private RandomString randomString = RandomString.getInstance();

	private RandomString() {

	}

	private static class RandomStringHolder {
		private final static RandomString instance = new RandomString();
	}

	public static RandomString getInstance() {
		return RandomStringHolder.instance;
	}

[INFO]             [ERROR] Error injecting by.gwttest.client.client.application.packet.PacketPagePresenter$MyProxy: Unable to create or inherit binding: No @Inject or default constructor found for by.gwttest.client.client.application.packet.PacketPagePresenter$MyProxy
[INFO]   Path to required node:
[INFO] 
[INFO] by.gwttest.client.client.application.packet.PacketPagePresenter$MyProxy [com.gwtplatform.mvp.client.gin.AbstractPresenterModule.bindPresenter(AbstractPresenterModule.java:121)]
[INFO] 
[INFO]             [ERROR] Error injecting by.gwttest.client.client.application.packet.PacketPageView$Binder: Unable to create or inherit binding: No @Inject or default constructor found for by.gwttest.client.client.application.packet.PacketPageView$Binder
[INFO]   Path to required node:
[INFO] 
[INFO] by.gwttest.client.client.application.packet.PacketPageView [com.gwtplatform.mvp.client.gin.AbstractPresenterModule.bindPresenter(AbstractPresenterModule.java:120)]
[INFO]  -> by.gwttest.client.client.application.packet.PacketPageView$Binder [@Inject constructor of by.gwttest.client.client.application.packet.PacketPageView]
[INFO] 
[INFO]    [ERROR] Errors in 'gen/com/gwtplatform/mvp/client/DesktopGinjectorProvider.java'
[INFO]       [ERROR] Line 8: Failed to resolve 'com.gwtplatform.mvp.client.DesktopGinjector' via deferred binding

	private String convertMStoTime(long millis) {
		//return null;
		 return String.format(
		 "%02d:%02d:%02d",
		 TimeUnit.MILLISECONDS.toHours(millis),
		 TimeUnit.MILLISECONDS.toMinutes(millis)
		 - TimeUnit.HOURS.toMinutes(TimeUnit.MILLISECONDS
		 .toHours(millis)),
		 TimeUnit.MILLISECONDS.toSeconds(millis)
		 - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS
		 .toMinutes(millis)));
	}

				packetService.sendPacketMSGToServer(str,
						new AsyncCallback<Date>() {
							@Override
							public void onFailure(Throwable caught) {
								String s = textLog + "\n ERORR!!!";
								getView().getTextLog().setText("111");
							}
....