Christopher, thanks for the reply. Yes I have checked all the logs and
there are no warnings or errors when the hang occurs.
You are right that since the VM appears to hang, fronting with apache
may not help but it would rule out the Coyote connector at least.
One other thing I did notice is that in the tomcat manager server status
page there are some connections that seem to be hung, for example:
Stage Time B Sent B Recv
*S* 28604 ms 24 KB 0 KB
*S* 1273330 ms 16 KB 0 KB
*S* 829528 ms 16 KB 0 KB
*S* 1293854 ms 16 KB 0 KB
*S* 1331406 ms 16 KB 0 KB
*S* 329442 ms 16 KB 0 KB
I picked out the ones with the highest value for Time out of the 185
active threads. Most threads are in the K or R state.
I have the connectionTimeout on the connector set to 20 seconds so I
don't understand what these threads are doing.
Maybe this is a clue? Thanks!
--Brian.
Christopher Schultz wrote:
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Brian,
Brian Cross wrote:
I would really appreciate any advice, I really don't know where to go
from here to try and figure it out. If I can't figure it out soon my
plan is to use apache2 as the webserver and connect to tomcat via JK.
You didn't explicitly say that you did, so I have to ask: you looked in
all your log files, right?
If your VM really is crashing/hanging/whatever, then adding Apache httpd
out front is unlikely to change anything.
- -chris
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