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Paul,

On 2/24/19 04:46, Paul wrote:
> Ghee, that was it, at least for getting the internal Tomcat logging
> to go through Log4j.
> 
> It didn't solve my static field thing, but that one I also figured
> out. Not 100% sure my reasoning is correct, but I think it's due to
> how classloading works in Servlets and thus in Tomcat (by default):
> the classloaders for webapps do NOT delegate classloading requests
> to the parent classloader (by default), thus the same class can be
> loaded multiple times: in my case by the bootstrap/system
> classloader and by the webapp classloader. And I guess depending on
> how my webapp application code tries to access the static field on
> the appender (don't have insight to this code, it's a 3rd party
> framework), it doesn't find the one where the appender constructor
> was called on, as my webapp code gets the class loaded by the
> webapp classloader, whereas log4j seems to load all plugins when
> log4j gets initialized the first time, which is for Tomcat internal
> logging, which happens using the bootstrap/system classloaders.
> 
> I tried adding the custom appenders to the WEB-INF/lib of my
> webapp (while all other log4j jars live in the tomcat/lib), but
> this doesn't work: the loading of log4j.properties in WEB-INF bombs
> out, because log4j cannot find the custom appender.
> 
> Once I added <Loader delegate="true"/> to the Context, things
> started to work. As I'm only deploying this one webapp, this works
> fine for me (or so it seems).
> 
> If the above makes no sense or there are better ways to get things 
> going, I'd love to hear it

So you want Tomcat's internal logging to go through log4j with a
configuration file in CATALINA_HOME/lib/log4j.xml and then you also
want your individual applications to use log4j with their own
WEB-INF/classes/log4j.xml and both Tomcat and applications need a
custom appender?

No problem.

Just put all of [ log4j JAR file, your custom appender JAR, log4j.xml]
into CATALINA_HOME/lib *and also* into WEB-INF/lib/*.jar,
WEB-INF/classes/log4j.xml and you should be good to go.

Dumb question: why bother using log4j for Tomcat server-level logging?
If you want to dump to the console, just configure Tomcat to dump to
the console and forget all this additional work.

- -chris

> On 23/02/2019 07:40, Ralph Goers wrote:
>> I just noticed that you said you have setenv.sh set to 
>> CLASSPATH=“$CATALINA_HOME/lib/*”
>> 
>> That will find the jars but it won’t find your configuration
>> file. You need to specify 
>> CLASSPATH=“$CATALINA_HOME/lib/*:${CATALINA_HOME}/lib”
>> 
>> Note that lib is specified twice, once with “/*” after it and
>> once with nothing.
>> 
>> Ralph
>> 
>>> On Feb 19, 2019, at 9:03 AM, Paul <pgbak...@gmail.com> wrote:
>>> 
>>> Hi,
>>> 
>>> Am trying to get Tomcat to log internal stuff through Log4j2,
>>> but failing, no matter how I try.
>>> 
>>> I've followed the instruction at 
>>> https://logging.apache.org/log4j/2.x/log4j-appserver/index.html
>>> to no avail.
>>> 
>>> I have a hard time understanding it, but maybe the problem is
>>> that the Log4j2 code is executed in a different classLoader
>>> than the tomcat code: I've enabled classloading debug output 
>>> (-Xlog:class+load*=debug) and the status logger
>>> (-Dlog4j2.debug) and I see that all Tomcat code is executed by
>>> one classloader:
>>> 
>>> loader: [loader data: 0x000055f64b4557e0 of 'bootstrap']
>>> 
>>> whereas the Log4j2 code seems executed by a different
>>> classloader:
>>> 
>>> loader: [loader data: 0x00005559e1327de0 for instance a 
>>> 'jdk/internal/loader/ClassLoaders$AppClassLoader'{0x00000000e10c9c20
}]
>>>
>>>
>>> 
I have this in setenv.sh and setenv.sh is working properly otherwise:
>>> CLASSPATH="$CATALINA_HOME/lib/*"
>>> 
>>> The $CATALINA_HOME/lib/ contains my log4j2-tomcat.properties
>>> and the log4j-api and log4j-core jars (alongside slf4j-api.jar
>>> and log4j-slf4j-impl.jar).  (all version 2.11.x)
>>> 
>>> I've also tried with the log4j-webon the classPath, didn't make
>>> a difference. Tried the -Dlog4j.ignoreTCL=true options, no
>>> luck.
>>> 
>>> In the end, my main purpose it to log everything that happens
>>> in the JVM through log4j2 to the console. I've also tried with 
>>> log4j-jul-2.11.1.jar, but couldn't get that going either: one
>>> of the challenges I have is that I have a custom appender
>>> plugin that needs to be loaded within the same classLoader
>>> hierarchy as where my (single) webapp is running. In the end,
>>> I'll be running only 1 webapp, deployed as a WAR in TOmcat and
>>> the whole thing is dockerized, so neither Tomcat or the WAR are
>>> ever restarted/redeployed: if something needs to change, we'll
>>> deploy a new container image
>>> 
>>> The output to the console of Tomcat is this: Using
>>> CATALINA_BASE:   /usr/local/tomcat Using CATALINA_HOME:
>>> /usr/local/tomcat Using CATALINA_TMPDIR:
>>> /usr/local/tomcat/temp Using JRE_HOME:
>>> /usr/lib/jvm/zulu11.2.3-jdk11.0.1-linux_musl_x64 Using
>>> CLASSPATH: 
>>> /usr/local/tomcat/lib/*:/usr/local/tomcat/bin/bootstrap.jar:/usr/loc
al/tomcat/bin/tomcat-juli.jar
>>>
>>>
>>> 
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 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 DEBUG
>>> StatusLogger Using ShutdownCallbackRegistry class 
>>> org.apache.logging.log4j.core.util.DefaultShutdownCallbackRegistry
>>>
>>> 
INFO StatusLogger Log4j appears to be running in a Servlet
>>> environment, but there's no log4j-web module available. If you
>>> want better web container support, please add the log4j-web JAR
>>> to your web archive or server lib directory. INFO StatusLogger
>>> Log4j appears to be running in a Servlet environment, but
>>> there's no log4j-web module available. If you want better web
>>> container support, please add the log4j-web JAR to your web
>>> archive or server lib directory. DEBUG StatusLogger Took
>>> 0.143572 seconds to load 208 plugins from 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 DEBUG
>>> StatusLogger PluginManager 'Converter' found 44 plugins DEBUG
>>> StatusLogger Starting OutputStreamManager
>>> SYSTEM_OUT.false.false-1 DEBUG StatusLogger Starting
>>> LoggerContext[name=799f7e29, 
>>> org.apache.logging.log4j.core.LoggerContext@ae13544]... DEBUG
>>> StatusLogger Reconfiguration started for
>>> context[name=799f7e29] at URI null
>>> (org.apache.logging.log4j.core.LoggerContext@ae13544) with
>>> optional ClassLoader: null INFO StatusLogger Log4j appears to
>>> be running in a Servlet environment, but there's no log4j-web
>>> module available. If you want better web container support,
>>> please add the log4j-web JAR to your web archive or server lib
>>> directory. DEBUG StatusLogger PluginManager
>>> 'ConfigurationFactory' found 4 plugins INFO StatusLogger Log4j
>>> appears to be running in a Servlet environment, but there's no
>>> log4j-web module available. If you want better web container
>>> support, please add the log4j-web JAR to your web archive or
>>> server lib directory. INFO StatusLogger Log4j appears to be
>>> running in a Servlet environment, but there's no log4j-web
>>> module available. If you want better web container support,
>>> please add the log4j-web JAR to your web archive or server lib
>>> directory. DEBUG StatusLogger Missing dependencies for Yaml
>>> support, ConfigurationFactory 
>>> org.apache.logging.log4j.core.config.yaml.YamlConfigurationFactory
>>> is inactive INFO StatusLogger Log4j appears to be running in a
>>> Servlet environment, but there's no log4j-web module available.
>>> If you want better web container support, please add the
>>> log4j-web JAR to your web archive or server lib directory. 
>>> DEBUG StatusLogger Missing dependencies for Json support, 
>>> ConfigurationFactory 
>>> org.apache.logging.log4j.core.config.json.JsonConfigurationFactory
>>> is inactive INFO StatusLogger Log4j appears to be running in a
>>> Servlet environment, but there's no log4j-web module available.
>>> If you want better web container support, please add the
>>> log4j-web JAR to your web archive or server lib directory. 
>>> DEBUG StatusLogger Using configurationFactory 
>>> org.apache.logging.log4j.core.config.ConfigurationFactory$Factory@4e
50c791
>>>
>>>
>>> 
TRACE StatusLogger Trying to find [log4j2-test799f7e29.properties]
>>> using context class loader 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2-test799f7e29.properties] 
>>> using jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29
>>> class loader. TRACE StatusLogger Trying to find
>>> [log4j2-test799f7e29.properties] using
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class 
>>> loader. TRACE StatusLogger Trying to find
>>> [log4j2-test799f7e29.properties] using
>>> ClassLoader.getSystemResource(). TRACE StatusLogger Trying to
>>> find [log4j2-test799f7e29.yml] using context class loader 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2-test799f7e29.yml] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find
>>> [log4j2-test799f7e29.yml] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find
>>> [log4j2-test799f7e29.yml] using 
>>> ClassLoader.getSystemResource(). TRACE StatusLogger Trying to
>>> find [log4j2-test799f7e29.yaml] using context class loader 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2-test799f7e29.yaml] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find
>>> [log4j2-test799f7e29.yaml] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find
>>> [log4j2-test799f7e29.yaml] using 
>>> ClassLoader.getSystemResource(). TRACE StatusLogger Trying to
>>> find [log4j2-test799f7e29.json] using context class loader 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2-test799f7e29.json] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find
>>> [log4j2-test799f7e29.json] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find
>>> [log4j2-test799f7e29.json] using 
>>> ClassLoader.getSystemResource(). TRACE StatusLogger Trying to
>>> find [log4j2-test799f7e29.jsn] using context class loader 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2-test799f7e29.jsn] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find
>>> [log4j2-test799f7e29.jsn] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find
>>> [log4j2-test799f7e29.jsn] using 
>>> ClassLoader.getSystemResource(). TRACE StatusLogger Trying to
>>> find [log4j2-test799f7e29.xml] using context class loader 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2-test799f7e29.xml] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find
>>> [log4j2-test799f7e29.xml] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find
>>> [log4j2-test799f7e29.xml] using 
>>> ClassLoader.getSystemResource(). TRACE StatusLogger Trying to
>>> find [log4j2-test.properties] using context class loader 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2-test.properties] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find
>>> [log4j2-test.properties] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find
>>> [log4j2-test.properties] using 
>>> ClassLoader.getSystemResource(). TRACE StatusLogger Trying to
>>> find [log4j2-test.yml] using context class loader
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2-test.yml] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2-test.yml]
>>> using jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29
>>> class loader. TRACE StatusLogger Trying to find
>>> [log4j2-test.yml] using ClassLoader.getSystemResource(). TRACE
>>> StatusLogger Trying to find [log4j2-test.yaml] using context 
>>> class loader
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2-test.yaml] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2-test.yaml]
>>> using jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29
>>> class loader. TRACE StatusLogger Trying to find
>>> [log4j2-test.yaml] using ClassLoader.getSystemResource(). TRACE
>>> StatusLogger Trying to find [log4j2-test.json] using context 
>>> class loader
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2-test.json] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2-test.json]
>>> using jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29
>>> class loader. TRACE StatusLogger Trying to find
>>> [log4j2-test.json] using ClassLoader.getSystemResource(). TRACE
>>> StatusLogger Trying to find [log4j2-test.jsn] using context 
>>> class loader
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2-test.jsn] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2-test.jsn]
>>> using jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29
>>> class loader. TRACE StatusLogger Trying to find
>>> [log4j2-test.jsn] using ClassLoader.getSystemResource(). TRACE
>>> StatusLogger Trying to find [log4j2-test.xml] using context 
>>> class loader
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2-test.xml] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2-test.xml]
>>> using jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29
>>> class loader. TRACE StatusLogger Trying to find
>>> [log4j2-test.xml] using ClassLoader.getSystemResource(). TRACE
>>> StatusLogger Trying to find [log4j2799f7e29.properties] using 
>>> context class loader 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2799f7e29.properties] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find
>>> [log4j2799f7e29.properties] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find
>>> [log4j2799f7e29.properties] using 
>>> ClassLoader.getSystemResource(). TRACE StatusLogger Trying to
>>> find [log4j2799f7e29.yml] using context class loader
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2799f7e29.yml] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2799f7e29.yml]
>>> using jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29
>>> class loader. TRACE StatusLogger Trying to find
>>> [log4j2799f7e29.yml] using ClassLoader.getSystemResource(). 
>>> TRACE StatusLogger Trying to find [log4j2799f7e29.yaml] using
>>> context class loader
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2799f7e29.yaml] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2799f7e29.yaml]
>>> using jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29
>>> class loader. TRACE StatusLogger Trying to find
>>> [log4j2799f7e29.yaml] using ClassLoader.getSystemResource(). 
>>> TRACE StatusLogger Trying to find [log4j2799f7e29.json] using
>>> context class loader
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2799f7e29.json] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2799f7e29.json]
>>> using jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29
>>> class loader. TRACE StatusLogger Trying to find
>>> [log4j2799f7e29.json] using ClassLoader.getSystemResource(). 
>>> TRACE StatusLogger Trying to find [log4j2799f7e29.jsn] using
>>> context class loader
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2799f7e29.jsn] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2799f7e29.jsn]
>>> using jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29
>>> class loader. TRACE StatusLogger Trying to find
>>> [log4j2799f7e29.jsn] using ClassLoader.getSystemResource(). 
>>> TRACE StatusLogger Trying to find [log4j2799f7e29.xml] using
>>> context class loader
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2799f7e29.xml] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2799f7e29.xml]
>>> using jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29
>>> class loader. TRACE StatusLogger Trying to find
>>> [log4j2799f7e29.xml] using ClassLoader.getSystemResource(). 
>>> TRACE StatusLogger Trying to find [log4j2.properties] using
>>> context class loader
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2.properties] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2.properties]
>>> using jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29
>>> class loader. TRACE StatusLogger Trying to find
>>> [log4j2.properties] using ClassLoader.getSystemResource(). 
>>> TRACE StatusLogger Trying to find [log4j2.yml] using context
>>> class loader
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2.yml] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2.yml] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2.yml] using 
>>> ClassLoader.getSystemResource(). TRACE StatusLogger Trying to
>>> find [log4j2.yaml] using context class loader
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2.yaml] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2.yaml] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2.yaml] using 
>>> ClassLoader.getSystemResource(). TRACE StatusLogger Trying to
>>> find [log4j2.json] using context class loader
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2.json] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2.json] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2.json] using 
>>> ClassLoader.getSystemResource(). TRACE StatusLogger Trying to
>>> find [log4j2.jsn] using context class loader
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2.jsn] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2.jsn] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2.jsn] using 
>>> ClassLoader.getSystemResource(). TRACE StatusLogger Trying to
>>> find [log4j2.xml] using context class loader
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29. TRACE
>>> StatusLogger Trying to find [log4j2.xml] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2.xml] using 
>>> jdk.internal.loader.ClassLoaders$AppClassLoader@799f7e29 class
>>> loader. TRACE StatusLogger Trying to find [log4j2.xml] using 
>>> ClassLoader.getSystemResource(). ERROR StatusLogger No Log4j 2
>>> configuration file found. Using default configuration (logging
>>> only errors to the console), or user programmatically provided
>>> configurations. Set system property 'log4j2.debug' to show
>>> Log4j 2 internal initialization logging. See 
>>> https://logging.apache.org/log4j/2.x/manual/configuration.html
>>> for instructions on how to configure Log4j 2 INFO StatusLogger
>>> Log4j appears to be running in a Servlet environment, but
>>> there's no log4j-web module available. If you want better web
>>> container support, please add the log4j-web JAR to your web
>>> archive or server lib directory.
>>> 
>>> 
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