[mod_cluster-issues] [JBoss JIRA] (MODCLUSTER-230) Improve documentation on how to use load metrics with Tomcat 6

[Michal Babacek (JIRA)]

     [ https://issues.jboss.org/browse/MODCLUSTER-230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michal Babacek closed MODCLUSTER-230.
-------------------------------------



Closing. Clean-up.
At least one of the following applies:

  * the issue has been thoroughly tested as a part of one of the current releases
or
  * it hasn't occurred in ~2 years
or
  * it's utterly harmless

> Improve documentation on how to use load metrics with Tomcat 6
> --------------------------------------------------------------
>
>                 Key: MODCLUSTER-230
>                 URL: https://issues.jboss.org/browse/MODCLUSTER-230
>             Project: mod_cluster
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 1.0.8
>            Reporter: Radoslav Husar
>            Assignee: Jean-Frederic Clere
>
> So that people don't get when they only specify the class name (or maybe its more of a problem like MODCLUSTER-183?)
> {code}
> INFO: Starting Coyote AJP/1.3 on ajp-8009
> java.lang.reflect.InvocationTargetException
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
> 	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
> Caused by: java.lang.NullPointerException
> 	at org.jboss.modcluster.ModClusterListener.createLoadBalanceFactorProvider(ModClusterListener.java:104)
> 	at org.jboss.modcluster.CatalinaEventHandler.init(CatalinaEventHandler.java:119)
> 	at org.jboss.modcluster.CatalinaEventHandler.init(CatalinaEventHandler.java:56)
> 	at org.jboss.modcluster.CatalinaEventHandlerAdapter.lifecycleEvent(CatalinaEventHandlerAdapter.java:127)
> 	at org.jboss.modcluster.AbstractModClusterService.lifecycleEvent(AbstractModClusterService.java:90)
> 	at org.jboss.modcluster.ModClusterListener.lifecycleEvent(ModClusterListener.java:132)
> 	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
> 	at org.apache.catalina.core.StandardServer.start(StandardServer.java:759)
> 	at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
> 	... 6 more
> {code}



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