/subsystem=microprofile-health-smallrye:check
{
    "outcome" => "failed",
    "failure-description" => "WFLYCTL0158: Operation handler failed: java.lang.NullPointerException",
    "rolled-back" => true
}

WFLYCTL0013: Operation ("check") failed - address: ([("subsystem" => "microprofile-health-smallrye")]): java.lang.NullPointerException
        at org.wildfly.extension.microprofile.health.CheckOperation.executeRuntimeStep(CheckOperation.java:59)
        at org.jboss.as.controller.AbstractRuntimeOnlyHandler$1.execute(AbstractRuntimeOnlyHandler.java:59)
        at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:999)
        at org.jboss.as.controller.AbstractOperationContext.processStages(AbstractOperationContext.java:743)
        at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:467)
        at org.jboss.as.controller.OperationContextImpl.executeOperation(OperationContextImpl.java:1411)
        at org.jboss.as.controller.ModelControllerImpl.internalExecute(ModelControllerImpl.java:423)
        at org.jboss.as.controller.ModelControllerImpl.lambda$execute$1(ModelControllerImpl.java:243)
        at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:289)
        at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:255)
        at org.jboss.as.controller.ModelControllerImpl.execute(ModelControllerImpl.java:243)
        at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler.doExecute(ModelControllerClientOperationHandler.java:240)
        at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler.access$400(ModelControllerClientOperationHandler.java:138)
        at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler$1$1.run(ModelControllerClientOperationHandler.java:162)
        at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler$1$1.run(ModelControllerClientOperationHandler.java:158)
        at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:313)
        at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:270)
        at org.jboss.as.controller.AccessAuditContext.doAs(AccessAuditContext.java:254)
        at org.jboss.as.controller.AccessAuditContext.doAs(AccessAuditContext.java:225)
        at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler$1.execute(ModelControllerClientOperationHandler.java:158)
        at org.jboss.as.protocol.mgmt.ManagementRequestContextImpl$1.doExecute(ManagementRequestContextImpl.java:70)
        at org.jboss.as.protocol.mgmt.ManagementRequestContextImpl$AsyncTaskRunner.run(ManagementRequestContextImpl.java:160)
        at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
        at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1985)
        at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1487)
        at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1378)
        at java.lang.Thread.run(Thread.java:748)
        at org.jboss.threads.JBossThread.run(JBossThread.java:485)