Can not run Decision Manager Hello World demo

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I was trying to set up Red Hat Decision Manager "Hello World" demo, based on the instruction on the link: https://developers.redhat.com/products/red-hat-decision-manager/hello-world#fndtn-decision-manager-on-eap

I've run the “init.bat” to install the Decision Manager 7 platform successfully.
However, when running "standalone.bat”, I encountered the following error, and when I tried to access the Decision Manager - Decision Central workbench at http://localhost:8080/decision-central, and log in with username “dmAdmin” and password “redhatdm1!”, it shows "Login failed: Not Authorized".

Anyone can help on this?

Error message when running standalone.bat:

23:03:49,714 WARN [org.kie.server.controller.websocket.client.WebSocketKieServerControllerImpl] (KieServer-ControllerConnect) Exception encountered while syncing with controller at ws://localhost:8080/decision-central/websocket/controller/default-kie-server error Invalid response code 500
23:03:59,725 ERROR [io.undertow.request] (default task-2) UT005023: Exception handling request to /decision-central/websocket/controller/default-kie-server: java.lang.NoClassDefFoundError: java/security/acl/Group
at java.base/java.lang.Class.getDeclaredConstructors0(Native Method)
at java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3215)
at java.base/java.lang.Class.getConstructor0(Class.java:3420)
at java.base/java.lang.Class.newInstance(Class.java:585)
at java.base/javax.security.auth.login.LoginContext.invoke(LoginContext.java:704)
at java.base/javax.security.auth.login.LoginContext$4.run(LoginContext.java:665)
at java.base/javax.security.auth.login.LoginContext$4.run(LoginContext.java:663)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:691)
at java.base/javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:663)
at java.base/javax.security.auth.login.LoginContext.login(LoginContext.java:574)
at org.picketbox//org.jboss.security.authentication.JBossCachedAuthenticationManager.defaultLogin(JBossCachedAuthenticationManager.java:406)
at org.picketbox//org.jboss.security.authentication.JBossCachedAuthenticationManager.proceedWithJaasLogin(JBossCachedAuthenticationManager.java:345)
at org.picketbox//org.jboss.security.authentication.JBossCachedAuthenticationManager.authenticate(JBossCachedAuthenticationManager.java:333)
at org.picketbox//org.jboss.security.authentication.JBossCachedAuthenticationManager.isValid(JBossCachedAuthenticationManager.java:146)
at org.wildfly.extension.undertow@7.3.0.GA-redhat-00004//org.wildfly.extension.undertow.security.JAASIdentityManagerImpl.verifyCredential(JAASIdentityManagerImpl.java:123)
at org.wildfly.extension.undertow@7.3.0.GA-redhat-00004//org.wildfly.extension.undertow.security.JAASIdentityManagerImpl.verify(JAASIdentityManagerImpl.java:94)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.security.impl.BasicAuthenticationMechanism.authenticate(BasicAuthenticationMechanism.java:167)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.security.impl.SecurityContextImpl$AuthAttempter.transition(SecurityContextImpl.java:245)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.security.impl.SecurityContextImpl$AuthAttempter.transition(SecurityContextImpl.java:268)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.security.impl.SecurityContextImpl$AuthAttempter.access$100(SecurityContextImpl.java:231)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.security.impl.SecurityContextImpl.attemptAuthentication(SecurityContextImpl.java:125)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.security.impl.SecurityContextImpl.authTransition(SecurityContextImpl.java:99)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.security.impl.SecurityContextImpl.authenticate(SecurityContextImpl.java:92)
at io.undertow.servlet@2.0.28.SP1-redhat-00001//io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:55)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.server.handlers.DisableCacheHandler.handleRequest(DisableCacheHandler.java:33)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:53)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
at io.undertow.servlet@2.0.28.SP1-redhat-00001//io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
at io.undertow.servlet@2.0.28.SP1-redhat-00001//io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:59)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
at io.undertow.servlet@2.0.28.SP1-redhat-00001//io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at org.wildfly.extension.undertow@7.3.0.GA-redhat-00004//org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at org.wildfly.extension.undertow@7.3.0.GA-redhat-00004//org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:68)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.servlet@2.0.28.SP1-redhat-00001//io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:269)
at io.undertow.servlet@2.0.28.SP1-redhat-00001//io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:78)
at io.undertow.servlet@2.0.28.SP1-redhat-00001//io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:133)
at io.undertow.servlet@2.0.28.SP1-redhat-00001//io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:130)
at io.undertow.servlet@2.0.28.SP1-redhat-00001//io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
at io.undertow.servlet@2.0.28.SP1-redhat-00001//io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
at org.wildfly.extension.undertow@7.3.0.GA-redhat-00004//org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105)
at org.wildfly.extension.undertow@7.3.0.GA-redhat-00004//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504)
at org.wildfly.extension.undertow@7.3.0.GA-redhat-00004//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504)
at org.wildfly.extension.undertow@7.3.0.GA-redhat-00004//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504)
at org.wildfly.extension.undertow@7.3.0.GA-redhat-00004//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504)
at io.undertow.servlet@2.0.28.SP1-redhat-00001//io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:249)
at io.undertow.servlet@2.0.28.SP1-redhat-00001//io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:78)
at io.undertow.servlet@2.0.28.SP1-redhat-00001//io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:99)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.server.Connectors.executeRootHandler(Connectors.java:376)
at io.undertow.core@2.0.28.SP1-redhat-00001//io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830)
at org.jboss.threads@2.3.3.Final-redhat-00001//org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
at org.jboss.threads@2.3.3.Final-redhat-00001//org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1982)
at org.jboss.threads@2.3.3.Final-redhat-00001//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
at org.jboss.threads@2.3.3.Final-redhat-00001//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
at java.base/java.lang.Thread.run(Thread.java:832)
Caused by: java.lang.ClassNotFoundException: java.security.acl.Group from [Module "org.picketbox" from local module loader @3899782c (finder: local module finder @1603cd68 (roots: C:\Matrix\RedhatDM\rhdm7-install-demo\target\jboss-eap-7.3\modules,C:\Matrix\RedhatDM\rhdm7-install-demo\target\jboss-eap-7.3\modules\system\layers\base))]
at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:255)
at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:410)
at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:398)
at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:116)
... 60 more

23:04:04,350 WARN [org.kie.server.controller.websocket.client.WebSocketKieServerControllerImpl] (KieServer-ControllerConnect) Exception encountered while syncing with controller at ws://localhost:8080/decision-central/websocket/controller/default-kie-server error Invalid response code 500

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