On Jun 1, 2009, at 9:21 AM, Sacha Michel Mallais wrote:
On May 31, 2009, at 10:43 PM, Jurgen Weber wrote:
We have introduced a new Linux host into our WebObjects deployment
environment, I login to JavaMonitor and set it up as a new host
using a private name I have put into /etc/hosts on all 3 machines,
all 3 machines can telnet to all 3 machines on port 1085 without
issue using these host names. The host detects and I now have 3
hosts. This new host is just a container for WOApp instances so
Apache is not installed. When looking at the hosts view you can hit
the "yes" button and view the config. Everything looks good.
I then go into the application and add a new instance. Once I start
this new instance nothing happens, you can see the icon in java
monitor trying but looking at the process list of the new host
nothing has happened, the application has not started.
As mentioned all 3 machines have had their /etc/hosts file set
exactly the same, and only host names are used. The other two
machines which we having been using for years in this configuration
have been working without issue. Some other things of note are:
the two current machines run FreeBSD 7.0-RELEASE, running java
version "1.6.0_07"
the new machine is CentOS-5.4, running java version "1.6.0_13"
Running WebObjects version 5.4.3
the 3 machines are in their own physical private network and
communicate to each other directly with no firewall restrictions on
this network.
/tmp/WebObjects.log shows all 3 hosts are reading in their
configuration correctly.
To me it looks like that the wotaskd on the new host can not launch
the instance, this says to me that it does not have permissions or
it cna not write to a log file or anything. I have checked
everything, and everything seems to be in order in this regard.
Have you edited the Apache adaptor config to include the new machine
on the WebObjectsConfig line? You'll need to restart Apache after.
That would affect the ability to reach the apps, but wotaskd should
still be able to start them. I think.
Somethings to try:
- add WOHost=<host name> to the Properties file in wotaskd.woa/
Contents/Resources on each machine
- add WOHost=<host name> to the app launch params for each machine
(instance specific)
- verify the permissions again:
http://www.gvcsitemaker.com/gvc.webobjects/faq&mode=single&recordID=66181
- enable logging from wotaskd:
http://www.gvcsitemaker.com/gvc.webobjects/faq&mode=single&recordID=41413
- I thought there was an (undocumented?) parameter to debug wotaskd,
but I can't locate it now.
Chuck
sacha
--
Sacha Michel Mallais Senior Señor / El Presidente
Global Village Consulting Inc. http://www.global-village.net/
PGP Key ID: 7D757B65 AIM: smallais
Any sufficiently advanced satire is indistinguishable from reality.
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