*ENV: RHSSO 7.5.1 and RHSSO 7.6.0 using Openshift Image)

Customer is facing bellow issue during fetching infinispan statistics via JMX:

**From RHSSO 7.6(OpenShift image)getting bellow Error:

ERROR [nl.nlighten.prometheus.wildfly.InfinispanExports](ServerService Thread Pool – 77) Error getting property from "keys(local)": javax.management.RuntimeMBeanException: org.infinispan.commons.CacheException: java.lang.NullPointerException
at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.rethrow(DefaultMBeanServerInterceptor.java:829)
at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.rethrowMaybeMBeanException(DefaultMBeanServerInterceptor.java:842)
at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:645)
at java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:678)
at org.jboss.as.jmx@15.0.8.Final-redhat-00001//org.jboss.as.jmx.PluggableMBeanServerImpl$TcclMBeanServer.getAttribute(PluggableMBeanServerImpl.java:1415)
at org.jboss.as.jmx@15.0.8.Final-redhat-00001//org.jboss.as.jmx.PluggableMBeanServerImpl.getAttribute(PluggableMBeanServerImpl.java:391)
at deployment.keycloak-metric-spi-1.44-SNAPSHOT.jar//nl.nlighten.prometheus.wildfly.InfinispanExports.collect(InfinispanExports.java:82)
at io.prometheus.simpleclient//io.prometheus.client.CollectorRegistry.collectorNames(CollectorRegistry.java:113)
at io.prometheus.simpleclient//io.prometheus.client.CollectorRegistry.register(CollectorRegistry.java:50)
at io.prometheus.simpleclient//io.prometheus.client.Collector.register(Collector.java:308)
at io.prometheus.simpleclient//io.prometheus.client.Collector.register(Collector.java:301)
at deployment.keycloak-metric-spi-1.44-SNAPSHOT.jar//org.jboss.aerogear.keycloak.metrics.PrometheusExporter.<init>(PrometheusExporter.java:131)
at deployment.keycloak-metric-spi-1.44-SNAPSHOT.jar//org.jboss.aerogear.keycloak.metrics.PrometheusExporter.<clinit>(PrometheusExporter.java:33)
at deployment.keycloak-metric-spi-1.44-SNAPSHOT.jar//org.jboss.aerogear.keycloak.metrics.MetricsEndpointFactory.init(MetricsEndpointFactory.java:27)
at org.keycloak.keycloak-services@18.0.0.db-00001//org.keycloak.services.DefaultKeycloakSessionFactory.loadFactories(DefaultKeycloakSessionFactory.java:297)
at org.keycloak.keycloak-services@18.0.0.db-00001//org.keycloak.services.DefaultKeycloakSessionFactory.init(DefaultKeycloakSessionFactory.java:110)
at org.keycloak.keycloak-services@18.0.0.db-00001//org.keycloak.services.resources.KeycloakApplication.createSessionFactory(KeycloakApplication.java:235)
at org.keycloak.keycloak-services@18.0.0.db-00001//org.keycloak.services.resources.KeycloakApplication.startup(KeycloakApplication.java:126)
at org.keycloak.keycloak-wildfly-extensions@18.0.0.redhat-00001//org.keycloak.provider.wildfly.WildflyPlatform.onStartup(WildflyPlatform.java:36)
at org.keycloak.keycloak-services@18.0.0.db-00001//org.keycloak.services.resources.KeycloakApplication.<init>(KeycloakApplication.java:116)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
at org.jboss.resteasy.resteasy-jaxrs@3.15.3.Final-redhat-00001//org.jboss.resteasy.core.ConstructorInjectorImpl.construct(ConstructorInjectorImpl.java:152)
at org.jboss.resteasy.resteasy-jaxrs@3.15.3.Final-redhat-00001//org.jboss.resteasy.spi.ResteasyProviderFactory.createProviderInstance(ResteasyProviderFactory.java:2835)
at org.jboss.resteasy.resteasy-jaxrs@3.15.3.Final-redhat-00001//org.jboss.resteasy.spi.ResteasyDeployment.createApplication(ResteasyDeployment.java:376)
at org.jboss.resteasy.resteasy-jaxrs@3.15.3.Final-redhat-00001//org.jboss.resteasy.spi.ResteasyDeployment.startInternal(ResteasyDeployment.java:288)
at org.jboss.resteasy.resteasy-jaxrs@3.15.3.Final-redhat-00001//org.jboss.resteasy.spi.ResteasyDeployment.start(ResteasyDeployment.java:98)
at org.jboss.resteasy.resteasy-jaxrs@3.15.3.Final-redhat-00001//org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.init(ServletContainerDispatcher.java:140)
at org.jboss.resteasy.resteasy-jaxrs@3.15.3.Final-redhat-00001//org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.init(HttpServletDispatcher.java:42)
at io.undertow.servlet@2.2.16.Final-redhat-00001//io.undertow.servlet.core.LifecyleInterceptorInvocation.proceed(LifecyleInterceptorInvocation.java:117)
at org.wildfly.extension.undertow@7.4.4.GA-redhat-00011//org.wildfly.extension.undertow.security.RunAsLifecycleInterceptor.init(RunAsLifecycleInterceptor.java:78)
at io.undertow.servlet@2.2.16.Final-redhat-00001//io.undertow.servlet.core.LifecyleInterceptorInvocation.proceed(LifecyleInterceptorInvocation.java:103)
at io.undertow.servlet@2.2.16.Final-redhat-00001//io.undertow.servlet.core.ManagedServlet$DefaultInstanceStrategy.start(ManagedServlet.java:309)
at io.undertow.servlet@2.2.16.Final-redhat-00001//io.undertow.servlet.core.ManagedServlet.createServlet(ManagedServlet.java:145)
at io.undertow.servlet@2.2.16.Final-redhat-00001//io.undertow.servlet.core.DeploymentManagerImpl$2.call(DeploymentManagerImpl.java:588)
at io.undertow.servlet@2.2.16.Final-redhat-00001//io.undertow.servlet.core.DeploymentManagerImpl$2.call(DeploymentManagerImpl.java:559)
at io.undertow.servlet@2.2.16.Final-redhat-00001//io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:42)
at io.undertow.servlet@2.2.16.Final-redhat-00001//io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
at org.wildfly.extension.undertow@7.4.4.GA-redhat-00011//org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105)
at org.wildfly.extension.undertow@7.4.4.GA-redhat-00011//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1551)
at org.wildfly.extension.undertow@7.4.4.GA-redhat-00011//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1551)
at org.wildfly.extension.undertow@7.4.4.GA-redhat-00011//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1551)
at org.wildfly.extension.undertow@7.4.4.GA-redhat-00011//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1551)
at io.undertow.servlet@2.2.16.Final-redhat-00001//io.undertow.servlet.core.DeploymentManagerImpl.start(DeploymentManagerImpl.java:601)
at org.wildfly.extension.undertow@7.4.4.GA-redhat-00011//org.wildfly.extension.undertow.deployment.UndertowDeploymentService.startContext(UndertowDeploymentService.java:97)
at org.wildfly.extension.undertow@7.4.4.GA-redhat-00011//org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:78)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at org.jboss.threads@2.4.0.Final-redhat-00001//org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
at org.jboss.threads@2.4.0.Final-redhat-00001//org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1990)
at org.jboss.threads@2.4.0.Final-redhat-00001//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
at org.jboss.threads@2.4.0.Final-redhat-00001//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
at java.base/java.lang.Thread.run(Thread.java:829)
at org.jboss.threads@2.4.0.Final-redhat-00001//org.jboss.threads.JBossThread.run(JBossThread.java:513)
Caused by: org.infinispan.commons.CacheException: java.lang.NullPointerException
at org.infinispan@11.0.15.Final-redhat-00001//org.infinispan.jmx.ResourceDMBean.getNamedAttribute(ResourceDMBean.java:324)
at org.infinispan@11.0.15.Final-redhat-00001//org.infinispan.jmx.ResourceDMBean.getAttribute(ResourceDMBean.java:200)
at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:641)
... 53 more
Caused by: java.lang.NullPointerException
at org.infinispan@11.0.15.Final-redhat-00001//org.infinispan.jmx.ResourceDMBean$InvokableSetterBasedMBeanAttributeInfo.invoke(ResourceDMBean.java:429)
at org.infinispan@11.0.15.Final-redhat-00001//org.infinispan.jmx.ResourceDMBean.getNamedAttribute(ResourceDMBean.java:318)
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*For RHSSO 7.5.1 (OpenShift image) getting bellow Error:

14-07-202208:17:45,275 ERROR nl.nlighten.prometheus.wildfly.InfinispanExports Error getting property from "authorization(local)": javax.management.RuntimeMBeanException: org.infinispan.commons.CacheException: java.lang.NullPointerException
at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.rethrow(DefaultMBeanServerInterceptor.java:829)
at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.rethrowMaybeMBeanException(DefaultMBeanServerInterceptor.java:842)
at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:645)
at java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:678)
at org.jboss.as.jmx@15.0.8.Final-redhat-00001//org.jboss.as.jmx.PluggableMBeanServerImpl$TcclMBeanServer.getAttribute(PluggableMBeanServerImpl.java:1415)
at org.jboss.as.jmx@15.0.8.Final-redhat-00001//org.jboss.as.jmx.PluggableMBeanServerImpl.getAttribute(PluggableMBeanServerImpl.java:391)
at deployment.keycloak-metric-spi-1.44-SNAPSHOT.jar//nl.nlighten.prometheus.wildfly.InfinispanExports.collect(InfinispanExports.java:82)
at io.prometheus.simpleclient//io.prometheus.client.Collector.collect(Collector.java:46)
at io.prometheus.simpleclient//io.prometheus.client.CollectorRegistry$MetricFamilySamplesEnumeration.findNextElement(CollectorRegistry.java:197)
at io.prometheus.simpleclient//io.prometheus.client.CollectorRegistry$MetricFamilySamplesEnumeration.nextElement(CollectorRegistry.java:212)
at io.prometheus.simpleclient//io.prometheus.client.CollectorRegistry$MetricFamilySamplesEnumeration.nextElement(CollectorRegistry.java:152)
at io.prometheus.simpleclient//io.prometheus.client.exporter.common.TextFormat.write004(TextFormat.java:71)
at deployment.keycloak-metric-spi-1.44-SNAPSHOT.jar//org.jboss.aerogear.keycloak.metrics.HttpPrometheusExporter$PrometheusContentProducer.writeTo(HttpPrometheusExporter.java:113)
at org.apache.httpcomponents.core//org.apache.http.entity.EntityTemplate.writeTo(EntityTemplate.java:73)
at org.apache.httpcomponents.core//org.apache.http.impl.DefaultBHttpServerConnection.sendResponseEntity(DefaultBHttpServerConnection.java:166)
at org.apache.httpcomponents.core//org.apache.http.protocol.HttpService.handleRequest(HttpService.java:363)
at org.apache.httpcomponents.core//org.apache.http.impl.bootstrap.Worker.run(Worker.java:66)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: org.infinispan.commons.CacheException: java.lang.NullPointerException
at org.infinispan@11.0.15.Final-redhat-00001//org.infinispan.jmx.ResourceDMBean.getNamedAttribute(ResourceDMBean.java:324)
at org.infinispan@11.0.15.Final-redhat-00001//org.infinispan.jmx.ResourceDMBean.getAttribute(ResourceDMBean.java:200)
at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:641)
... 17 more
Caused by: java.lang.NullPointerException
at org.infinispan@11.0.15.Final-redhat-00001//org.infinispan.jmx.ResourceDMBean$InvokableSetterBasedMBeanAttributeInfo.invoke(ResourceDMBean.java:429)
at org.infinispan@11.0.15.Final-redhat-00001//org.infinispan.jmx.ResourceDMBean.getNamedAttribute(ResourceDMBean.java:318)
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