error

[22:15:14 WARN]: [org.eclipse.jetty.server.HttpChannel] /login.php
java.lang.NoSuchMethodError: javax.servlet.http.Cookie.isHttpOnly()Z
        at org.eclipse.jetty.server.Response.addCookie(Response.java:289) ~[?:?]
        at me.jayfella.webop.website.pages.Login.attemptLogin(Login.java:105) ~[?:?]
        at me.jayfella.webop.website.pages.Login.post(Login.java:63) ~[?:?]
        at me.jayfella.webop.Servlets.MyHttpServlet.doPost(MyHttpServlet.java:77) ~[?:?]
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) ~[?:?]
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) ~[?:?]
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:763) ~[?:?]
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:551) ~[?:?]
        at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1610) ~[?:?]
        at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1363) ~[?:?]
        at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:489) ~[?:?]
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1580) ~[?:?]
        at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1278) ~[?:?]
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146) ~[?:?]
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
        at org.eclipse.jetty.server.Server.handle(Server.java:500) ~[?:?]
        at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383) ~[?:?]
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:547) ~[?:?]
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375) ~[?:?]
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:273) ~[?:?]
        at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103) ~[?:?]
        at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117) ~[?:?]
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336) ~[?:?]
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313) ~[?:?]
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171) ~[?:?]
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129) ~[?:?]
        at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:375) ~[?:?]
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806) ~[?:?]
        at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:938) ~[?:?]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_275]