title: Error scanning entry "module-info.class" when starting Jetty server
body: <p>I'm seeing this recently when I start my java server. Has anyone else seen this? If so whats the fix? 
  I can confirm the jar's and the module-info.class are present in the relevant paths.</p>
  
  <pre><code> MultiException[java.lang.RuntimeException: Error scanning entry module-info.class from jar
   file:jetty/9.2.4.v20141103/tempDirectory/webapp/WEB-INF/lib/slf4j-api-1.8.0-alpha2.jar, java.lang.RuntimeException: Error scanning entry module-info.class from jar
   file:jetty/9.2.4.v20141103/tempDirectory/webapp/WEB-INF/lib/log4j-over-slf4j-1.8.0-alpha2.jar, java.lang.RuntimeException: Error scanning entry module-info.class from jar
   file:jetty/9.2.4.v20141103/tempDirectory/webapp/WEB-INF/lib/jcl-over-slf4j-1.8.0-alpha2.jar] at
   org.eclipse.jetty.annotations.AnnotationConfiguration.scanForAnnotations(AnnotationConfiguration.java:535) at
   org.eclipse.jetty.annotations.AnnotationConfiguration.configure(AnnotationConfiguration.java:446) at
   org.eclipse.jetty.webapp.WebAppContext.configure(WebAppContext.java:473) at
   org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1331) at
   org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:741) at
   org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:499) at
   org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at
   org.eclipse.jetty.deploy.bindings.StandardStarter.processBinding(StandardStarter.java:41) at
   org.eclipse.jetty.deploy.AppLifeCycle.runBindings(AppLifeCycle.java:186) at
   org.eclipse.jetty.deploy.DeploymentManager.requestAppGoal(DeploymentManager.java:498) at
   org.eclipse.jetty.deploy.DeploymentManager.addApp(DeploymentManager.java:146) at
   org.eclipse.jetty.deploy.providers.ScanningAppProvider.fileAdded(ScanningAppProvider.java:180) at
   org.eclipse.jetty.deploy.providers.ScanningAppProvider$1.fileAdded(ScanningAppProvider.java:64) at 
   org.eclipse.jetty.util.Scanner.reportAddition(Scanner.java:609) at 
   org.eclipse.jetty.util.Scanner.reportDifferences(Scanner.java:528) at
   org.eclipse.jetty.util.Scanner.scan(Scanner.java:391) at
   org.eclipse.jetty.util.Scanner.doStart(Scanner.java:313) at
   org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at
   org.eclipse.jetty.deploy.providers.ScanningAppProvider.doStart(ScanningAppProvider.java:150) at
   org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at
   org.eclipse.jetty.deploy.DeploymentManager.startAppProvider(DeploymentManager.java:560) at
   org.eclipse.jetty.deploy.DeploymentManager.doStart(DeploymentManager.java:235) at
   org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at
   org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132) at 
   org.eclipse.jetty.server.Server.start(Server.java:387) at
   org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114) at
   org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61) at 
   org.eclipse.jetty.server.Server.doStart(Server.java:354) at
   org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at
   org.eclipse.jetty.xml.XmlConfiguration$1.run(XmlConfiguration.java:1255) at 
   java.security.AccessController.doPrivileged(Native Method)     at
   org.eclipse.jetty.xml.XmlConfiguration.main(XmlConfiguration.java:1174) 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:483) at
   org.eclipse.jetty.start.Main.invokeMain(Main.java:323) at
   org.eclipse.jetty.start.Main.start(Main.java:820) at
   org.eclipse.jetty.start.Main.main(Main.java:112)
  </code></pre>