[LOG4J2-1581] Warning should not display stacktrace

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.6.2
• Fix Version/s: 2.7
• Component/s: Configurators
• Assignee: Remko Popma
• Reporter: Remko Popma
• Created: 13/Sep/16 23:06
• Updated: 18/Sep/16 08:01
• Resolved: 18/Sep/16 08:01

Description

See http://stackoverflow.com/q/39160265/1446916

no need for the stacktrace:

Exception occuring at beginning of server start:

2016-08-26 02:19:15,172 [ACTIVE] ExecuteThread: '13' for queue: 
 'weblogic.kernel.Default (self-tuning)' ERROR Could not 
 unregister MBeans for org.apache.logging.log4j2:type=AsyncContext@694ae32f,
 component=AsyncLoggerRingBuffer javax.management.InstanceNotFoundException: 
 org.apache.logging.log4j2:type=AsyncContext@694ae32f,
 component=AsyncLoggerRingBuffer
        at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getMBean(DefaultMBeanServerInterceptor.java:1095)
        at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.exclusiveUnregisterMBean(DefaultMBeanServerInterceptor.java:427)
        at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.unregisterMBean(DefaultMBeanServerInterceptor.java:415)
        at com.sun.jmx.mbeanserver.JmxMBeanServer.unregisterMBean(JmxMBeanServer.java:546)
        at org.apache.logging.log4j.core.jmx.Server.unregisterAllMatching(Server.java:335)
        at org.apache.logging.log4j.core.jmx.Server.unregisterAsyncLoggerRingBufferAdmins(Server.java:316)
        at org.apache.logging.log4j.core.jmx.Server.unregisterLoggerContext(Server.java:258)
        at org.apache.logging.log4j.core.jmx.Server.reregisterMBeansAfterReconfigure(Server.java:162)
        at org.apache.logging.log4j.core.jmx.Server.reregisterMBeansAfterReconfigure(Server.java:138)
        at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:502)
        at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:561)
        at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:577)
        at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:212)
        at org.apache.logging.log4j.core.async.AsyncLoggerContext.start(AsyncLoggerContext.java:75)
        at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:152)
        at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:45)
        at org.apache.logging.log4j.LogManager.getContext(LogManager.java:194)
        at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:551)
        at com.company.tns.netmessage.bean.NetMessageListener.<clinit>(NetMessageListener.java:55)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
   

---

This ticket previously also reported another unnecessary stacktrace, but this was resolved in LOG4J2-1582:
See http://stackoverflow.com/questions/39457075/jmx-runtime-input-lookup-class-is-not-available-because-this-jre-does-not-suppor

This warning does not need to print the full stacktrace:

2016-09-12 12:01:26,124 main WARN JMX runtime input lookup class is not available because this JRE does not support JMX. JMX lookups will not be available, continuing configuration. java.lang.ClassCastException: Cannot cast org.apache.logging.log4j.core.lookup.JmxRuntimeInputArgumentsLookup to org.apache.logging.log4j.core.lookup.StrLookup
    at java.lang.Class.cast(Unknown Source)
    at org.apache.logging.log4j.util.LoaderUtil.newCheckedInstanceOf(LoaderUtil.java:168)
    at org.apache.logging.log4j.core.util.Loader.newCheckedInstanceOf(Loader.java:301)
    at org.apache.logging.log4j.core.lookup.Interpolator.<init>(Interpolator.java:106)
    at org.apache.logging.log4j.core.config.AbstractConfiguration.<init>(AbstractConfiguration.java:116)
    at org.apache.logging.log4j.core.config.DefaultConfiguration.<init>(DefaultConfiguration.java:46)
    at org.apache.logging.log4j.core.layout.PatternLayout$Builder.build(PatternLayout.java:492)
    at org.apache.logging.log4j.core.layout.PatternLayout.createDefaultLayout(PatternLayout.java:376)
 ...