<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[java1949java的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/java1949java</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; java1949java]]></copyright><item><title><![CDATA[mac调整idea内存]]></title><link>https://blog.youkuaiyun.com/java1949java/article/details/103048396</link><guid>https://blog.youkuaiyun.com/java1949java/article/details/103048396</guid><author>java1949java</author><pubDate>Wed, 13 Nov 2019 14:16:51 +0800</pubDate><description><![CDATA[第一步设置



第二步：

网上很多设置contents包下面的idea.vmoptions，发现设置没生效，用命令行找下这个idea设置在哪



第三步：修改jvm参数，重启idea,发现最大运行内存可以设置成2G了

-Xms1024m

-Xmx2048m

-XX:ReservedCodeCacheSize=1024m

-XX:+UseConcMarkSweepGC

-Dfile....]]></description><category></category></item><item><title><![CDATA[Bitbucket上克隆出代码到本地]]></title><link>https://blog.youkuaiyun.com/java1949java/article/details/102897288</link><guid>https://blog.youkuaiyun.com/java1949java/article/details/102897288</guid><author>java1949java</author><pubDate>Mon, 04 Nov 2019 15:27:06 +0800</pubDate><description><![CDATA[要克隆的代码路径点击克隆，出来ssh地址，在使用git克隆此地址代码
]]></description><category></category></item><item><title><![CDATA[git强制覆盖所在分支远程代码到本地]]></title><link>https://blog.youkuaiyun.com/java1949java/article/details/102897190</link><guid>https://blog.youkuaiyun.com/java1949java/article/details/102897190</guid><author>java1949java</author><pubDate>Mon, 04 Nov 2019 15:23:39 +0800</pubDate><description><![CDATA[所要恢复的pom文件右键选择Open in Terminal

然后分别执行

git fetch --all

git reset --hard origin/master
]]></description><category></category></item><item><title><![CDATA[SpringMVC常用注解,返回方式,路径匹配形式]]></title><link>https://blog.youkuaiyun.com/java1949java/article/details/100896023</link><guid>https://blog.youkuaiyun.com/java1949java/article/details/100896023</guid><author>java1949java</author><pubDate>Mon, 16 Sep 2019 18:00:04 +0800</pubDate><description><![CDATA[1、@RequestMapping注解小结：

 @RequestMapping 可以标注在类定义处，将 Controller 和特定请求关联起来；还可以标注在方法签名处，以便进一步对请求进行分流。配套的属性有：
value 需要跳转的地址
method 基于RestFul的跳转参数,有RequestMethod.get post put delete等
params 符合某个参数的时...]]></description><category></category></item><item><title><![CDATA[传入0值使用MyBatis查询不生效的原因]]></title><link>https://blog.youkuaiyun.com/java1949java/article/details/96439122</link><guid>https://blog.youkuaiyun.com/java1949java/article/details/96439122</guid><author>java1949java</author><pubDate>Thu, 18 Jul 2019 17:41:02 +0800</pubDate><description><![CDATA[在Java开发过程中，免不了会使用到MyBatis。有时在做查询的时候传入一个0值会不生效。这是什么原因呢？

这其实是MyBatis的一个坑。博主就遇到了，特此写下这篇文章来记录下。



有个是否激活的查询，查询激活的没有问题，查询未激活的就是不生效。



在MyBatis中自动判断Integer为0时为false，即isActived == ‘’。所以这个判断就不生效了。

只需将字符空值...]]></description><category></category></item><item><title><![CDATA[windows中tomcat查看和杀死进程]]></title><link>https://blog.youkuaiyun.com/java1949java/article/details/96335590</link><guid>https://blog.youkuaiyun.com/java1949java/article/details/96335590</guid><author>java1949java</author><pubDate>Wed, 17 Jul 2019 17:51:08 +0800</pubDate><description><![CDATA[前提：确保自己tomcat的端口号是8080（默认是8080），如果自己改过端口号，则按自己修改后的端口号来查（netstat -ano|findstr xxxx）

1.快捷键windows+R

2.输入cmd

3.输入netstat -ano|findstr 8080



4.输入taskkill /F /PID 2316

注意：要把后面的进程号全部杀死才行（2316、5376），直到...]]></description><category></category></item><item><title><![CDATA[mysql连接报“Communications link failure”错误]]></title><link>https://blog.youkuaiyun.com/java1949java/article/details/94580585</link><guid>https://blog.youkuaiyun.com/java1949java/article/details/94580585</guid><author>java1949java</author><pubDate>Wed, 03 Jul 2019 17:31:33 +0800</pubDate><description><![CDATA[看着好多文章说的是修改

wait_timeout=2147483

interactive_timeout=2147483

修改了没结局。看了看代码


Connection conn = DriverManager.getConnection(url, username, password);

是这个url,username,password都为null,导致获取 数据库连接失败
...]]></description><category></category></item><item><title><![CDATA[eclipse debug启动Unable to install breakpoint in XXX 解决办法]]></title><link>https://blog.youkuaiyun.com/java1949java/article/details/84344284</link><guid>https://blog.youkuaiyun.com/java1949java/article/details/84344284</guid><author>java1949java</author><pubDate>Thu, 22 Nov 2018 16:36:36 +0800</pubDate><description><![CDATA[问题描述:debug启动的时候，出现

解决方案：到window-preferences-java-compiler把Add line number attributes..的√去掉，然后保存，然后再把√勾上，清除所有短点]]></description><category></category></item><item><title><![CDATA[windows电脑重新装完系统之后再重新启动老是诊断]]></title><link>https://blog.youkuaiyun.com/java1949java/article/details/84344231</link><guid>https://blog.youkuaiyun.com/java1949java/article/details/84344231</guid><author>java1949java</author><pubDate>Thu, 22 Nov 2018 16:34:38 +0800</pubDate><description><![CDATA[启动之后卡住的页面上，在高级设置中禁用驱动程序签名强制]]></description><category></category></item><item><title><![CDATA[org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].Standar]]></title><link>https://blog.youkuaiyun.com/java1949java/article/details/84326183</link><guid>https://blog.youkuaiyun.com/java1949java/article/details/84326183</guid><author>java1949java</author><pubDate>Wed, 21 Nov 2018 17:06:40 +0800</pubDate><description><![CDATA[ 报的是有两个StaticLoggerBinder类，排除之中一个类下的包

]]></description><category></category></item><item><title><![CDATA[java项目报异常：Mapped Statements collection already contains value for..]]></title><link>https://blog.youkuaiyun.com/java1949java/article/details/84325989</link><guid>https://blog.youkuaiyun.com/java1949java/article/details/84325989</guid><author>java1949java</author><pubDate>Wed, 21 Nov 2018 16:58:13 +0800</pubDate><description><![CDATA[Mapper.xml中的方法id重复]]></description><category></category></item><item><title><![CDATA[Java链接Redis时出现 “ERR Client sent AUTH, but no password is set” 异常的原因及解决办法]]></title><link>https://blog.youkuaiyun.com/java1949java/article/details/84325953</link><guid>https://blog.youkuaiyun.com/java1949java/article/details/84325953</guid><author>java1949java</author><pubDate>Wed, 21 Nov 2018 16:56:44 +0800</pubDate><description><![CDATA[Redis服务器没有设置密码，但客户端向其发送了AUTH（authentication，身份验证）请求。]]></description><category></category></item><item><title><![CDATA[去掉 IDEA 中 mybatis配置文件的局部背景颜色]]></title><link>https://blog.youkuaiyun.com/java1949java/article/details/84325853</link><guid>https://blog.youkuaiyun.com/java1949java/article/details/84325853</guid><author>java1949java</author><pubDate>Wed, 21 Nov 2018 16:52:35 +0800</pubDate><description><![CDATA[https://blog.youkuaiyun.com/qq_31156277/article/details/77802767]]></description><category></category></item><item><title><![CDATA[弹出插件layer 的icon的数值对应的图标是什么]]></title><link>https://blog.youkuaiyun.com/java1949java/article/details/84325662</link><guid>https://blog.youkuaiyun.com/java1949java/article/details/84325662</guid><author>java1949java</author><pubDate>Wed, 21 Nov 2018 16:44:35 +0800</pubDate><description><![CDATA[https://jingyan.baidu.com/article/4dc408486e2ee2c8d946f1a0.html]]></description><category></category></item></channel></rss>