记录使用MAT(Memory Analyzer Tool)时碰到的一个Bug

Dear 丶 2022-06-07 02:50 222阅读 0赞

### MAT下载地址： ###

[http://www.eclipse.org/mat/downloads.php][http_www.eclipse.org_mat_downloads.php]

### 环境： ###

mac，单独的MAT（非eclipse中的插件）

### 碰到的问题： ###

An error has occurred.  
See the log file  
/Users/%username%/.eclipse/1899417313\_macosx\_cocoa\_x86\_64/configuration/1507391541586.log.

### 该文件中的内容： ###

!SESSION 2017-10-07 23:15:46.593 -----------------------------------------------  
    eclipse.buildId=unknown  
    java.version=1.8.0_144  
    java.vendor=Oracle Corporation  
    BootLoader constants: OS=macosx, ARCH=x86_64, WS=cocoa, NL=zh_CN  
    Framework arguments:  -keyring /Users/%username%/.eclipse_keyring -showlocation  
    Command-line arguments:  -os macosx -ws cocoa -arch x86_64 -keyring /Users/%username%/.eclipse_keyring -showlocation  
    
    !ENTRY org.eclipse.osgi 4 0 2017-10-07 23:15:47.734  
    !MESSAGE Application error  
    !STACK 1  
    java.lang.IllegalStateException: The platform metadata area could not be written: /private/var/folders/lz/qt94_p4j61zgflr_k_5g42q40000gn/T/AppTranslocation/9C4B667A-3C38-448C-BADC-27E119A072B7/d/mat.app/Contents/MacOS/workspace/.metadata.  By default the platform writes its content  
    under the current working directory when the platform is launched.  Use the -data parameter to  
    specify a different content area for the platform.  
    
    ...

这是一个Bug，在 [https://bugs.eclipse.org/bugs/show\_bug.cgi?id=339647\#c5][https_bugs.eclipse.org_bugs_show_bug.cgi_id_339647_c5] 中有记录

### 解决方案： ###

使用命令行打开MemoryAnalyzer，添加-data参数  
如：MemoryAnalyzer -data ./workspace

[http_www.eclipse.org_mat_downloads.php]: http://www.eclipse.org/mat/downloads.php
[https_bugs.eclipse.org_bugs_show_bug.cgi_id_339647_c5]: https://bugs.eclipse.org/bugs/show_bug.cgi?id=339647#c5