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Editorial Team
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Asked: 2026-05-27T09:54:27+00:00

I have a directory /webroot in my linux server. Which permission set is 771,

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I have a directory /webroot in my linux server. Which permission set is 771, that means 1 for others. But I want to make it 773 through java code which like is : 

Process p1 = Runtime.getRuntime().exec("chmod 773 /webroot");

But it can not change the permission.

I also capture the error stream which is like as :

chmod: changing permissions of `/webroot/': Operation not permitted

I saw a nearly related post yesterday, but i could not find the appropriate answer. At this time, what can I do now?

Please any help.

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1 Answer

  1. Editorial Team

    I think the error is pretty clear here. What user is your Java code running as? It most likely doesn’t have permissions to run chmod on that directory.

    Do a ls -l on that directory to see who it is owned by. Make sure that your Java code is running at that same user.

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