Java GWT映射Icon.NewInstance间歇性引发异常
我正在创建一个自定义图标,用作地图上的标记,并且是间歇性的,但通常是此功能:Java GWT映射Icon.NewInstance间歇性引发异常,java,google-maps,gwt,Java,Google Maps,Gwt,我正在创建一个自定义图标,用作地图上的标记,并且是间歇性的,但通常是此功能: private Icon createIcon(String Url) { Icon icon = Icon.newInstance(Url); //<-- This line throws exception icon.setIconSize(Size.newInstance(30, 30)); icon.setIconAnchor(Point.newInstance(
private Icon createIcon(String Url) {
Icon icon = Icon.newInstance(Url); //<-- This line throws exception
icon.setIconSize(Size.newInstance(30, 30));
icon.setIconAnchor(Point.newInstance(6, 20));
icon.setInfoWindowAnchor(Point.newInstance(14, 4));
return icon;
}
有人知道为什么会发生这种情况,以及我能做些什么来修复这种行为吗?这最终导致了并发问题,当试图生成图标时,映射没有完成加载。当我移动一些代码,使其仅在映射异步加载完成后运行时,这个问题就消失了
11:05:55.076 [ERROR] [simplemap] Uncaught exception escaped
com.google.gwt.core.client.JavaScriptException: (TypeError) @com.google.gwt.core.client.impl.Impl::apply(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)([JavaScript object(311), JavaScript object(310), JavaScript object(333)]): undefined is not a function
at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:249)
at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:136)
at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:571)
at com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:279)
at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:91)
at com.google.gwt.core.client.impl.Impl.apply(Impl.java)
at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:242)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:172)
at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:293)
at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:547)
at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:364)
at java.lang.Thread.run(Unknown Source)