failed to create zeppelin notebook using zeppelin-intellij plugin

I installed zeppelin-intellij notebook from  https://plugins.jetbrains.com/plugin/10023-intellij-zeppelin 

when I would to create a note book I get this error :

connect timed out
java.net.SocketTimeoutException: connect timed out
at java.net.TwoStacksPlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
at sun.net.www.http.HttpClient.New(HttpClient.java:308)
at sun.net.www.http.HttpClient.New(HttpClient.java:326)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1202)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1138)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1032)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:966)
at scalaj.http.StringBodyConnectFunc.apply(Http.scala:500)
at scalaj.http.StringBodyConnectFunc.apply(Http.scala:497)
at scalaj.http.HttpRequest.scalaj$http$HttpRequest$$doConnection(Http.scala:355)
at scalaj.http.HttpRequest.exec(Http.scala:335)
at scalaj.http.HttpRequest.asString(Http.scala:455)
at intellij.zeppelin.ZeppelinApi.createNotebook(ZeppelinApi.scala:60)
at intellij.zeppelin.ZeppelinNewNoteAction.actionPerformed(ZeppelinNewNoteAction.scala:13)
at com.intellij.openapi.actionSystem.ex.ActionUtil$1.run(ActionUtil.java:220)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:237)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher$1.performAction(IdeKeyEventDispatcher.java:576)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.lambda$processAction$2(IdeKeyEventDispatcher.java:625)
at com.intellij.openapi.application.TransactionGuardImpl.performUserActivity(TransactionGuardImpl.java:195)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processAction(IdeKeyEventDispatcher.java:624)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.inInitState(IdeKeyEventDispatcher.java:479)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.dispatchKeyEvent(IdeKeyEventDispatcher.java:213)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:695)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:395)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

any help please