transport-couchbase plugin error
1)
[2016-04-26 17:57:24,508][INFO ][node ] [Moonstone] version[2.1.1], pid[8736], build[40e2c53/2015-12-15T13:05:55Z]
[2016-04-26 17:57:24,511][INFO ][node ] [Moonstone] initializing ...
[2016-04-26 17:57:25,492][INFO ][plugins ] [Moonstone] loaded [transport-couchbase], sites [head]
[2016-04-26 17:57:30,717][INFO ][transport.couchbase.capi ] [Moonstone] Plugin Settings: PluginSettings{checkpointDocumentType='couchbaseCheckpoint', resolveConflicts=true, wrapCounters=false, ignoreFailures=false, ignoreDotIndexes=true, dynamicTypePath='null', maxConcurrentRequests=1024, bulkIndexRetries=10, bulkIndexRetryWaitMs=1000, typeSelector=org.elasticsearch.transport.couchbase.capi.DefaultTypeSelector, parentSelector=org.elasticsearch.transport.couchbase.capi.DefaultParentSelector, keyFilter=org.elasticsearch.transport.couchbase.capi.DefaultKeyFilter, documentTypeRoutingFields={}, ignoreDeletes=[], includeIndexes=[]}
[2016-04-26 17:57:30,939][INFO ][node ] [Moonstone] initialized
[2016-04-26 17:57:30,939][INFO ][node ] [Moonstone] starting ...
[2016-04-26 17:57:31,186][INFO ][transport.couchbase.capi ] [Moonstone] Resolved publish host:/127.0.0.1
[2016-04-26 17:57:31,186][INFO ][transport.couchbase.capi ] [Moonstone] Resolved bind host:/0:0:0:0:0:0:0:1
[2016-04-26 17:57:31,391][INFO ][transport.couchbase.capi ] [Moonstone] Using port(s):8092
[2016-04-26 17:57:31,392][INFO ][transport.couchbase.capi ] [Moonstone] Starting transport-couchbase plugin server on address:/0:0:0:0:0:0:0:1 port: 8092 publish address: /127.0.0.1
[2016-04-26 17:57:31,526][ERROR][bootstrap ] [Moonstone] Exception
BindHttpException[Failed to bind to [8092]]; nested: AccessControlException[access denied ("javax.security.auth.AuthPermission" "modifyPrincipals")];
at org.elasticsearch.transport.couchbase.capi.CouchbaseCAPITransportImpl.doStart(CouchbaseCAPITransportImpl.java:245)
at org.elasticsearch.common.component.AbstractLifecycleComponent.start(AbstractLifecycleComponent.java:68)
at org.elasticsearch.transport.couchbase.CouchbaseCAPI.doStart(CouchbaseCAPI.java:42)
at org.elasticsearch.common.component.AbstractLifecycleComponent.start(AbstractLifecycleComponent.java:68)
at org.elasticsearch.node.Node.start(Node.java:242)
at org.elasticsearch.bootstrap.Bootstrap.start(Bootstrap.java:221)
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:287)
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:35)
Caused by: java.security.AccessControlException: access denied ("javax.security.auth.AuthPermission" "modifyPrincipals")
at java.security.AccessControlContext.checkPermission(AccessControlContext.java:372)
at java.security.AccessController.checkPermission(AccessController.java:559)
at java.lang.SecurityManager.checkPermission(SecurityManager.java:549)
at javax.security.auth.Subject$SecureSet.add(Subject.java:1092)
at java.util.Collections$SynchronizedCollection.add(Collections.java:1636)
at org.eclipse.jetty.security.MappedLoginService.putUser(MappedLoginService.java:185)
at com.couchbase.capi.CAPIServer.basicAuth(CAPIServer.java:142)
at com.couchbase.capi.CAPIServer.(CAPIServer.java:74)
at org.elasticsearch.transport.couchbase.capi.CouchbaseCAPITransportImpl$1$1.run(CouchbaseCAPITransportImpl.java:221)
at org.elasticsearch.transport.couchbase.capi.CouchbaseCAPITransportImpl$1$1.run(CouchbaseCAPITransportImpl.java:217)
at java.security.AccessController.doPrivileged(Native Method)
at org.elasticsearch.transport.couchbase.capi.CouchbaseCAPITransportImpl$1.onPortNumber(CouchbaseCAPITransportImpl.java:217)
at org.elasticsearch.common.transport.PortsRange.iterate(PortsRange.java:58)
at org.elasticsearch.transport.couchbase.capi.CouchbaseCAPITransportImpl.doStart(CouchbaseCAPITransportImpl.java:214)
... 7 more
[2016-04-26 17:57:31,613][INFO ][node ] [Moonstone] stopping ...
[2016-04-26 17:57:31,615][INFO ][node ] [Moonstone] stopped
[2016-04-26 17:57:31,616][INFO ][node ] [Moonstone] closing ...
[2016-04-26 17:57:31,626][INFO ][node ] [Moonstone] closed
After error I've changed the permission in java.policy as per below URL
I've also provided couchbase username , password and port in elasticsearch.yml
But still I'm getting error 1.