Dynamically Linked Library Problem (maybe)

[Igor Pokrovsky]

On Mon, Feb 28, 2005 at 11:48:14PM +0200, Cole wrote:
> Hey.
> 
> I have a Freebsd server running freebsd-4.9-stable.
> I cvsupped the ntop src last week for 3.1.1.
> 
> I then had no problems what so ever building ntop, except for the xml plugin saying it was not built, cause it cannot find
> xmlversion.h, even though I have libxml installed, and specified the right paths to the .h. But that is not the problem.
> Ntop runs and works fine on this box, not a single problem that I can see.
> 
> The problem is that, I have a few other servers, that I want to copy ntop too, but dont want to build it on all those boxes. I
> created a tar with all the ntop binaries, as well as all the libraries that its linked too, as well as all the plugins that ntop
> uses from both the /usr/local/lib directory as well as the plugins from the /usr/local/lib/ntop/plugins directory. I rebuilt all the
> symbolic links for all the libraries and plugins and all the files that ntop was linked too. I have also checked all the permissions
> on all the files and they are all the same.
> 
> One other thing, the boxes that I am copying ntop to, are almost exact duplicates of the first box that I built ntop on, and where
> it works fine.
> 
> The problem is, when running ntop on the boxes that I copied it to, after checking all the permissions and links and everything, I
> get these errors with regards to the plugins.
> 
> Tue Mar  1 05:37:16 2005  **WARNING** Unable to locate plugin '/usr/local/lib/ntop/plugins/icmpPlugin.so' entry function [Invalid
> shared object handle 0x29a14000]
> Tue Mar  1 05:37:16 2005  **WARNING** Unable to locate plugin '/usr/local/lib/ntop/plugins/snmpPlugin.so' entry function [Invalid
> shared object handle 0x29a16400]
> Tue Mar  1 05:37:16 2005  **WARNING** Unable to locate plugin '/usr/local/lib/ntop/plugins/sflowPlugin.so' entry function [Invalid
> shared object handle 0x29a19800]
> Tue Mar  1 05:37:16 2005  **WARNING** Unable to locate plugin '/usr/local/lib/ntop/plugins/rrdPlugin.so' entry function [Invalid
> shared object handle 0x29a1bc00]
> Tue Mar  1 05:37:16 2005  **WARNING** Unable to locate plugin '/usr/local/lib/ntop/plugins/pdaPlugin.so' entry function [Invalid
> shared object handle 0x2bcae400]
> Tue Mar  1 05:37:16 2005  **WARNING** Unable to locate plugin '/usr/local/lib/ntop/plugins/netflowPlugin.so' entry function [Invalid
> shared object handle 0x2d862800]
> Tue Mar  1 05:37:16 2005  **WARNING** Unable to locate plugin '/usr/local/lib/ntop/plugins/lastSeenPlugin.so' entry function
> [Invalid shared object handle 0x2d866c00]
> Tue Mar  1 05:37:16 2005  **WARNING** Unable to locate plugin '/usr/local/lib/ntop/plugins/xmldumpPlugin.so' entry function [Invalid
> shared object handle 0x2f697000]
> 
> I have absolutely no idea how this has happened, and I have had this problem before, and not a single other person was able to help
> me in any regards what so ever. I was hoping maybe someone would at least know what this error even means, so that I have some idea
> of what I am meant to be doing to fix this.
> 
> If anyone has any idea, I would gladly apprecaite any suggestions.

It seems to me error messages mean one thing - those plugins were corrupted
in some way. It is also not clear from your message - are you using net/ntop
from ports tree or you are building it from sources manually?
In case of problems when building from a port you'd better ping port maintainer.

-ip

-- 
You are never given enough time or money.