[ 
https://issues.apache.org/jira/browse/LOG4J2-492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13869718#comment-13869718
 ] 

Herlani Junior edited comment on LOG4J2-492 at 1/13/14 5:29 PM:
----------------------------------------------------------------

Remko, the error persist on Tomcat 7;0.35 as bellow described with "\n" !!! 
Please let'me know if you want any help to fix !

014-01-13 14:27:36,493 DEBUG Calling createLoggers on class 
org.apache.logging.log4j.core.config.plugins.LoggersPlugin for element loggers 
with params(Loggers={org.springframework.security, org.springframework, 
org.springframework.web, org.springframework.cache, com.google.code.ssm, 
net.spy.memcached, net.rubyeye.xmemcached, root})
2014-01-13 14:27:36,493 DEBUG Unregistering MBean 
org.apache.logging.log4j2:type=StatusLogger
2014-01-13 14:27:36,493 DEBUG Unregistering MBean 
org.apache.logging.log4j2:type=ContextSelector
2014-01-13 14:27:36,493 DEBUG Registering MBean 
org.apache.logging.log4j2:type=StatusLogger
2014-01-13 14:27:36,493 DEBUG Registering MBean 
org.apache.logging.log4j2:type=ContextSelector
2014-01-13 14:27:36,493 ERROR Could not unregister MBeans for 
org.apache.logging.log4j2:type=LoggerContext,ctx=WebappClassLoader
  context: /HelpSysService
  delegate: false
  repositories:
    /WEB-INF/classes/
----------> Parent Classloader:
org.apache.catalina.loader.StandardClassLoader@23390fca
 javax.management.MalformedObjectNameException: Invalid character '\n' in value 
part of property
        at javax.management.ObjectName.construct(ObjectName.java:618)
        at javax.management.ObjectName.<init>(ObjectName.java:1382)
        at 
org.apache.logging.log4j.core.jmx.Server.unregisterAllMatching(Server.java:348)
        at 
org.apache.logging.log4j.core.jmx.Server.unregisterContext(Server.java:256)
        at 
org.apache.logging.log4j.core.jmx.Server.unregisterContext(Server.java:242)
        at 
org.apache.logging.log4j.core.jmx.Server.registerContexts(Server.java:290)
        at 
org.apache.logging.log4j.core.jmx.Server.reregisterMBeansAfterReconfigure(Server.java:183)
        at 
org.apache.logging.log4j.core.jmx.Server.reregisterMBeansAfterReconfigure(Server.java:160)
        at 
org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:356)
        at 
org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:386)
        at 
org.apache.logging.log4j.core.LoggerContext.setConfigLocation(LoggerContext.java:377)
        at 
org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.locateContext(ClassLoaderContextSelector.java:231)
        at 
org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getContext(ClassLoaderContextSelector.java:93)
        at 
org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:102)
        at 
org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:35)
        at org.apache.logging.log4j.LogManager.getContext(LogManager.java:243)
        at 
org.apache.logging.log4j.core.config.Configurator.initialize(Configurator.java:105)
        at 
org.apache.logging.log4j.core.config.Configurator.initialize(Configurator.java:65)
        at 
org.apache.logging.log4j.core.web.Log4jWebInitializerImpl.initializeNonJndi(Log4jWebInitializerImpl.java:141)
        at 
org.apache.logging.log4j.core.web.Log4jWebInitializerImpl.initialize(Log4jWebInitializerImpl.java:87)
        at 
org.apache.logging.log4j.core.web.Log4jServletContextListener.contextInitialized(Log4jServletContextListener.java:41)
        at 
org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4791)
        at 
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5285)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
        at 
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
        at 
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:722)


was (Author: herlanijunior):
Remko, the error persist on Tomcat 7;0.35 as bellow described with "\n" !!! 
Please let'me know if you want any help to fix !

014-01-13 14:27:36,493 DEBUG Calling createLoggers on class 
org.apache.logging.log4j.core.config.plugins.LoggersPlugin for element loggers 
with params(Loggers={org.springframework.security, org.springframework, 
org.springframework.web, org.springframework.cache, com.google.code.ssm, 
net.spy.memcached, net.rubyeye.xmemcached, root})
2014-01-13 14:27:36,493 DEBUG Unregistering MBean 
org.apache.logging.log4j2:type=StatusLogger
2014-01-13 14:27:36,493 DEBUG Unregistering MBean 
org.apache.logging.log4j2:type=ContextSelector
2014-01-13 14:27:36,493 DEBUG Registering MBean 
org.apache.logging.log4j2:type=StatusLogger
2014-01-13 14:27:36,493 DEBUG Registering MBean 
org.apache.logging.log4j2:type=ContextSelector
2014-01-13 14:27:36,493 ERROR Could not unregister MBeans for 
org.apache.logging.log4j2:type=LoggerContext,ctx=WebappClassLoader
  context: /HelpSysService
  delegate: false
  repositories:
    /WEB-INF/classes/
----------> Parent Classloader:
org.apache.catalina.loader.StandardClassLoader@23390fca
 javax.management.MalformedObjectNameException: Invalid character '\n' in value 
part of property
        at javax.management.ObjectName.construct(ObjectName.java:618)
        at javax.management.ObjectName.<init>(ObjectName.java:1382)
        at 
org.apache.logging.log4j.core.jmx.Server.unregisterAllMatching(Server.java:348)
        at 
org.apache.logging.log4j.core.jmx.Server.unregisterContext(Server.java:256)
        at 
org.apache.logging.log4j.core.jmx.Server.unregisterContext(Server.java:242)
        at 
org.apache.logging.log4j.core.jmx.Server.registerContexts(Server.java:290)
        at 
org.apache.logging.log4j.core.jmx.Server.reregisterMBeansAfterReconfigure(Server.java:183)
        at 
org.apache.logging.log4j.core.jmx.Server.reregisterMBeansAfterReconfigure(Server.java:160)
        at 
org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:356)
        at 
org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:386)
        at 
org.apache.logging.log4j.core.LoggerContext.setConfigLocation(LoggerContext.java:377)
        at 
org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.locateContext(ClassLoaderContextSelector.java:231)
        at 
org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getContext(ClassLoaderContextSelector.java:93)
        at 
org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:102)
        at 
org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:35)
        at org.apache.logging.log4j.LogManager.getContext(LogManager.java:243)
        at 
org.apache.logging.log4j.core.config.Configurator.initialize(Configurator.java:105)
        at 
org.apache.logging.log4j.core.config.Configurator.initialize(Configurator.java:65)
        at 
org.apache.logging.log4j.core.web.Log4jWebInitializerImpl.initializeNonJndi(Log4jWebInitializerImpl.java:141)
        at 
org.apache.logging.log4j.core.web.Log4jWebInitializerImpl.initialize(Log4jWebInitializerImpl.java:87)
        at 
org.apache.logging.log4j.core.web.Log4jServletContextListener.contextInitialized(Log4jServletContextListener.java:41)
        at 
org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4791)
        at 
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5285)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
        at 
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
        at 
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:722)

2014-01-13 14:27:36,493 ERROR Could not unregister MBeans for 
org.apache.logging.log4j2:type=LoggerContext,ctx=WebappClassLoader
  context: /HelpSysService
  delegate: false
  repositories:
    /WEB-INF/classes/
----------> Parent Classloader:
org.apache.catalina.loader.StandardClassLoader@23390fca
,sub=LoggerConfig,name=* javax.management.MalformedObjectNameException: Invalid 
character '\n' in value part of property
        at javax.management.ObjectName.construct(ObjectName.java:618)
        at javax.management.ObjectName.<init>(ObjectName.java:1382)
        at 
org.apache.logging.log4j.core.jmx.Server.unregisterAllMatching(Server.java:348)
        at 
org.apache.logging.log4j.core.jmx.Server.unregisterLoggerConfigs(Server.java:313)
        at 
org.apache.logging.log4j.core.jmx.Server.unregisterContext(Server.java:257)
        at 
org.apache.logging.log4j.core.jmx.Server.unregisterContext(Server.java:242)
        at 
org.apache.logging.log4j.core.jmx.Server.registerContexts(Server.java:290)
        at 
org.apache.logging.log4j.core.jmx.Server.reregisterMBeansAfterReconfigure(Server.java:183)
        at 
org.apache.logging.log4j.core.jmx.Server.reregisterMBeansAfterReconfigure(Server.java:160)
        at 
org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:356)
        at 
org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:386)
        at 
org.apache.logging.log4j.core.LoggerContext.setConfigLocation(LoggerContext.java:377)
        at 
org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.locateContext(ClassLoaderContextSelector.java:231)
        at 
org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getContext(ClassLoaderContextSelector.java:93)
        at 
org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:102)
        at 
org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:35)
        at org.apache.logging.log4j.LogManager.getContext(LogManager.java:243)
        at 
org.apache.logging.log4j.core.config.Configurator.initialize(Configurator.java:105)
        at 
org.apache.logging.log4j.core.config.Configurator.initialize(Configurator.java:65)
        at 
org.apache.logging.log4j.core.web.Log4jWebInitializerImpl.initializeNonJndi(Log4jWebInitializerImpl.java:141)
        at 
org.apache.logging.log4j.core.web.Log4jWebInitializerImpl.initialize(Log4jWebInitializerImpl.java:87)
        at 
org.apache.logging.log4j.core.web.Log4jServletContextListener.contextInitialized(Log4jServletContextListener.java:41)
        at 
org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4791)
        at 
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5285)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
        at 
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
        at 
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:722)


> MalformedObjectNameException: Invalid escape sequence... under Jetty
> --------------------------------------------------------------------
>
>                 Key: LOG4J2-492
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-492
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: JMX
>    Affects Versions: 2.0-rc1
>         Environment: jetty.version=8.1.14.v20131031
>            Reporter: Shaddy Baddah
>            Assignee: Remko Popma
>            Priority: Minor
>             Fix For: 2.0-rc1, 2.0
>
>
> Although it is not stopping my webapp from running, I am encountering the 
> following exception when running jetty (via Maven) for a webapp using a trunk 
> build of log4j2.
> My debug line is also included:
> {noformat}
> loggerContext.getName()= WebAppClassLoader=1320771902@4eb9613e
> 2014-01-09 13:28:52,904 ERROR Could not register mbeans 
> java.lang.IllegalStateException: 
> javax.management.MalformedObjectNameException: Invalid escape sequence '\=' 
> in quoted value
>         at 
> org.apache.logging.log4j.core.jmx.LoggerContextAdmin.<init>(LoggerContextAdmin.java:81)
>         at 
> org.apache.logging.log4j.core.jmx.Server.registerContexts(Server.java:266)
>         at 
> org.apache.logging.log4j.core.jmx.Server.reregisterMBeansAfterReconfigure(Server.java:185)
>         at 
> org.apache.logging.log4j.core.jmx.Server.reregisterMBeansAfterReconfigure(Server.java:150)
>         at 
> org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:387)
>         at 
> org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:151)
>         at 
> org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:105)
>         at 
> org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:33)
>         at org.apache.logging.log4j.LogManager.getContext(LogManager.java:222)
>         at 
> org.apache.logging.log4j.core.config.Configurator.initialize(Configurator.java:103)
>         at 
> org.apache.logging.log4j.core.config.Configurator.initialize(Configurator.java:63)
>         at 
> org.apache.logging.log4j.core.web.Log4jWebInitializerImpl.initializeNonJndi(Log4jWebInitializerImpl.java:136)
>         at 
> org.apache.logging.log4j.core.web.Log4jWebInitializerImpl.initialize(Log4jWebInitializerImpl.java:82)
>         at 
> org.apache.logging.log4j.core.web.Log4jServletContainerInitializer.onStartup(Log4jServletContainerInitializer.java:41)
>         at 
> org.eclipse.jetty.plus.annotation.ContainerInitializer.callStartup(ContainerInitializer.java:106)
>         at 
> org.eclipse.jetty.annotations.ServletContainerInitializerListener.doStart(ServletContainerInitializerListener.java:107)
>         at 
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
>         at 
> org.eclipse.jetty.util.component.AggregateLifeCycle.doStart(AggregateLifeCycle.java:81)
>         at 
> org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:58)
>         at 
> org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:96)
>         at 
> org.eclipse.jetty.server.handler.ScopedHandler.doStart(ScopedHandler.java:115)
>         at 
> org.eclipse.jetty.server.handler.ContextHandler.startContext(ContextHandler.java:763)
>         at 
> org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:249)
>         at 
> org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1242)
>         at 
> org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:717)
>         at 
> org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:494)
>         at 
> org.mortbay.jetty.plugin.JettyWebAppContext.doStart(JettyWebAppContext.java:298)
>         at 
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
>         at 
> org.eclipse.jetty.server.handler.HandlerCollection.doStart(HandlerCollection.java:229)
>         at 
> org.eclipse.jetty.server.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:172)
>         at 
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
>         at 
> org.eclipse.jetty.server.handler.HandlerCollection.doStart(HandlerCollection.java:229)
>         at 
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
>         at 
> org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:95)
>         at org.eclipse.jetty.server.Server.doStart(Server.java:282)
>         at org.mortbay.jetty.plugin.JettyServer.doStart(JettyServer.java:65)
>         at 
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
>         at 
> org.mortbay.jetty.plugin.AbstractJettyMojo.startJetty(AbstractJettyMojo.java:520)
>         at 
> org.mortbay.jetty.plugin.AbstractJettyMojo.execute(AbstractJettyMojo.java:365)
>         at 
> org.mortbay.jetty.plugin.JettyRunMojo.execute(JettyRunMojo.java:523)
>         at 
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
>         at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
>         at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
>         at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
>         at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
>         at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
>         at 
> org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
>         at 
> org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
>         at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
>         at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
>         at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:606)
>         at 
> org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
>         at 
> org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
>         at 
> org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
>         at 
> org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
> Caused by: javax.management.MalformedObjectNameException: Invalid escape 
> sequence '\=' in quoted value
>         at javax.management.ObjectName.construct(ObjectName.java:582)
>         at javax.management.ObjectName.<init>(ObjectName.java:1382)
>         at 
> org.apache.logging.log4j.core.jmx.LoggerContextAdmin.<init>(LoggerContextAdmin.java:79)
>         ... 60 more
> 2014-01-09 13:28:52.989:INFO:/wallboard:Initializing Spring root 
> WebApplicationContext
> 2014-01-09 13:29:04.645:INFO:/wallboard:Log4jServletContextListener ensuring 
> that Log4j starts up properly.
> 2014-01-09 13:29:04.651:INFO:/wallboard:Log4jServletFilter initialized.
> 2014-01-09 13:29:04.778:WARN:oejsh.RequestLogHandler:!RequestLog
> 2014-01-09 13:29:04.872:INFO:oejs.AbstractConnector:Started 
> [email protected]:8080
> [INFO] Started Jetty Server
> [INFO] Starting scanner at interval of 10 seconds.
> {noformat}



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