Re: Serious Tomcat Question

[Dan Barron]

Not sure what your need or frequency is for routine adding/deleting of a 
virtual host is, but have you considered running multiple instances of 
Tomcat and connecting them each over different jk port?  Perhaps, one 
instance runs your stable virtual hosts - another runs your dynamic set of 
virtual hosts?  I have experienced that Tomcat tends to startup more slowly 
the more virtual hosts you have in the config.  I run with multiple 
instances of Tomcat and when I do need to restart Tomcat, it is relatively 
quick. Doesn't address your session issue though.

btw I run FC2/Apache 2.0/JK2/Tomcat 5.0.28
At 05:33 PM 3/17/2005, Bernard wrote:
Hi,
I would like to hear opinions from users or developers who have a
little more experience with mod-jk/Tomcat then me.
With multiple virtual hosts, I would like to add and delete virtual
hosts on a routine basis.
This is achieved by re-starting both httpd and tomcat after
re-configuration (I don't know any other way).
Surprisingly, Apache immediately returns a server error 500 response
while Tomcat is re-starting.
IMHO this renders almost useless the init() and destroy() servlet
logic that is used to make user sessions persistent before and after a
server restart.
If, for example, the expected servlet response is JavaScript that is
embedded in a web page, then the whole web application gets broken
without even showing an error by this.
This is so because there is no way that I can catch this error in
JavaScript.
The error 500 response is HTML and and the script engine cannot read
it.
This is just a special case but I think an error 500 response for a
server re-start could be considered a disaster in most other cases as
well.
What can be done about this?
I have filed a bug:
http://issues.apache.org/bugzilla/show_bug.cgi?id=34050
Do you agree with my view?
How long would a thing like this take to fix?
Many thanks,
Bernard
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