]></title><link>https://blog.youkuaiyun.com/beibiyou/article/details/90025036</link><guid>https://blog.youkuaiyun.com/beibiyou/article/details/90025036</guid><author>beibiyou</author><pubDate>Thu, 09 May 2019 11:22:10 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[bug总结]]></title><link>https://blog.youkuaiyun.com/beibiyou/article/details/79012554</link><guid>https://blog.youkuaiyun.com/beibiyou/article/details/79012554</guid><author>beibiyou</author><pubDate>Tue, 09 Jan 2018 14:30:21 +0800</pubDate><description><![CDATA[IOException while loading persisted sessions: java.io.EOFException java.io.EOFException
















错误的原因是:EOFException表示输入过程中意外地到达文件尾或流尾的信号,导致从session中获取数据失败。这是由于tomcat上次非正常关闭时有一]]></description><category></category></item><item><title><![CDATA[服务端与PC端]]></title><link>https://blog.youkuaiyun.com/beibiyou/article/details/78264784</link><guid>https://blog.youkuaiyun.com/beibiyou/article/details/78264784</guid><author>beibiyou</author><pubDate>Tue, 17 Oct 2017 18:56:03 +0800</pubDate><description><![CDATA[服务器端和PC端大部分是使用TCP协议来传输数据的
TCP：是通过建立连接来传送数据
UDP：send 方将数据发送出去，send不能保证receive方是否收到数据
PC:
在java中通过Socket类中的方法getOutputStream()获取字节流，字节流调用writer()方法将数据传出去
在创建Socket时用指定IP地址和端口号： Socket socket = new ]]></description><category></category></item></channel></rss>