ADDITIONAL SYSTEM INFORMATION :
linux/windows

A DESCRIPTION OF THE PROBLEM :
our application uses openjdk11.0.14 and we get this ClassNotfound exception while it trying to write to logger.
When we are executing BPflows using camunda, it is throwing the below exception
. *The same was working in java 8 , post upgrade to 11 we are getting this error.*
The libraries related to apache logging are in the classpath
Could you please help with this.

ENGINE-16004 Exception while closing command context: java.lang.ClassNotFoundException: org.apache.logging.log4j.LogManager.getLogger: java.lang.RuntimeException: java.lang.ClassNotFoundException: org.apache.logging.log4j.LogManager.getLogger
at jdk.scripting.nashorn/jdk.nashorn.internal.runtime.ScriptRuntime.apply(ScriptRuntime.java:531)
at jdk.scripting.nashorn/jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:456)
at jdk.scripting.nashorn/jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:413)
at jdk.scripting.nashorn/jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:409)
at jdk.scripting.nashorn/jdk.nashorn.api.scripting.NashornScriptEngine.eval(NashornScriptEngine.java:162)
at java.scripting/javax.script.AbstractScriptEngine.eval(AbstractScriptEngine.java:233)

REGRESSION : Last worked in version 8

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Java 11.0.14 with Camunda 7.16.0

We are using wildfly-23.0.2.Final and path of the camunda modules are in this folder. \wildfly-23.0.2.Final\modules\org\camunda

Created workflow with start node->script Task-end node.
In script node I have added below code.

var log=org.apache.logging.log4j.LogManager.getLogger(“XXX.utilities.javascript.JavaScriptLogger”);
log.debug(“Test Log”);

When I run BPFlow getting below error.


FREQUENCY : always