"No Instance available" message
"No Instance available" message
- Subject: "No Instance available" message
- From: "Jerry W. Walker" <email@hidden>
- Date: Fri, 30 Jun 2006 19:06:27 -0400
Hi, guys,
I've been running in development mode for weeks with no problems.
I've been running "-WODirectConnectEnabled NO" for several months.
Today, when trying to test my app, I got a "No instance available"
message.
It seems that none of my apps with "-WODirectConnectEnabled NO" set
were being found, though I had no problem starting up a
WODirectConnectEnabled app as a test.
After some investigation, I think that my hostname was reset, so
setting my apps to "-DWOHost=jwpismo" has solved the immediate
problem and I am back in working mode. However, the whole episode
leads to some questions to solicit from the community's collected
wisdom.
Last night I did a manual iTunes update on my machine, but that's the
only software update I've done in over 3 weeks. I've made no other
system configuration changes, nor changed any of the app's (or
Xcode's) parameters for several days (perhaps weeks). I even avoided
the recent Mac OS X v10.4.7 update because it caused some problems
for someone I know and I want more info before I apply it to my
development machine.
I'm running Mac OS X 10.4.6 on a G4 laptop (upgraded Pismo, actually)
with WebObjects 5.3.1 and Xcode 2.3.
Since I often connect this machine to 2 - 3 different networks a day
(including running on the commuter train in standalone mode twice a
day) I would like a configuration that saves me from having to
restart apache or wotaskd. It seems to me that I had resolved this
issue by hardcoding "localhost" in /etc/hostconfig and setting "-
DWOHost=localhost", but now I find that the hostname line is:
HOSTNAME=-AUTOMATIC-
So, my questions are:
* Does anyone know if the latest iTunes update resets the
hostconfig file or otherwise mucks with the hostname?
* What's the latest black magic incantation for setting all the
appropriate hostname parameters so I can just run my apps with
WODirectConnectEnabled off?
* Would the following work without causing other issues?
- set /etc/hostconfig's HOSTNAME line to localhost (What's the
syntax for that, by the way? double quotes? single quotes? no quotes?)
- leave the System Preferences Sharing panel set to "jwpismo"
so my computer can be seen with Bonjour
- set the runtime parameter "-DWOHost=localhost" in all my WO
apps
- other settings?
Many thanks to anyone who takes the time out of their holiday weekend
to respond to this.
Regards,
Jerry
--
__ Jerry W. Walker,
WebObjects Developer/Instructor for High Performance Industrial
Strength Internet Enabled Systems
email@hidden
203 278-4085 office
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