java.lang.OutOfMemoryError: Java heap space
   at java.util.Arrays.copyOf(Arrays.java:2367)
   at java.lang.StringCoding.safeTrim(StringCoding.java:89)
   at java.lang.StringCoding.decode(StringCoding.java:230)
   at java.lang.String.<init>(String.java:453)
   at java.lang.String.<init>(String.java:505)
   at org.netbeans.modules.extbrowser.plugins.ExternalBrowserPlugin$BrowserPluginHandler.read(ExternalBrowserPlugin.java:280)
   at org.netbeans.modules.netserver.websocket.WebSocketHandler7.readDelegate(WebSocketHandler7.java:118)
   at org.netbeans.modules.netserver.websocket.AbstractWSHandler7.readData(AbstractWSHandler7.java:301)
   at org.netbeans.modules.netserver.websocket.AbstractWSHandler7.readData(AbstractWSHandler7.java:357)
   at org.netbeans.modules.netserver.websocket.AbstractWSHandler7.readFinalFrame(AbstractWSHandler7.java:282)
   at org.netbeans.modules.netserver.websocket.AbstractWSHandler7.read(AbstractWSHandler7.java:126)
   at org.netbeans.modules.netserver.websocket.WebSocketServerImpl$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$Task.run(RequestProcessor.java:1432)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2044)