hi Christopher,
Configuration follows:
<?xml version="1.0" encoding="UTF-8"?>
<Server port="-1" shutdown="SHUTDOWN">
<Listener className="org.apache.catalina.startup.VersionLoggerListener" />
<!-- Security listener. Documentation at /docs/config/listeners.html
<Listener className="org.apache.catalina.security.SecurityListener" />
-->
<!-- APR library loader. Documentation at /docs/apr.html -->
<Listener className="org.apache.catalina.core.AprLifecycleListener"
SSLEngine="on" />
<!-- Prevent memory leaks due to use of particular java/javax APIs-->
<Listener
className="org.apache.catalina.core.JreMemoryLeakPreventionListener" />
<Listener
className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
<Listener
className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" />
<Service name="Catalina">
<Connector port="20420" URIEncoding="UTF-8" protocol="HTTP/1.1"
connectionTimeout="20000" redirectPort="8443" maxHttpHeaderSize="8192"
scheme="https" secure="true" proxyPort="443" server="serverName"
relaxedQueryChars=" { } " />
<Connector port="2042" URIEncoding="UTF-8" protocol="HTTP/1.1"
relaxedQueryChars=" { } "
connectionTimeout="20000"
redirectPort="8443" maxHttpHeaderSize="8192" />
<Engine name="Catalina" defaultHost="localhost" jvmRoute="someRoute">
<Host name="localhost" appBase="webapps"
unpackWARs="true" autoDeploy="true">
<Valve className="org.apache.catalina.valves.AccessLogValve"
directory="logs"
prefix="localhost_access_log" suffix=".txt"
pattern= "%t %h:%{remote}p %{communityUserName}c %S %u
%{Host}i %r %s %b %{Referer}i %{User-Agent}i %{Authorization}i **%T/%D**
%{X-Cluster-Client-IP}i" />
<Context path="" docBase="/some/path" debug="0"/>
<Valve
className="com.sysaid.session.persistence.PeriodicPersistingValve"
persistIntervalSeconds="20" enabled="true" />
<Valve
className="org.apache.catalina.valves.StuckThreadDetectionValve"
threshold="120" />
<Valve className="org.apache.catalina.valves.ErrorReportValve"
showReport="false" showServerInfo="false" />
</Host>
</Engine>
</Service>
</Server>
On Mon, Sep 19, 2022 at 7:45 PM Christopher Schultz <
ch...@christopherschultz.net> wrote:
> Jon,
>
> On 9/19/22 10:46, Jonathan Yom-Tov wrote:
> > Sometimes one of our production Tomcats will start with the maximum (200)
> > number of threads in the https pool. That is, it doesn't start with some
> > minimum and works its way up to the maximum, it immediately starts with
> the
> > maximum. There's no reason for it since most of the threads stay idle
> > through the lifetime of the Tomcat. The issue is that this takes up
> memory
> > and eventually something pushes the Tomcat over the edge and it dies with
> > an out of memory error. Any ideas on how to debug or solve this?
> >
> > The Tomcat version is 9.0.64.0, running on Amazon Linux 2 (amd64) and
> Java
> > Corretto 1.8.0_312-b07.
>
> Can you post your configuration?
>
> -chris
>
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