On 1/28/19, 1:21 AM, Mark Thomas wrote:
http://tomcat.apache.org/tomcat-9.0-doc/config/valve.html#Crawler_Session_Manager_Valve
Set the crawler user agent and/or crawler IP appropriately so your
load-balancer is treated as a web-crawler and all those health-checks
will be associated with a single session.
Forgive me; I'd completely forgotten that I'd asked about this last
Friday, didn't recognize the subject line until Mark's reply to
Christopher, and just now had to fish the other two messages out of the
trash folder.
This is actually the first I've even heard of valves, at least in this
context, so I'm speaking from near-total ignorance, and just beginning
to read the doc you pointed me to.
I'm guessing that this valve would go somewhere in tomcat8/conf/server.xml?
I don't quite get the Java regex syntax, but I'm sure that my colleague
responsible for the webapp can help me there.
My real problem is that I haven't the slightest idea what the health
check requests are specifying as user agent, or how to determine that,
and they appear to be coming from at least three different IP addresses.
I looked in the session list from the Manager, and I looked at
catalina.out, localhost....log, and localhost_access_log....txt, and
while I found the apparent IP addresses, I saw nothing that appeared to
identify a user agent.
Incidentally, what's the relationship between the "crawlerIps" and
"crawlerUserAgents" attributes? Is it an "or" or an "and"?
--
JHHL
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