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	<title>生信菜鸟团 &#187; EXE4J_JAVA_HOME</title>
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		<title>java环境变量的问题</title>
		<link>http://www.bio-info-trainee.com/2036.html</link>
		<comments>http://www.bio-info-trainee.com/2036.html#comments</comments>
		<pubDate>Wed, 23 Nov 2016 11:34:30 +0000</pubDate>
		<dc:creator><![CDATA[ulwvfje]]></dc:creator>
				<category><![CDATA[生信基础]]></category>
		<category><![CDATA[EXE4J_JAVA_HOME]]></category>
		<category><![CDATA[java]]></category>
		<category><![CDATA[环境变量]]></category>

		<guid isPermaLink="false">http://www.bio-info-trainee.com/?p=2036</guid>
		<description><![CDATA[有篇文章提到了cytoscape，想着一直没用过这个神器对不起我生信大神的称号呀 &#8230; <a href="http://www.bio-info-trainee.com/2036.html">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
				<content:encoded><![CDATA[<div>有篇文章提到了cytoscape，想着一直没用过这个神器对不起我生信大神的称号呀，就下载了准备安装，居然报错了，简直不可思议，因为一直以为它是java软件，一般不需要安装，结果是exe的，只是依赖于java，报错是EXE4J_JAVA_HOME, No JVM could be found on your system，这是个很常见的错误，我 简单搜索了解决方案<a href="https://wincrunch.com/exe4j-java-home-no-jvm-could-be-found-on-your-system/">https://wincrunch.com/exe4j-java-home-no-jvm-could-be-found-on-your-system/</a> 居然无效，但是里面有句话引起了我的注意，通常64位的window电脑的java是安装在Program Files 而不是Program Files (x86)，这才是问题所在，我当初图简单，直接用了JDK来安装JRE，<span style="color: #ff0000;">所以导致软件安装目录错误</span>。有非常多的生物信息学软件都依赖与java，比如IGV,GSEA,cytoscape，一般来说window电脑安装好了java之后这些软件都挺好用的。那么关于java问题，我整理了3个：</div>
<p><span id="more-2036"></span></p>
<div></div>
<div>首先是下载JDK还是JRE的问题：</div>
<div><a href="http://www.oracle.com/technetwork/java/javase/downloads/jre8-downloads-2133155.html">http://www.oracle.com/technetwork/java/javase/downloads/jre8-downloads-2133155.html</a></div>
<div><a href="http://www.oracle.com/technetwork/java/javase/downloads/index.html">http://www.oracle.com/technetwork/java/javase/downloads/index.html</a></div>
<div>都可以的，推荐安装JDK！</div>
<div></div>
<div>然后是安装到 “Program Files”还是 “Program Files (x86)”的问题？</div>
<div>现在的电脑都是64位的了，应该安装到Program Files 而不是Program Files (x86)</div>
<div></div>
<div>最后是可以安装多个版本吗？很明显，是可以的</div>
<div><img src="C:\Users\jimmy1314\AppData\Local\YNote\data\jmzeng1314@163.com\154194fb110c495e9ae0e3005ca19525\clipboard.png" alt="" data-media-type="image" data-attr-org-src-id="0E221D9CF2C444E79BBA38D459D743BF" /></div>
<div><a href="http://www.bio-info-trainee.com/wp-content/uploads/2016/11/13.png"><img class="alignnone size-full wp-image-2037" src="http://www.bio-info-trainee.com/wp-content/uploads/2016/11/13.png" alt="1" width="482" height="135" /></a></div>
<div>一旦安装了 JDK，您即可设置 JAVA_HOME。需要修改环境变量，大家自行搜索吧，</div>
<div>CLASSPATH设置为.;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar;</div>
<div>EXE4J_JAVA_HOME设置为C:\Program Files\Java\jre1.8.0_112\bin ## 我这里安装了两个jre</div>
<div>JAVA_HOME设置为C:\Program Files\Java\jdk1.8.0_111\bin</div>
<div></div>
<div><img class="alignnone size-full wp-image-2038" src="http://www.bio-info-trainee.com/wp-content/uploads/2016/11/21.png" alt="2" width="539" height="294" /></div>
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<div><img class="alignnone size-full wp-image-2039" src="http://www.bio-info-trainee.com/wp-content/uploads/2016/11/3.png" alt="3" width="531" height="294" /></div>
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