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Why would a JNLP require local admin rights?

843802Jan 11 2008 — edited Jan 21 2008
I'm working as a technical support contact for a user working on a third-party company's web app, which is a JNLP. (I.e.: this is a JNLP I have no control over and no idea how to use, but the goal is simply to get it to launch.)

When I am a local admin, I am able to run the JNLP without issue. If I am not a local admin, the application starts to load... the Web Start appears with the application's logo, name, and a few JARs being loaded. Then, nothing. It closes without any errors, and I'm unsure of where I could find any logs with a trace.

Now, here's the plot twist: the same conditions apply to the Java Console itself. That is, if I am not a local admin, and I try to run the console, Internet Explorer closes. No error, nothing in the event log.

And, another twist: as I tried this across multiple workstations (Terminal servers, actually, running Server 2003 SP2) I discovered one has a different Java build. The problem occurs across several servers running Java 1.6.0_03. The one that's running 1.5.0_09 does NOT have this problem - the JNLP runs fine, and the console runs fine. IE is the same build (5730.11) on all.

I'm not even sure where to begin. I don't know where the find relevant log files, I can't run the console, and there is no obvious way to get general support for a Java issue (technically it has nothing to do with this vendor's JNLP if even the console won't run!) except this jumble of forums. Any and all advice is appreciated.
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Locked on Feb 18 2008
Added on Jan 11 2008
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