set "JAVA_HOME=C:\Program Files\Java\jdk-21.0.3"
...
set "MODULE_OPTS=-javaagent:jacocoagent.jar=destfile=C:\_your_volume_\_your-application-wildfly-coverage.exec_,includes=com._your_package_.*,append=true,output=file,jmx=true"

Calling "C:\arm\Programme\wildfly-32.0.1.Final - jacoco\wildfly-32.0.1.Final\bin\standalone.conf.bat"
Setting JAVA property to "C:\Program Files\Java\jdk-21.0.3\bin\java"
===============================================================================

  JBoss Bootstrap Environment

  JBOSS_HOME: "C:\arm\Programme\wildfly-32.0.1.Final - jacoco\wildfly-32.0.1.Final"

  JAVA: "C:\Program Files\Java\jdk-21.0.3\bin\java"

  JAVA_OPTS: "-javaagent:"C:\arm\Programme\wildfly-32.0.1.Final - jacoco\wildfly-32.0.1.Final\jboss-modules.jar" -Dprogram.name=standalone.bat -Xms64M -Xmx4096M -XX:MetaspaceSize=96M -XX:MaxMetaspaceSize=256m -Djava.net.preferIPv4Stack=true -Djboss.modules.system.pkgs=org.jboss.byteman -Djava.awt.headless=true -Djdk.serialFilter="maxbytes=10485760;maxdepth=128;maxarray=100000;maxrefs=300000"  --add-exports=java.desktop/sun.awt=ALL-UNNAMED --add-exports=java.naming/com.sun.jndi.ldap=ALL-UNNAMED --add-exports=java.naming/com.sun.jndi.url.ldap=ALL-UNNAMED --add-exports=java.naming/com.sun.jndi.url.ldaps=ALL-UNNAMED --add-exports=jdk.naming.dns/com.sun.jndi.dns=ALL-UNNAMED --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.lang.invoke=ALL-UNNAMED --add-opens=java.base/java.lang.reflect=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED --add-opens=java.base/java.net=ALL-UNNAMED --add-opens=java.base/java.security=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.util.concurrent=ALL-UNNAMED --add-opens=java.management/javax.management=ALL-UNNAMED --add-opens=java.naming/javax.naming=ALL-UNNAMED -Djava.security.manager=allow"

===============================================================================

14:24:53,335 INFO  [org.jboss.modules] (main) JBoss Modules version 2.1.5.Final
Execution of premain method failed: java.lang.NullPointerException: Cannot invoke "java.io.InputStream.read(byte[])" because "is" is null