title: java.util.NoSuchElementException: No value present even though we use stream
body: <p>I am new to java, i am running a local server (jar) and trying to hit an API endpoint. All data is correct, and I am getting below :
  java.util.NoSuchElementException: No value present
  The execption seems to be occuring on the below line in the code snippet
  .get()</p>
  
  <p>any help is greatly appreciated!!</p>
  
  <p>Using java8</p>
  
  <pre><code>final List&lt;BundleValue&gt; existingBundleValues = bundles.stream()
                                                                .filter(bundle -&gt; bundle.type().equals(bundleType))
                                                                .findFirst()
                                                                .get()
                                                                .values()
                                                                .stream()
                                                                .map(BundleValue::convertFromAbstractBundleValue)
                                                                .collect(Collectors.toList());
  
  
  
  java.util.NoSuchElementException: No value present
          at java.util.Optional.get(Optional.java:135)
          at com.groupon.goods.productbundlingservice.service.BundlingService.isNewBundle(BundlingService.java:105)
          at com.groupon.goods.productbundlingservice.resources.ProductBundlingServiceResource.createBundle(ProductBundlingServiceResource.java:119)
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
          at java.lang.reflect.Method.invoke(Method.java:498)
          at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81)
          at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:144)
          at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:161)
          at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:160)
          at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:99)
          at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:389)
          at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:347)
          at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:102)
          at org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:326)
          at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271)
          at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267)
          at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
          at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
          at org.glassfish.jersey.internal.Errors.process(Errors.java:267)
          at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317)
          at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305)
          at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154)
          at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:473)
          at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:427)
          at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:388)
          at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:341)
          at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:228)
          at io.dropwizard.jetty.NonblockingServletHolder.handle(NonblockingServletHolder.java:49)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1650)
          at io.dropwizard.servlets.ThreadNameFilter.doFilter(ThreadNameFilter.java:34)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
          at io.dropwizard.jersey.filter.AllowedMethodsFilter.handle(AllowedMethodsFilter.java:45)
          at io.dropwizard.jersey.filter.AllowedMethodsFilter.doFilter(AllowedMethodsFilter.java:39)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
          at com.groupon.jtier.bundles.ctx.CtxFilter.doFilter(CtxFilter.java:56)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
          at com.groupon.jtier.bundles.debug.StenoLoggerFilter.doFilter(StenoLoggerFilter.java:118)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
          at com.groupon.jtier.bundles.debug.RequestServletFilter.doFilter(RequestServletFilter.java:46)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
          at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
          at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
          at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)
          at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)
          at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
          at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)
          at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)
          at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
          at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
          at com.codahale.metrics.jetty9.InstrumentedHandler.handle(InstrumentedHandler.java:241)
          at io.dropwizard.jetty.RoutingHandler.handle(RoutingHandler.java:52)
          at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:455)
          at io.dropwizard.jetty.BiDiGzipHandler.handle(BiDiGzipHandler.java:68)
          at org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:169)
          at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
          at org.eclipse.jetty.server.Server.handle(Server.java:561)
          at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:334)
          at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
          at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)
          at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:104)
          at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)
          at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:679)
          at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:597)
          at java.lang.Thread.run(Thread.java:748)
  </code></pre>