perfSONAR User Q&A and Other Discussion

[Barney Garrett <>]

Sorry to jump in on someone else's thread but I've tried this.

I'd got most of the prerequisites installed from pre-release versions. 
Just needed eXist and a the 1.5 version of JAVA.  However the 
instructions for the actual install of the perfsonar stuff is worse than 
it was before (in my opinion).  I kinda managed to get the last snapshot 
working but with this I don't know where to start.

The docs for the actual install seem to be non existant.
I also get and error :
Split loop at -e line 1, <> line 1.

During install of both the gui version and the headless install.

On the headless install it happens just after :
Do you want the installer to configure eXist for you?[y/n]: y
eXist admin password:

A backup of the old eXist database will be in '/opt/perfSONAR-1.0/conf'.
Running the 'restore' shell script will roll back the database.

looks like there is and error in the load-exist.sh script .. I think it 
is the split command for the url for the exist db.
@exist = split(/xmldb:exist:\/\/\w+:\d+\/exist\/xmlrpc/, $array[0]);
I believe it needs to be :
@exist = split(/xmldb:exist:\/\/\w+:\d+\/exist\/xmlrpc/, '$array[0]');

however even that doesn't work properly as nothing goes in the db and in 
 log/exist..install there is  :

Could not retrieve collection /db
java.lang.NullPointerException
        at 
org.exist.client.InteractiveClient.shutdown(InteractiveClient.java:2247)
        at 
org.exist.client.InteractiveClient.run(InteractiveClient.java:2038)
        at 
org.exist.client.InteractiveClient.main(InteractiveClient.java:234)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.exist.start.Main.invokeMain(Main.java:117)
        at org.exist.start.Main.run(Main.java:364)
        at org.exist.start.Main.main(Main.java:48

So do I want to want the MA to use an eXist database?
Do I want the allow the MA to store data? (what does this mean ?)

If I use the eXist db method how do I add/modify MA's.

Cheers

Barney Garrett


Jason Zurawski wrote:
> Chris;
> > As I understand, there needs to be plenty of installation works (Java, 
> > Apache, Tomcat/Axis, eXist) even before the perfSONAR java installation.
> > Is there a installation guide for this stuff?
> > On the www.perfsonar.net I can only find a guide for perfSONAR package
> > itself, but not the the pre-Install requirements :)
> >   
>
> The README that comes in the package outlines the pre-install tasks, you 
> can also see it here:
>
> http://anonsvn.internet2.edu/svn/perfsonar/branches/release/perfsonar/releng/perfSONAR-1.0/Readme.txt 
>
>
> > Keep in mind, I'm only a Network Engineer, not a Developer or Sys 
> > Admin :)
> > So until there is a real easy way to install it, or I get enough time 
> > on my hands to figure it out myself, the SWITCH RRD and ping MA will 
> > remain based on the python version.
> >
> >   
>
> I would be curious on your feedback if you do choose to install it, we 
> want to make the process as painless and easy to understand as possible.
>
> -jason