<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Freya0110的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Freya0110</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Freya0110]]></copyright><item><title><![CDATA[IDEA启动报错]]></title><link>https://blog.youkuaiyun.com/Freya0110/article/details/89035386</link><guid>https://blog.youkuaiyun.com/Freya0110/article/details/89035386</guid><author>Freya0110</author><pubDate>Thu, 04 Apr 2019 20:56:59 +0800</pubDate><description><![CDATA[刚安装好IDEA，启动时确报了这个错误。if you already have a -bit JDK installed,define a JAVA_HOME variable in...

原来是破解软件的时候再安装路劲/bin下的idea.exe.vmoptions和idea64.exe.vmoptions添加破解jar路径前少写了-javaagent:


...]]></description><category></category></item><item><title><![CDATA[依赖突然不起作用了]]></title><link>https://blog.youkuaiyun.com/Freya0110/article/details/87936799</link><guid>https://blog.youkuaiyun.com/Freya0110/article/details/87936799</guid><author>Freya0110</author><pubDate>Tue, 26 Feb 2019 15:58:03 +0800</pubDate><description><![CDATA[jar包都在，突然发现依赖不起作用了，这是什么原因呢？请看下面的操作。去Project Structure-modules重新添加依赖哦~

1. 事先下载完成需要的javacsv.jar包。

 java项目在没有导入该jar包之前，显示如下图所示



2. 点击 File -&amp;gt; Project Structure（快捷键 Ctrl + Alt + Shift + s），点击Projec...]]></description><category></category></item><item><title><![CDATA[IDEA java:找不到符号]]></title><link>https://blog.youkuaiyun.com/Freya0110/article/details/83624616</link><guid>https://blog.youkuaiyun.com/Freya0110/article/details/83624616</guid><author>Freya0110</author><pubDate>Thu, 01 Nov 2018 18:00:22 +0800</pubDate><description><![CDATA[File-Settings-Build,Execution,Deployment-Compiler-Excludes, 点击“+”号，添加本工程

]]></description><category></category></item><item><title><![CDATA[python初学的小坑]]></title><link>https://blog.youkuaiyun.com/Freya0110/article/details/82380714</link><guid>https://blog.youkuaiyun.com/Freya0110/article/details/82380714</guid><author>Freya0110</author><pubDate>Tue, 04 Sep 2018 11:23:17 +0800</pubDate><description><![CDATA[初学python，发现一点小坑，我写了个pyhon脚本，一运行，结果报错：import: unable to open X server `' @ error/import.c/ImportImageCommand/369

找了半天也没发现问题，摸不着头脑，最后再https://stackoverflow.com/questions/19507096/python-error-import-un...]]></description><category></category></item><item><title><![CDATA[【转载】Servlet原理]]></title><link>https://blog.youkuaiyun.com/Freya0110/article/details/82349378</link><guid>https://blog.youkuaiyun.com/Freya0110/article/details/82349378</guid><author>Freya0110</author><pubDate>Mon, 03 Sep 2018 15:29:26 +0800</pubDate><description><![CDATA[有关servlet原理，这篇文章写得非常好，结合源码进行分析，很清晰明了。

https://www.cnblogs.com/whgk/p/6399262.html]]></description><category></category></item><item><title><![CDATA[[转]shell脚本执行错误 $'\r':command not found]]></title><link>https://blog.youkuaiyun.com/Freya0110/article/details/82226197</link><guid>https://blog.youkuaiyun.com/Freya0110/article/details/82226197</guid><author>Freya0110</author><pubDate>Thu, 30 Aug 2018 18:45:00 +0800</pubDate><description><![CDATA[Linux下有命令dos2unix

你只要输入dos2unix *.sh就可以完成转换工作了

如果命令不存在的话就用如下命令安装

yum install dos2unix -y

]]></description><category></category></item><item><title><![CDATA[[IDEA]unable to open debugger port 127.0.0.1:51699 java.net.socketException socket closed]]></title><link>https://blog.youkuaiyun.com/Freya0110/article/details/80242638</link><guid>https://blog.youkuaiyun.com/Freya0110/article/details/80242638</guid><author>Freya0110</author><pubDate>Tue, 08 May 2018 17:10:49 +0800</pubDate><description><![CDATA[原因是任务管理器-详细信息下有多个java.exe，结束这些进程的任务即可。]]></description><category></category></item><item><title><![CDATA[如何理解缺省servlet]]></title><link>https://blog.youkuaiyun.com/Freya0110/article/details/80196981</link><guid>https://blog.youkuaiyun.com/Freya0110/article/details/80196981</guid><author>Freya0110</author><pubDate>Fri, 04 May 2018 17:02:20 +0800</pubDate><description><![CDATA[缺省，也就是默认的意思。servlet-mapping里面的url-pattern中配置为/的，对应的servlet就是缺省servlet。在tomcat的安装目录下，有一个conf目录，里面有一个web.xml，这个web.xml可以理解为该tomcat中的所有工程的web.xml的父类，tomcat安装目录/conf/web.xml里，ctrl+F搜索&amp;lt;url-pattern&amp;gt;/&amp;...]]></description><category></category></item><item><title><![CDATA[java.lang.AbstractMethodError: org.mybatis.spring.transaction.SpringManagedTransaction.getTimeout()L]]></title><link>https://blog.youkuaiyun.com/Freya0110/article/details/79962357</link><guid>https://blog.youkuaiyun.com/Freya0110/article/details/79962357</guid><author>Freya0110</author><pubDate>Mon, 16 Apr 2018 16:26:23 +0800</pubDate><description><![CDATA[在MAVEN项目里面，在整合spring和mybatis在执行数据库操作的时候报出了：java.lang.AbstractMethodError: org.mybatis.spring.transaction.SpringManagedTransaction.getTimeout()L错误在网上搜的大多说是jar包版本不兼容的问题。但想想，不应该啊，这是他们原有的系统，难道有做过升级吗，最后尝试着...]]></description><category></category></item><item><title><![CDATA[java.lang.IllegalArgumentException: Mapped Statements collection already contains value for xxx.xxx]]></title><link>https://blog.youkuaiyun.com/Freya0110/article/details/79960888</link><guid>https://blog.youkuaiyun.com/Freya0110/article/details/79960888</guid><author>Freya0110</author><pubDate>Mon, 16 Apr 2018 15:13:56 +0800</pubDate><description><![CDATA[初次配置mybatis，运行时出错，报错信息如下java.lang.IllegalArgumentException: Mapped Statements collection already contains value for xxx.xxx.dao.methodname后来发现原来是mybatis.xml文件中对mapper.xml文件引入了两次以下是我的配置：mybatis.xml配置sq...]]></description><category></category></item><item><title><![CDATA[Springmvc rest 传递json报415错误（The server refused this request because the request entity is in a forma]]></title><link>https://blog.youkuaiyun.com/Freya0110/article/details/79916221</link><guid>https://blog.youkuaiyun.com/Freya0110/article/details/79916221</guid><author>Freya0110</author><pubDate>Thu, 12 Apr 2018 16:44:57 +0800</pubDate><description><![CDATA[Springmvc rest 传递json报415错误报错如下：（The server refused this request because the request entity is in a format not supported by the requested resource for the requested method.） --------------------------...]]></description><category></category></item><item><title><![CDATA[java.lang.NoClassDefFoundError: javax/servlet/http/HttpServletRequest解决办法]]></title><link>https://blog.youkuaiyun.com/Freya0110/article/details/79874381</link><guid>https://blog.youkuaiyun.com/Freya0110/article/details/79874381</guid><author>Freya0110</author><pubDate>Mon, 09 Apr 2018 23:03:30 +0800</pubDate><description><![CDATA[有时候IDEA突然就报错了，报错信息如下：这时候，需要添加一个依赖就能解决问题&amp;lt;dependency&amp;gt;
  &amp;lt;groupId&amp;gt;org.springframework.boot&amp;lt;/groupId&amp;gt;
  &amp;lt;artifactId&amp;gt;spring-boot-starter-tomcat&amp;lt;/artifactId&amp;gt;
  &amp;lt;version&amp;gt;1...]]></description><category></category></item><item><title><![CDATA[IDEA如何给ANT项目手动添加依赖的两种方法]]></title><link>https://blog.youkuaiyun.com/Freya0110/article/details/79817438</link><guid>https://blog.youkuaiyun.com/Freya0110/article/details/79817438</guid><author>Freya0110</author><pubDate>Wed, 04 Apr 2018 15:05:25 +0800</pubDate><description><![CDATA[方法一：项目目录下，找到存放jar包的目录（一般为lib），将里面的jar包全选中，右键，add as library方法二：File-Project Structure，按照图二的红色放款添加依赖，点击+号后，选择JARs or directories，开始选择项目中存放jar包的目录，全选中jar包添加即可。...]]></description><category></category></item><item><title><![CDATA[eclipse错误: 找不到或无法加载主类]]></title><link>https://blog.youkuaiyun.com/Freya0110/article/details/77893754</link><guid>https://blog.youkuaiyun.com/Freya0110/article/details/77893754</guid><author>Freya0110</author><pubDate>Fri, 08 Sep 2017 13:50:34 +0800</pubDate><description><![CDATA[出现几次这种问题了，最后项目-邮件-Build Path-Configure Build Path-Project Facts，把Java的version还成1.8就好了。2018.4.4更新：前两天又出现这种问题，结果上面方法不管用，重新build一下项目就好啦~~...]]></description><category></category></item><item><title><![CDATA[[测试]java.security.NoSuchAlgorithmException HmacSHA256 not available.]]></title><link>https://blog.youkuaiyun.com/Freya0110/article/details/76531055</link><guid>https://blog.youkuaiyun.com/Freya0110/article/details/76531055</guid><author>Freya0110</author><pubDate>Tue, 01 Aug 2017 15:12:38 +0800</pubDate><description><![CDATA[最近遇到java.security.NoSuchAlgorithmException: Algorithm HmacSHA256 not available.这个问题，在网上搜了半天，都说是jre的问题，但是之前没出现过这种问题的，弄了半天也没解决。后来突然想到自己之前改了eclipse一个地方，之前把这个地址改成了C:\Program Files\Java\jdk1.8.0_05，现在改回C:\...]]></description><category></category></item></channel></rss>