For other 2 wars I get following harmless error when I keep
'log4j2.component.properties' file on log4j jars class path, to fix class cast
exception which I was getting earlier during deployment of my war file.
ERROR StatusLogger Unable to create custom ContextSelector. Falling back to
default.
"java.lang.ClassCastException: Cannot cast
logger.log4j2.CustomLog4j2ContextSelector to
org.apache.logging.log4j.core.selector.ContextSelector".
-----Original Message-----
From: Pooja Pandey <pooja.pan...@asg.com.INVALID>
Sent: Wednesday, April 6, 2022 7:04 PM
To: Log4J Users List <log4j-user@logging.apache.org>
Subject: can we set log4j property 'Log4jContextSelector' per webapps war
*** External email: Verify sender before opening attachments or links ***
Hi,
In my application, I have 2 processes running and there are 3 webapps war files
which get deployed in tomcat version 9.0.60. Out of these 3 war files, one war
file is internal to my application while other 2 are coming as final artifacts
from artifiactory.
My war uses a custom logger and custom ContextSelector, however other 2 wars
from artifactory uses standard logger and standard ContextSelector.
I have defined below system property as a static block in custom logger,
however for some unknown reason when my war gets deployed this log4j jars don't
find this property and leads to ClassCastException
"java.lang.ClassCastException:
org.apache.logging.log4j.core.selector.ContextSelector cannot be cast to
logger.log4j2.CustomLog4j2ContextSelector". To fix this I have placed
'log4j2.component.properties' file on log4j jars class path, but with this fix,
following harmless error get logged for other 2 wars
"java.lang.ClassCastException: Cannot cast
logger.log4j2.CustomLog4j2ContextSelector to
org.apache.logging.log4j.core.selector.ContextSelector".
I am looking for help to come up with a solution where, when my war gets
deployed then custom logger context "logger.log4j2.CustomLog4j2ContextSelector"
should be used while when other 2 wars get deployed then
"org.apache.logging.log4j.core.selector.ContextSelector" should be used. Please
let me know if you have any idea on this.
static {
System.setProperty("Log4jContextSelector",
"logger.log4j2.CustomLog4j2ContextSelector");
}
Content of file 'log4j2.component.properties' ->
Log4jContextSelector=logger.log4j2.CustomLog4j2ContextSelector
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