failure-description from adding empty Elytron jdbc-realm should contain required attributes

[standalone@localhost:9990 /] /subsystem=elytron/jdbc-realm=jdbc-realm1:add
{
    "outcome" => "failed",
    "failure-description" => "WFLYCTL0158: Operation handler failed: java.lang.IllegalArgumentException",
    "rolled-back" => true
}

15:51:39,521 ERROR [org.jboss.as.controller.management-operation] (management-handler-thread - 4) WFLYCTL0013: Operation ("add") failed - address: ([
    ("subsystem" => "elytron"),
    ("jdbc-realm" => "jdbc-realm1")
]): java.lang.IllegalArgumentException
	at org.jboss.dmr.ModelValue.asList(ModelValue.java:143)
	at org.jboss.dmr.ModelNode.asList(ModelNode.java:1389)
	at org.wildfly.extension.elytron.JdbcRealmDefinition$RealmAddHandler.performRuntime(JdbcRealmDefinition.java:530)
	at org.jboss.as.controller.AbstractAddStepHandler.performRuntime(AbstractAddStepHandler.java:337)
	at org.jboss.as.controller.AbstractAddStepHandler$1.execute(AbstractAddStepHandler.java:151)
	at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:940)
	at org.jboss.as.controller.AbstractOperationContext.processStages(AbstractOperationContext.java:683)
	at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:382)
	at org.jboss.as.controller.OperationContextImpl.executeOperation(OperationContextImpl.java:1363)
	at org.jboss.as.controller.ModelControllerImpl.internalExecute(ModelControllerImpl.java:410)
	at org.jboss.as.controller.ModelControllerImpl.execute(ModelControllerImpl.java:232)
	at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$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)