<div>
		<button/>
	</div>

15:04:42.414 [qtp1795799895-36] WARN org.zkoss.zk.ui.http.AbstractExtendlet -- Unable to read from URL: /js/zkmax/index.src.js
java.net.MalformedURLException: no !/ in spec
	at java.base/java.net.URL.<init>(URL.java:708)
	at java.base/java.net.URL.fromURI(URL.java:748)
	at java.base/java.net.URI.toURL(URI.java:1139)
	at org.zkoss.zk.ui.http.AbstractExtendlet.getResourceAsStream(AbstractExtendlet.java:182)
	at org.zkoss.zk.ui.http.AbstractExtendlet$RequestContext.getResourceAsStream(AbstractExtendlet.java:223)
	at org.zkoss.zk.ui.http.WpdExtendlet.findResourcePath(WpdExtendlet.java:586)
	at org.zkoss.zk.ui.http.WpdExtendlet.writeResource(WpdExtendlet.java:608)
	at org.zkoss.zk.ui.http.WpdExtendlet.parse(WpdExtendlet.java:456)
	at org.zkoss.zk.ui.http.WpdExtendlet$SourceInfo.parse(WpdExtendlet.java:859)
	at org.zkoss.zk.ui.http.WpdExtendlet$Content.parse(WpdExtendlet.java:837)
	at org.zkoss.zk.ui.http.WpdExtendlet.retrieve(WpdExtendlet.java:220)
	at org.zkoss.zk.ui.http.WpdExtendlet.mergeJavaScript(WpdExtendlet.java:267)
	at org.zkoss.zk.ui.http.WpdExtendlet.retrieve(WpdExtendlet.java:236)
	at org.zkoss.zk.ui.http.WpdExtendlet.service(WpdExtendlet.java:109)
	at org.zkoss.web.util.resource.ClassWebResource.web0(ClassWebResource.java:599)
	at org.zkoss.web.util.resource.ClassWebResource.web(ClassWebResource.java:586)
	at org.zkoss.web.util.resource.ClassWebResource.service(ClassWebResource.java:295)
	at org.zkoss.zk.au.http.DHtmlResourceServlet.doGet0(DHtmlResourceServlet.java:125)
	at org.zkoss.zk.au.http.DHtmlUpdateServlet.doGet(DHtmlUpdateServlet.java:343)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at org.eclipse.jetty.servlet.ServletHolder$NotAsync.service(ServletHolder.java:1450)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:554)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:600)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1440)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:505)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1355)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
	at org.eclipse.jetty.server.Server.handle(Server.java:516)
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:487)
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:732)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:479)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:409)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.lang.NullPointerException: no !/ in spec
	at java.base/sun.net.www.protocol.jar.Handler.parseAbsoluteSpec(Handler.java:177)
	at java.base/sun.net.www.protocol.jar.Handler.parseURL(Handler.java:162)
	at java.base/java.net.URL.<init>(URL.java:703)
	... 53 common frames omitted