NullPointerException in TomcatConnector.getBusyThreads
Issue
- Moving to JWS 5, we see a NullPointerException like the following:
ERROR [Catalina-utility-2] org.jboss.modcluster.load.impl.DynamicLoadBalanceFactorProvider.getLoadBalanceFactor null
java.lang.NullPointerException
at org.jboss.modcluster.container.tomcat.TomcatConnector.getBusyThreads(TomcatConnector.java:147)
at org.jboss.modcluster.load.metric.impl.BusyConnectorsLoadMetric.getLoad(BusyConnectorsLoadMetric.java:41)
at org.jboss.modcluster.load.impl.DynamicLoadBalanceFactorProvider.getLoadBalanceFactor(DynamicLoadBalanceFactorProvider.java:105)
at org.jboss.modcluster.ModClusterService.getLoadBalanceFactor(ModClusterService.java:430)
at org.jboss.modcluster.ModClusterService.status(ModClusterService.java:416)
at org.jboss.modcluster.container.tomcat.TomcatEventHandlerAdapter.lifecycleEvent(TomcatEventHandlerAdapter.java:229)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
Environment
- JBoss Web Server (JWS) 5.x
- Tomcat 9.0.x
- mod_cluster 1.4.x
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.