Christopher,
This is my Server.xml
<!-- Note: A "Server" is not itself a "Container", so you may not
define subcomponents such as "Valves" at this level.
Documentation at /docs/config/server.html
-->
<Server port="8005" shutdown="SHUTDOWN">
<!--APR library loader. Documentation at /docs/apr.html -->
<Listener className="org.apache.catalina.core.AprLifecycleListener"
SSLEngine="on" />
<!--Initialize Jasper prior to webapps are loaded. Documentation at
/docs/jasper-howto.html -->
<Listener className="org.apache.catalina.core.JasperListener" />
<!-- JMX Support for the Tomcat server. Documentation at
/docs/non-existent.html -->
<Listener className="org.apache.catalina.mbeans.ServerLifecycleListener"
/>
<Listener
className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
<!-- Global JNDI resources
Documentation at /docs/jndi-resources-howto.html
-->
<GlobalNamingResources>
<!-- Editable user database that can also be used by
UserDatabaseRealm to authenticate users
-->
<Resource name="UserDatabase" auth="Container"
type="org.apache.catalina.UserDatabase"
description="User database that can be updated and saved"
factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
pathname="conf/tomcat-users.xml" />
</GlobalNamingResources>
<!-- A "Service" is a collection of one or more "Connectors" that share
a single "Container" Note: A "Service" is not itself a "Container",
so you may not define subcomponents such as "Valves" at this level.
Documentation at /docs/config/service.html
-->
<Service name="Catalina">
<!-- A "Connector" represents an endpoint by which requests are received
and responses are returned. Documentation at :
Java HTTP Connector: /docs/config/http.html (blocking &
non-blocking)
Java AJP Connector: /docs/config/ajp.html
APR (HTTP/AJP) Connector: /docs/apr.html
Define a non-SSL HTTP/1.1 Connector on port 8080
-->
<Executor name="tomcatThreadPool" namePrefix="catalina-exec-"
maxThreads="70" minSpareThreads="20"/>
<Connector executor="tomcatThreadPool"
port="80" protocol="HTTP/1.1"
connectionTimeout="2000"
redirectPort="8443" />
<!-- <Connector port="8080" protocol="HTTP/1.1"
maxThreads="150" connectionTimeout="20000"
redirectPort="8443" /> -->
<!-- Define a SSL HTTP/1.1 Connector on port 8443
This connector uses the JSSE configuration, when using APR, the
connector should be using the OpenSSL style configuration
described in the APR documentation -->
<!--
<Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true"
maxThreads="150" scheme="https" secure="true"
clientAuth="false" sslProtocol="TLS" />
-->
<!-- Define an AJP 1.3 Connector on port 8009 -->
<Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />
<!-- An Engine represents the entry point (within Catalina) that
processes
every request. The Engine implementation for Tomcat stand alone
analyzes the HTTP headers included with the request, and passes
them
on to the appropriate Host (virtual host).
Documentation at /docs/config/engine.html -->
<!-- You should set jvmRoute to support load-balancing via AJP ie :
<Engine name="Standalone" defaultHost="localhost" jvmRoute="jvm1">
-->
<Engine name="Catalina" defaultHost="localhost">
<!--For clustering, please take a look at documentation at:
/docs/cluster-howto.html (simple how to)
/docs/config/cluster.html (reference documentation) -->
<!--
<Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>
-->
<!-- The request dumper valve dumps useful debugging information about
the request and response data received and sent by Tomcat.
Documentation at: /docs/config/valve.html -->
<!--
<Valve className="org.apache.catalina.valves.RequestDumperValve"/>
-->
<!-- This Realm uses the UserDatabase configured in the global JNDI
resources under the key "UserDatabase". Any edits
that are performed against this UserDatabase are immediately
available for use by the Realm. -->
<Realm className="org.apache.catalina.realm.UserDatabaseRealm"
resourceName="UserDatabase"/>
<!-- Define the default virtual host
Note: XML Schema validation will not work with Xerces 2.2.
-->
<Host name="localhost" appBase="webapps"
unpackWARs="true" autoDeploy="true"
xmlValidation="false" xmlNamespaceAware="false">
<!-- SingleSignOn valve, share authentication between web
applications
Documentation at: /docs/config/valve.html -->
<!--
<Valve className="org.apache.catalina.authenticator.SingleSignOn" />
-->
<!-- Access log processes all example.
Documentation at: /docs/config/valve.html -->
<!--
<Valve className="org.apache.catalina.valves.AccessLogValve"
directory="logs"
prefix="localhost_access_log." suffix=".txt" pattern="common"
resolveHosts="false"/>
-->
</Host>
</Engine>
</Service>
</Server>
Do you think this has a problem? I'll try to upload the thread Dump to my
website and send a link.
Anand
Christopher Schultz-2 wrote:
>
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>
> Stephen,
>
> On 4/21/2009 5:35 PM, Stephen Caine wrote:
>> This is the number of threads Tomcat will handle before it errors with
>> 'max threads reached. This is on OS X, 64 bit memory. The heap size is
>> 2 gigs.
>>
>> If you know how to increase this number, then please provide the
>> information. Others have also noted this limit on OS X in previous
>> posts to this list.
>
> ulimit?
>
> On my Mac OS X 10.4.11, "ulimit -a" reports max user processes (-u
> switch) are set to 256. You could probably increase that by doing:
>
> ulimit -u 1024
>
> or whatever. If you've reached an upper limit of 2400, it's probably
> because you're reaching a hard limit set up somewhere else.
>
> There's also:
>
> sysctl -w kern.maxprocperuid=1024 (or more?)
> or
> sysctl -w kern.maxproc=10000 (or more?)
>
> (My kern.maxproc is currently set to 532 -- what a strange number --
> while kern.maxprocperuid is currently 266).
>
> You can also set your defaults in /etc/sysctl.conf:
>
> kern.maxproc=10000
> kern.maxprocperuid=5000
>
> I didn't know any of this before 5 minutes ago. Google is your friend.
>
> - -chris
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