背景

在生产环境中，需要把安装包从本地传到服务器上，传输过程中网络抖动的原因造成大文传输失败。可以将文件分包压缩成200M或500M大小的文件，然后分批传输到服务器。最近生产环境传输了starrocks的安装包，分包压缩之后上传服务器文件，然后合成一个大包，在进行解压的时候出现解压失败的问题。根据报错提示增加环境变量，将问题解决。

解压出现报错

#多个包合成一个包
[root@test 14:13:53]:/opt/sr/SR2.5 #cat sr2.5.z* >> Starrocks2.5.zip
#解压报错
#unzip Starrocks2.5.zip 
Archive:  Starrocks2.5.zip
error: End-of-centdir-64 signature not where expected (prepended bytes?)
  (attempting to process anyway)
warning [Starrocks2.5.zip]:  zipfile claims to be last disk of a multi-part archive;
  attempting to process anyway, assuming all parts have been concatenated
  together in order.  Expect "errors" and warnings...true multi-part support
  doesn't exist yet (coming soon).
warning [Starrocks2.5.zip]:  2097152000 extra bytes at beginning or within zipfile
  (attempting to process anyway)
file #1:  bad zipfile offset (local header sig):  2097152004
  (attempting to re-compensate)
   creating: SR2.5/
error: invalid zip file with overlapped components (possible zip bomb)
 To unzip the file anyway, rerun the command with UNZIP_DISABLE_ZIPBOMB_DETECTION=TRUE environmnent variable

设置环境变量解决

UNZIP_DISABLE_ZIPBOMB_DETECTION=TRUE
export UNZIP_DISABLE_ZIPBOMB_DETECTION

再次解压成功

[root@test 14:14:19]:/opt/sr/SR2.5 #cd ..
[root@test 14:17:50]:/opt/sr #unzip Starrocks2.5.zip 

这个问题记录在草稿箱存了一段时间了，趁着23的尾巴处理了一下。其实最重要的就是 设置环境变量解决 那两行命令。
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