[standalone@localhost:9990 /] /subsystem=elytron/dir-context=b:add(url=ldap://localhost, principal="CN=user,DC=wildfly,DC=org", credential=password)
{"outcome" => "success"}
[standalone@localhost:9990 /] /subsystem=elytron/ldap-key-store=b:add(dir-context=b,search-path="DC=wildfly,DC=org")
{"outcome" => "success"}
[standalone@localhost:9990 /] /subsystem=elytron/ldap-key-store=b:remove()
{
    "outcome" => "failed",
    "failure-description" => "WFLYCTL0158: Operation handler failed: java.lang.IllegalStateException: ELY02015: Failed to obtain DirContext",
    "rolled-back" => true
}

14:55:41,841 ERROR [org.jboss.as.controller.management-operation] (management-handler-thread - 12) WFLYCTL0013: Operation ("remove") failed - address: ([
    ("subsystem" => "elytron"),
    ("ldap-key-store" => "b")
]): java.lang.IllegalStateException: ELY02015: Failed to obtain DirContext
	at org.wildfly.security.keystore.LdapKeyStoreSpi.obtainDirContext(LdapKeyStoreSpi.java:126)
	at org.wildfly.security.keystore.LdapKeyStoreSpi.engineSize(LdapKeyStoreSpi.java:381)
	at java.security.KeyStore.size(KeyStore.java:1271)
	at org.wildfly.security.keystore.DelegatingKeyStoreSpi.engineSize(DelegatingKeyStoreSpi.java:121)
	at java.security.KeyStore.size(KeyStore.java:1271)
	at org.wildfly.extension.elytron.KeyStoreResource.containsAliases(KeyStoreResource.java:163)
	at org.wildfly.extension.elytron.KeyStoreResource.getChildTypes(KeyStoreResource.java:61)
	at org.jboss.as.controller.registry.Resource$Tools.readModel(Resource.java:287)
	at org.jboss.as.controller.registry.Resource$Tools.readModel(Resource.java:276)
	at org.jboss.as.controller.registry.Resource$Tools.readModel(Resource.java:262)
	at org.jboss.as.controller.registry.Resource$Tools.readModel(Resource.java:250)
	at org.jboss.as.controller.AbstractRemoveStepHandler.execute(AbstractRemoveStepHandler.java:66)
	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$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
	at org.jboss.threads.JBossThread.run(JBossThread.java:320)
Caused by: javax.naming.NamingException: WFLYNAM0027: Failed instantiate InitialContextFactory com.sun.jndi.ldap.LdapCtxFactory from classloader ModuleClassLoader for Module "org.wildfly.extension.elytron:main" from local module loader @5479e3f (finder: local module finder @27082746 (roots: /home/mchoma/workspace/eap-versions/7.1.0.DR6/jboss-eap-7.1/modules,/home/mchoma/workspace/eap-versions/7.1.0.DR6/jboss-eap-7.1/modules/system/layers/base)) [Root exception is java.lang.ClassNotFoundException: com.sun.jndi.ldap.LdapCtxFactory from [Module "org.wildfly.extension.elytron:main" from local module loader @5479e3f (finder: local module finder @27082746 (roots: /home/mchoma/workspace/eap-versions/7.1.0.DR6/jboss-eap-7.1/modules,/home/mchoma/workspace/eap-versions/7.1.0.DR6/jboss-eap-7.1/modules/system/layers/base))]]
	at org.jboss.as.naming.InitialContext.getDefaultInitCtx(InitialContext.java:118)
	at org.jboss.as.naming.InitialContext.init(InitialContext.java:99)
	at javax.naming.ldap.InitialLdapContext.<init>(InitialLdapContext.java:154)
	at org.jboss.as.naming.InitialContext.<init>(InitialContext.java:89)
	at org.jboss.as.naming.InitialContextFactory.getInitialContext(InitialContextFactory.java:43)
	at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:684)
	at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:313)
	at javax.naming.InitialContext.init(InitialContext.java:244)
	at javax.naming.ldap.InitialLdapContext.<init>(InitialLdapContext.java:154)
	at org.wildfly.security.auth.realm.ldap.SimpleDirContextFactoryBuilder$SimpleDirContextFactory.createDirContext(SimpleDirContextFactoryBuilder.java:286)
	at org.wildfly.security.auth.realm.ldap.SimpleDirContextFactoryBuilder$SimpleDirContextFactory.obtainDirContext(SimpleDirContextFactoryBuilder.java:222)
	at org.wildfly.extension.elytron.DirContextDefinition.lambda$null$0(DirContextDefinition.java:148)
	at org.wildfly.security.keystore.LdapKeyStoreSpi.obtainDirContext(LdapKeyStoreSpi.java:120)
	... 31 more
Caused by: java.lang.ClassNotFoundException: com.sun.jndi.ldap.LdapCtxFactory from [Module "org.wildfly.extension.elytron:main" from local module loader @5479e3f (finder: local module finder @27082746 (roots: /home/mchoma/workspace/eap-versions/7.1.0.DR6/jboss-eap-7.1/modules,/home/mchoma/workspace/eap-versions/7.1.0.DR6/jboss-eap-7.1/modules/system/layers/base))]
	at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:199)
	at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:377)
	at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:365)
	at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:94)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:348)
	at org.jboss.as.naming.InitialContext.getDefaultInitCtx(InitialContext.java:113)
	... 43 more