MAT Memory Analyzer Tool 插件装配(图解)

2012-08-14

MAT Memory Analyzer Tool 插件安装(图解)@author YHC前段时间做了一个项目,Exception in thread main j

MAT Memory Analyzer Tool 插件安装(图解)

@author YHC

前段时间做了一个项目,Exception in thread "main" java.lang.OutOfMemoryError: Java heap space

出现这个错误,所以需要查找原因,所以就用到这个工具,安装比较麻烦,贴出来和大家共享一下:

第一步:下载Eclipse MAT

下载地址:http://www.eclipse.org/mat/downloads.php

MAT Memory Analyzer Tool 插件装配(图解)

第二步:下载之后将压缩包解压,放置到Myeclipse 的\MyEclipse 9\dropins目录下

解压后会看见这些文件: 纠正下面一个错别字不是"写"是 "下"

MAT Memory Analyzer Tool 插件装配(图解)

第三步:按照下图,A,B,C的顺序进行对应的文件的创建

MAT Memory Analyzer Tool 插件装配(图解)

第四部:重启Myeclipse,打开Window->Perferences,你会看见这个项目:

MAT Memory Analyzer Tool 插件装配(图解)

简单的说一下使用(控制台的)如果是tomcat或者是别的服务器需要你去查如何配置JVM参数:

以下是一个会导致java.lang.OutOfMemoryError: Java heap space的程序代码:(very easy)

<br></p><p>然后就到了参数设置的页面,按照A,B的顺序设置参数:(-XX:+HeapDumpOnOutOfMemoryError)避免写错误可以copy</p><p><img src="//img.reader8.net/uploadfile/jiaocheng/20140140/2746/201401271646567158.png" alt="MAT Memory Analyzer Tool 插件装配(图解)"></p><p>运行错误的程序代码会看见以下结果:</p><p><img src="//img.reader8.net/uploadfile/jiaocheng/20140140/2746/201401271646567159.png" alt="MAT Memory Analyzer Tool 插件装配(图解)"></p><p>那么这时候就生成了一个文件<strong>java_pid3708.hprof</strong>,这个文件 在你的项目的根目录下(myeclipse10)</p><p><img src="//img.reader8.net/uploadfile/jiaocheng/20140140/2746/201401271646567160.png" alt="MAT Memory Analyzer Tool 插件装配(图解)"></p><p>那么接下来我们就打开这个文件进行分析如何打开见下图:(选中刚刚在项目根目录下生成的文件<strong>java_pid3708.hprof</strong>打开)</p><p><img src="//img.reader8.net/uploadfile/jiaocheng/20140140/2746/201401271646567161.png" alt="MAT Memory Analyzer Tool 插件装配(图解)"></p><p>打开之后你会看见下图就OK了:</p><p><img src="//img.reader8.net/uploadfile/jiaocheng/20140140/2746/201401271646567162.png" alt="MAT Memory Analyzer Tool 插件装配(图解)"><br></p><p><br></p><p>至于这其中问题如何查找请参考以下连接:</p><p>以下文章已经说的非常详细了:<br></p><p>1.使用 Eclipse Memory Analyzer 进行堆转储文件分析</p><p>2.使用mat进行dump文件分析</p><p>如有问题,请指正!谢谢!<br></p><p><br></p><p><br></p><dl class="comment_item comment_topic"><dt class="comment_head">1楼yhc13429826359昨天 22:06<dd class="comment_body">如果有缺点请帮忙指出,或者是更好的方法,大家共享.我们可以学习到更多.</dl> </p><div class="aged2"><script type="text/javascript">a("article_content_down");</script></div>
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