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Tomcat/Linux User

Posted on 2002-04-15
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Last Modified: 2013-11-24
I am trying to set up Tomcat to run under a user other than root.  I've changed the owner of the tomcat directories and tried to start tomcat with the new user, but I see in catalina.out the message:

java.net.BindException: Permission Denied.

I've already verified that no other processes are using the desired port (which is 80).

Any thoughts?
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Question by:Laminamia063099
6 Comments
 
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Expert Comment

by:coreyit
ID: 6943199
Any processes on a port below 1024 must be run by a super user.

-corey
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by:shyamkumarreddy
ID: 6944280
Laminamia,
Do you have permission to create socket. I don't think, Please check for the user privilege for socket creation. That is the one probs.
Other one is. Port being already used.
Pls verify which port u r running the tomcat and change to any port.

Shyam
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by:Laminamia063099
ID: 6944950
Thanks all for your quick response.

Corey:
  To be a super-user does not require that the user be root, correct?  If so, what do I need to do to set up a user, for instance the user 'tomcat', to be a 'super-user' and thus have the privileges necessary?

Thanks!
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coreyit earned 100 total points
ID: 6946833
I'm pretty sure that you can assign super-user rights to other users on linux, but I'm not sure how to go about that. If you are able to run linuxconf (as root), I think you'll find some options.

A better option (probably) is to configure apache and tomcat to work together so that apache listens on port 80 to pass jsp/servlet requests to tomcat. Of course, you'd still have to have the rights to stop and start apache, but once the connection is set up, you should seldom have to do that.

-corey
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by:Venci75
ID: 7940722
No comment has been added lately, so it's time to clean up this TA.
I will leave a recommendation in the Cleanup topic area that this question is:
Answered by: coreyit
Please leave any comments here within the next seven days.
 
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Venci75
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by:Laminamia063099
ID: 7942424
I haven't been able to implement the suggestion, but the answer as to why I could not is correct.
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