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  1. WildFly Core
  2. WFCORE-5053

Prometheus JMX exporter jar, stops starting the wildfly server.

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      1. Download JMX exporter jar from https://github.com/prometheus/jmx_exporter. 

      2. The version of the jar is jmx_prometheus_javaagent-0.13.0.jar 

      3. Download wildfly 20.0.1.final and extract on the windows system. 

      4. Modify standalone.bat on line no 123 as below,

      set "JAVA_OPTS=%JAVA_OPTS% Xbootclasspath/a:%JBOSS_HOME%/modules/system/layers/base/org/jboss/logmanager/main/jboss-logmanager*.jar -Djava.util.logging.manager=org.jboss.logmanager.LogManager -j-avaagent:%JBOSS_HOME%\jmx_prometheus_javaagent-.13.0.jar=9080:%JBOSS_HOME%\domain\configuration\config.yaml"

      5. In standalone.conf.bat file line no 56 added log manager 

      set "JAVA_OPTS=%JAVA_OPTS% -Djboss.modules.system.pkgs=org.jboss.byteman,org.jboss.logmanager"

      6. Execute standalone.bat and above exception comes on the console..

       

       

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      1. Download JMX exporter jar from  https://github.com/prometheus/jmx_exporter .  2. The version of the jar is jmx_prometheus_javaagent-0.13.0.jar  3. Download wildfly 20.0.1.final and extract on the windows system.  4. Modify standalone.bat on line no 123 as below, set "JAVA_OPTS=%JAVA_OPTS% Xbootclasspath/a :%JBOSS_HOME%/modules/system/layers/base/org/jboss/logmanager/main/jboss-logmanager*.jar -Djava.util.logging.manager =org.jboss.logmanager.LogManager -j-avaagent:%JBOSS_HOME%\jmx_prometheus_javaagent-.13.0.jar=9080:%JBOSS_HOME%\domain\configuration\config.yaml" 5. In standalone.conf.bat file line no 56 added log manager  set "JAVA_OPTS=%JAVA_OPTS% -Djboss.modules.system.pkgs=org.jboss.byteman, org.jboss.logmanager " 6. Execute standalone.bat and above exception comes on the console..    

    Description

      Trying to integrate the Prometheus JMX exporter with wildfly.  After spending lot of time and work around it, wildfly is not starting.  It throws following exception. 

      java.lang.ClassNotFoundException: org.jboss.logmanager.LogManager
 at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:583)
 at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
 at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
 at java.logging/java.util.logging.LogManager$1.run(LogManager.java:239)
 at java.logging/java.util.logging.LogManager$1.run(LogManager.java:223)
 at java.base/java.security.AccessController.doPrivileged(Native Method)
 at java.logging/java.util.logging.LogManager.<clinit>(LogManager.java:223)
 at java.logging/java.util.logging.Logger.demandLogger(Logger.java:648)
 at java.logging/java.util.logging.Logger.getLogger(Logger.java:717)
 at java.logging/java.util.logging.Logger.getLogger(Logger.java:701)
 at io.prometheus.jmx.shaded.io.prometheus.jmx.JmxCollector.<clinit>(JmxCollector.java:39)
 at io.prometheus.jmx.shaded.io.prometheus.jmx.JavaAgent.premain(JavaAgent.java:29)
 at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.base/java.lang.reflect.Method.invoke(Method.java:566)
 at java.instrument/sun.instrument.InstrumentationImpl.loadClassAndStartAgent(InstrumentationImpl.java:513)
 at java.instrument/sun.instrument.InstrumentationImpl.loadClassAndCallPremain(InstrumentationImpl.java:525)
WARNING: Failed to load the specified log manager class org.jboss.logmanager.LogManager
Exception in thread "main" java.lang.NoClassDefFoundError: org/jboss/logmanager/Level
 at java.base/java.lang.Class.forName0(Native Method)
 at java.base/java.lang.Class.forName(Class.java:398)
 at org.jboss.modules.Module.run(Module.java:340)
 at org.jboss.modules.Module.run(Module.java:320)
 at org.jboss.modules.Main.main(Main.java:617)
Caused by: java.lang.ClassNotFoundException: org.jboss.logmanager.Level
 at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:583)
 at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
 at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
 at org.jboss.modules.JDKSpecific.getSystemClass(JDKSpecific.java:183)
 at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:395)
 at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:116)

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          is incorporated by

          Feature Request - Feature requests from customers and/or users WFCORE-4748 Expose the ability to add jboss-modules specific arguments

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed

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              jperkins-rhn James Perkins
              rakesh.shah1977 Rakesh Kumar Shah (Inactive)
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                Updated:
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