[standalone@localhost:9990 /] /subsystem=elytron/filtering-key-store=filteringKeyStore:add(key-store=server, alias-filter=undertow)
{"outcome" => "success"}
[standalone@localhost:9990 /] /subsystem=elytron/filtering-key-store=filteringKeyStore:write-attribute(name=alias-filter,value=management)
{
    "outcome" => "failed",
    "failure-description" => "WFLYCTL0158: Operation handler failed: java.lang.NullPointerException",
    "rolled-back" => true
}

09:51:45,250 ERROR [org.jboss.as.controller.management-operation] (management-handler-thread - 10) WFLYCTL0013: Operation ("write-attribute") failed - address: ([
    ("subsystem" => "elytron"),
    ("filtering-key-store" => "filteringKeyStore")
]): java.lang.NullPointerException
	at org.wildfly.extension.elytron.FilteringKeyStoreDefinition$WriteAttributeHandler.getParentServiceName(FilteringKeyStoreDefinition.java:174)
	at org.jboss.as.controller.RestartParentWriteAttributeHandler.applyUpdateToRuntime(RestartParentWriteAttributeHandler.java:57)
	at org.jboss.as.controller.AbstractWriteAttributeHandler$1.execute(AbstractWriteAttributeHandler.java:104)
	at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:940)
	at org.jboss.as.controller.AbstractOperationContext.processStages(AbstractOperationContext.java:683)
	at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:382)
	at org.jboss.as.controller.OperationContextImpl.executeOperation(OperationContextImpl.java:1363)
	at org.jboss.as.controller.ModelControllerImpl.internalExecute(ModelControllerImpl.java:410)
	at org.jboss.as.controller.ModelControllerImpl.execute(ModelControllerImpl.java:232)
	at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler.doExecute(ModelControllerClientOperationHandler.java:213)
	at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler.access$300(ModelControllerClientOperationHandler.java:136)
	at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler$1$1.run(ModelControllerClientOperationHandler.java:157)
	at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler$1$1.run(ModelControllerClientOperationHandler.java:153)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.jboss.as.controller.AccessAuditContext.doAs(AccessAuditContext.java:149)
	at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler$1.execute(ModelControllerClientOperationHandler.java:153)
	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 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)
	at org.jboss.threads.JBossThread.run(JBossThread.java:320)