<snip/>
> Thank you for the answer.
>
> Yes. It is APR/Native Connector.
Are you sure? It isn't impossible that you are using the APR/Native
connector given your configuration but it would be unusual.
Look in the logs for a line that contains:
org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ...
What is the full text of that line?
Also, what version of the Tomcat Native Connector are you using?
Look in the logs for a line that contains:
org.apache.catalina.core.AprLifecycleListener.lifecycleEvent Loaded
Apache Tomcat Native library [???] using APR version [???]
What is the full text of that line?
> Please let me know if you need more information about the
configuration/environment.
I ran some simple tests with ab and I cannot repeat the problem you
describe.
As I increase the concurrency with ab, currentThreadCount increases.
I even reduced minSpareThreads to 0 and I still could not reproduce the
behaviour.
To investigate this further you'll need to provide the steps to
reproduce this from a clean install of the latest stable 9.0.x release
(9.0.38 as I type this) and the latest stable Tomcat Native (1.2.25).
Ideally the test case would involve nothing more than a clean Tomcat
install and ab to generate the load.
Mark
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Hi Mark,
Thanks again.
>Look in the logs for a line that contains:
24-Sep-2020 17:00:13.744 INFO [main] org.apache.coyote.AbstractProtocol.init
Initializing ProtocolHandler ["http-nio-8080"]
24-Sep-2020 17:00:13.407 INFO [main]
org.apache.catalina.core.AprLifecycleListener.lifecycleEvent The Apache Tomcat
Native library which allows using OpenSSL was not found on the
java.library.path:
[/usr/java/packages/lib:/usr/lib/x86_64-linux-gnu/jni:/lib/x86_64-linux-gnu:/usr/lib/x86_64-linux-gnu:/usr/lib/jni:/lib:/usr/lib]
This is the whole startup log before loading web apps.
NOTE: Picked up JDK_JAVA_OPTIONS: --add-opens=java.base/java.lang=ALL-UNNAMED
--add-opens=java.base/java.io=ALL-UNNAMED
--add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED
24-Sep-2020 17:00:13.393 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Server version name:
Apache Tomcat/9.0.37
24-Sep-2020 17:00:13.395 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Server built:
Jun 30 2020 20:09:49 UTC
24-Sep-2020 17:00:13.395 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Server version number:
9.0.37.0
24-Sep-2020 17:00:13.396 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log OS Name:
Linux
24-Sep-2020 17:00:13.396 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log OS Version:
4.15.0-109-generic
24-Sep-2020 17:00:13.396 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Architecture:
amd64
24-Sep-2020 17:00:13.396 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Java Home:
/usr/lib/jvm/java-11-openjdk-amd64
24-Sep-2020 17:00:13.397 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log JVM Version:
11.0.7+10-post-Ubuntu-2ubuntu218.04
24-Sep-2020 17:00:13.397 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log JVM Vendor:
Ubuntu
24-Sep-2020 17:00:13.397 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE:
/srv/tomcat9/apache-tomcat-9.0.37
24-Sep-2020 17:00:13.397 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME:
/srv/tomcat9/apache-tomcat-9.0.37
24-Sep-2020 17:00:13.401 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
--add-opens=java.base/java.lang=ALL-UNNAMED
24-Sep-2020 17:00:13.401 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
--add-opens=java.base/java.io=ALL-UNNAMED
24-Sep-2020 17:00:13.401 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
--add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED
24-Sep-2020 17:00:13.402 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Djava.util.logging.config.file=/srv/tomcat9/apache-tomcat-9.0.37/conf/logging.properties
24-Sep-2020 17:00:13.402 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
24-Sep-2020 17:00:13.402 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Djava.security.egd=file:///dev/urandom
24-Sep-2020 17:00:13.402 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Djava.awt.headless=true
24-Sep-2020 17:00:13.403 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Djdk.tls.ephemeralDHKeySize=2048
24-Sep-2020 17:00:13.403 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Djava.protocol.handler.pkgs=org.apache.catalina.webresources
24-Sep-2020 17:00:13.403 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Dorg.apache.catalina.security.SecurityListener.UMASK=0027
24-Sep-2020 17:00:13.403 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-XX:+UseParallelGC
24-Sep-2020 17:00:13.404 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Dcom.sun.management.jmxremote
24-Sep-2020 17:00:13.404 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Dcom.sun.management.jmxremote.port=9010
24-Sep-2020 17:00:13.404 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Dcom.sun.management.jmxremote.rmi.port=9010
24-Sep-2020 17:00:13.404 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Dcom.sun.management.jmxremote.local.only=false
24-Sep-2020 17:00:13.404 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Dcom.sun.management.jmxremote.ssl=false
24-Sep-2020 17:00:13.405 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Dcom.sun.management.jmxremote.authenticate=false
24-Sep-2020 17:00:13.405 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Denvironment.name=prod
24-Sep-2020 17:00:13.405 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Dzookeeper.url=192.168.6.201:2181,192.168.6.203:2181,192.168.6.204:2181
24-Sep-2020 17:00:13.405 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Dtomcat.instance.name=srv-tomcat9-tanatos
24-Sep-2020 17:00:13.406 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Dzone.name=zone1
24-Sep-2020 17:00:13.406 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Xmx10240M
24-Sep-2020 17:00:13.406 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Xms512M
24-Sep-2020 17:00:13.406 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Duser.timezone=UTC
24-Sep-2020 17:00:13.406 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Dignore.endorsed.dirs=
24-Sep-2020 17:00:13.407 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Dcatalina.base=/srv/tomcat9/apache-tomcat-9.0.37
24-Sep-2020 17:00:13.407 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Dcatalina.home=/srv/tomcat9/apache-tomcat-9.0.37
24-Sep-2020 17:00:13.407 INFO [main]
org.apache.catalina.startup.VersionLoggerListener.log Command line argument:
-Djava.io.tmpdir=/srv/tomcat9/apache-tomcat-9.0.37/temp
24-Sep-2020 17:00:13.407 INFO [main]
org.apache.catalina.core.AprLifecycleListener.lifecycleEvent The Apache Tomcat
Native library which allows using OpenSSL was not found on the
java.library.path:
[/usr/java/packages/lib:/usr/lib/x86_64-linux-gnu/jni:/lib/x86_64-linux-gnu:/usr/lib/x86_64-linux-gnu:/usr/lib/jni:/lib:/usr/lib]
24-Sep-2020 17:00:13.744 INFO [main] org.apache.coyote.AbstractProtocol.init
Initializing ProtocolHandler ["http-nio-8080"]
24-Sep-2020 17:00:13.796 INFO [main] org.apache.catalina.startup.Catalina.load
Server initialization in [726] milliseconds
24-Sep-2020 17:00:13.858 INFO [main]
org.apache.catalina.core.StandardService.startInternal Starting service
[Catalina]
24-Sep-2020 17:00:13.859 INFO [main]
org.apache.catalina.core.StandardEngine.startInternal Starting Servlet engine:
[Apache Tomcat/9.0.37]
>To investigate this further you'll need to provide the steps to
> reproduce this from a clean install of the latest stable 9.0.x release
> (9.0.38 as I type this) and the latest stable Tomcat Native (1.2.25).
I will try to reproduce the error in that way.
Regards
Vicente
