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From: "Mallder, Valerie" <Valerie.Mallder@jhuapl.edu>
To: "dev@oodt.apache.org" <dev@oodt.apache.org>
Subject: OPSUI unexpected runtime exceptions
Thread-Topic: OPSUI unexpected runtime exceptions
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Date: Thu, 21 Jul 2016 21:15:08 +0000
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Hi All,

On the home page of the OPSUI (in OODT-1.0), there is a link called "Config=
uration" which takes you to a page that has 4 tabs called "File Manager", "=
Workflow Manager", "Resource Manager" and "PGE Configuration". The "File Ma=
nager" tab links to this very same page, so if you click on it, you stay on=
 that page.  But, when you click on each of the "Workflow Manager", "Resour=
ce Manager" and "PGE Configuration" tabs you get an Unexpected RuntimeExcep=
tion with the message:

WicketMessage: ITab.getPanel() returned null. TabbedPanel [15:tabs] ITab in=
dex [3]

So, I went hunting through the java code and I found that indeed each of th=
ese tabs are coded to return 'null', as shown on lines 67, 82 and 97 of the=
 file: pcs/opsui/src/main/java/org/apache/oodt/pcs/opsui/config/ConfigPage.=
java. For some reason, I thought these links used to actually link to somet=
hing rather than yield an exception. I don't ever remember getting these ex=
ceptions before, but I could be remembering it wrong since it's been a whil=
e since I've tried to bring up the OPSUI.  Are these tabs on the ConfigPage=
 stubbed out like this on purpose?

I also noticed, on the home page, if you hover your mouse over the "Resourc=
e Manager" link, you see the link is pointing to "localhost:8080/opsui/null=
" - and so you get another Unexpected RuntimeException when you click on it=
.  So, I went hunting for that one too, and I found on line 79 of pcs/opsui=
/src/main/java/org/apache/oodt/pcs/opsui/HomePage.java it has put a hyperli=
nk on the page that is supposed to point to the "ganglia url". I have no id=
ea what ganglia is, but I also I don't remember getting runtime exceptions =
from this link either. I remember being able to view the resource manager p=
age just fine (as long as I was running the resource manager that is) in ve=
rsions as far back as 0.8.

So, I started looking in Jira, and I found OODT-669 "Make Resource Manager =
work without Ganglia" which says it was fixed in version 0.7.    But, I don=
't see any corresponding Jira issues called "Make OPSUI work without Gangli=
a".  :(

Does anyone know how I can clear up these unexpected runtime exceptions fro=
m OPSUI?  I'm trying to get it set up to use in our production pipeline for=
 the JEDI instrument on JUNO, and it doesn't look so good to be getting exc=
eptions like these.  Could I have something wring in my configuration? I ca=
n guarantee you that GANGLIA_URL is set to null because I have no idea what=
 it :)

Thanks,
Val


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