Mark Eggers wrote:
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On 9/14/2014 1:55 PM, Robert Boyle wrote:
Hi,
Here's what I'm trying to do:
I'm building a web-based cueing system for a theatre. Until I
figure out how to use WebSockets, my system will use JavaScript to
refresh the webpage every second with a "cue status file". This is
an HTML file built on the fly by VB (or Python). One second latency
is no problem.
The problem:
Unfortunately (for this application) Tomcat caches the web page
internally for 5 seconds by default, so the maximum cumulative
latency is 6 seconds which is a bit much.
I believe I can change this by setting the CacheTTL parameter but,
when I try to do this in BASEDIR/conf/context.xml by adding the
line
<cacheTTL=1000>, the server won't start and spews out many lines of
error messages.
I am a total newcomer to Tomcat but I've spend some hours trying to
find examples of config files on the web with little success.
Obviously I haven't understood the syntax required here so any help
is gratefully received.
Environment:
Tomcat 8.0.12
Windows 7 / 32bit
Robert
Robert,
That doesn't appear to be available in Tomcat 8 (quick view of the
Javadoc).
Also, I tried the following (after reading the 7.x docs) which failed
as expected.
<Context cacheTTL="1000">
</Context>
In Tomcat 7 (7.0.55), you can set this with the following syntax.
<Context cacheTTL="1000">
</Context>
See the reference here:
http://tomcat.apache.org/tomcat-7.0-doc/config/context.html
7.0.55 has WebSockets.
. . . just my two cents
/mde/
And mine :
https://tomcat.apache.org/tomcat-6.0-doc/config/context.html#Attributes
In 6.0, these Context - cache* attributes seem to have been there, but they have
disappeared in 8.0.
Or at least in the doc :
https://tomcat.apache.org/tomcat-8.0-doc/config/context.html#Attributes
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