java.lang.NullPointerException
   at java.lang.String.startsWith(String.java:1405)
   at java.lang.String.startsWith(String.java:1434)
   at org.netbeans.modules.php.project.PhpProject$ClientSideDevelopmentSupport.fromServer(PhpProject.java:1460)
   at org.netbeans.modules.web.common.api.ServerURLMapping.fromServer(ServerURLMapping.java:148)
   at org.netbeans.modules.web.common.api.ServerURLMapping.fromServer(ServerURLMapping.java:133)
   at org.netbeans.modules.web.inspect.webkit.CSSUpdater.registerStyleSheet(CSSUpdater.java:154)
   at org.netbeans.modules.web.inspect.webkit.CSSUpdater$Listener.styleSheetAdded(CSSUpdater.java:275)
   at org.netbeans.modules.web.webkit.debugging.api.css.CSS.notifyStyleSheetAdded(CSS.java:549)
   at org.netbeans.modules.web.webkit.debugging.api.css.CSS.handleStyleSheetAdded(CSS.java:581)
   at org.netbeans.modules.web.webkit.debugging.api.css.CSS$Callback.handleResponse(CSS.java:710)
   at org.netbeans.modules.web.webkit.debugging.TransportHelper.notifyListeners(TransportHelper.java:164)
   at org.netbeans.modules.web.webkit.debugging.TransportHelper.access$200(TransportHelper.java:69)
   at org.netbeans.modules.web.webkit.debugging.TransportHelper$Callback.handleResponse(TransportHelper.java:291)
   at org.netbeans.modules.extbrowser.plugins.ExternalBrowserPlugin$BrowserPluginHandler.handleDebuggerResponse(ExternalBrowserPlugin.java:499)
   at org.netbeans.modules.extbrowser.plugins.ExternalBrowserPlugin$BrowserPluginHandler.read(ExternalBrowserPlugin.java:330)
   at org.netbeans.modules.netserver.websocket.WebSocketHandler7.readDelegate(WebSocketHandler7.java:118)
   at org.netbeans.modules.netserver.websocket.AbstractWSHandler7.readData(AbstractWSHandler7.java:426)
   at org.netbeans.modules.netserver.websocket.AbstractWSHandler7.readFinalFrame(AbstractWSHandler7.java:322)
   at org.netbeans.modules.netserver.websocket.AbstractWSHandler7.read(AbstractWSHandler7.java:148)
   at org.netbeans.modules.netserver.websocket.WebSocketServerImpl$WebSocketHandler.read(WebSocketServerImpl.java:207)
   at org.netbeans.modules.netserver.SocketFramework.readData(SocketFramework.java:179)
   at org.netbeans.modules.netserver.SocketFramework.process(SocketFramework.java:153)
   at org.netbeans.modules.netserver.SocketServer.process(SocketServer.java:106)
   at org.netbeans.modules.netserver.SocketFramework.doRun(SocketFramework.java:137)
   at org.netbeans.modules.netserver.SocketServer.run(SocketServer.java:77)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)