[jboss-jira] [JBoss JIRA] (WFCORE-5053) Prometheus JMX exporter jar, stops starting the wildfly server.

[Rakesh Kumar Shah (Jira)]

    [ https://issues.redhat.com/browse/WFCORE-5053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14275877#comment-14275877 ] 

Rakesh Kumar Shah commented on WFCORE-5053:
-------------------------------------------

Hi James, 

Can I get nightly jars to verify the fix at our ends? So when it is available, we can consume it right away. 

What is the best way we can consume only this bug related changes? 

Thank you 

-Rakesh

> Prometheus JMX exporter jar, stops starting the wildfly server. 
> ----------------------------------------------------------------
>
>                 Key: WFCORE-5053
>                 URL: https://issues.redhat.com/browse/WFCORE-5053
>             Project: WildFly Core
>          Issue Type: Bug
>          Components: Logging
>            Reporter: Rakesh Kumar Shah
>            Assignee: James Perkins
>            Priority: Major
>             Fix For: 13.0.0.Beta1
>
>
> 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. 
> {code}
> 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)
> {code}



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