[standalone@embedded /] connection-info
13:14:59,095 ERROR [org.jboss.as.controller.management-operation] (AeshProcess: 32) WFLYCTL0013: Operation ("whoami") failed - address: ([]): java.lang.IllegalArgumentException: newValue is null
        at org.jboss.dmr.ModelNode.set(ModelNode.java:499)
        at org.jboss.as.domain.management.security.WhoAmIOperation.execute(WhoAmIOperation.java:95)
        at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:890)
        at org.jboss.as.controller.AbstractOperationContext.processStages(AbstractOperationContext.java:659)
        at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:370)
        at org.jboss.as.controller.OperationContextImpl.executeOperation(OperationContextImpl.java:1344)
        at org.jboss.as.controller.ModelControllerImpl.internalExecute(ModelControllerImpl.java:392)
        at org.jboss.as.controller.ModelControllerImpl.execute(ModelControllerImpl.java:204)
        at org.jboss.as.controller.ModelControllerImpl$3.execute(ModelControllerImpl.java:659)
        at org.jboss.as.controller.ModelControllerImpl$3.execute(ModelControllerImpl.java:649)
        at org.jboss.as.controller.client.helpers.DelegatingModelControllerClient.execute(DelegatingModelControllerClient.java:63)
        at org.jboss.as.cli.embedded.ThreadContextsModelControllerClient.execute(ThreadContextsModelControllerClient.java:59)
        at org.jboss.as.cli.handlers.ConnectionInfoHandler.doHandle(ConnectionInfoHandler.java:74)
        at org.jboss.as.cli.handlers.CommandHandlerWithHelp.handle(CommandHandlerWithHelp.java:88)
        at org.jboss.as.cli.impl.CommandContextImpl.handle(CommandContextImpl.java:776)
        at org.jboss.as.cli.impl.CommandContextImpl.handleSafe(CommandContextImpl.java:799)
        at org.jboss.as.cli.impl.CommandContextImpl$2.execute(CommandContextImpl.java:412)
        at org.jboss.aesh.console.AeshProcess.run(AeshProcess.java:53)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)

WFLYCTL0158: Operation handler failed: java.lang.IllegalArgumentException: newValue is null
Failed to handle 'connection-info': java.lang.NullPointerException