我在Eclipse Oxygen的Super Dev Mode中运行。当它启动时，我看到如下所示的异常。我不知道是什么导致它以及如何解决它。在升级到Oxygen之前我运行Kepler并且没有这个问题。
非常感谢任何帮助！
Starting Jetty on port 8888
[WARN] FAILED org.eclipse.jetty.security.ConstraintSecurityHandler@1dda65c: java.lang.ArrayStoreException: org.eclipse.jetty.security.SecurityHandler$1
java.lang.ArrayStoreException: org.eclipse.jetty.security.SecurityHandler$1
at org.eclipse.jetty.util.LazyList.addToArray(LazyList.java:455)
at org.eclipse.jetty.server.handler.ContextHandler.addEventListener(ContextHandler.java:599)
at org.eclipse.jetty.security.SecurityHandler.doStart(SecurityHandler.java:300)
at org.eclipse.jetty.security.ConstraintSecurityHandler.doStart(ConstraintSecurityHandler.java:453)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:95)
at org.eclipse.jetty.server.handler.ScopedHandler.doStart(ScopedHandler.java:115)
at org.eclipse.jetty.server.session.SessionHandler.doStart(SessionHandler.java:124)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:95)
at org.eclipse.jetty.server.handler.ScopedHandler.doStart(ScopedHandler.java:115)
at org.eclipse.jetty.server.handler.ContextHandler.startContext(ContextHandler.java:763)
at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:249)
at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1242)
at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:717)
at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:494)
at com.google.gwt.dev.shell.jetty.JettyLauncher$WebAppContextWithReload.doStart(JettyLauncher.java:541)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:95)
at org.eclipse.jetty.server.handler.RequestLogHandler.doStart(RequestLogHandler.java:162)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:95)
at org.eclipse.jetty.server.Server.doStart(Server.java:282)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at com.google.gwt.dev.shell.jetty.JettyLauncher.start(JettyLauncher.java:740)
at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:632)
at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:1054)
at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:836)
at com.google.gwt.dev.DevMode.main(DevMode.java:413)