title: StockWatcher: errors when translating contents to german
body: <p>I'm following the <a href="http://code.google.com/webtoolkit/doc/latest/tutorial/i18n.html" rel="noreferrer">internationalization chapter</a>. After finishing the steps to translate content to german, I getting this errors when I try to load the page in the browser:</p>
  
  <pre><code>11:26:27.142 [ERROR] [stockwatcher] Error while executing the JavaScript provider for property 'locale'
  com.google.gwt.core.client.JavaScriptException: (TypeError): Property 'locale' of object  is not a function
      at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:248)
      at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:136)
      at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:561)
      at com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:269)
      at com.google.gwt.dev.shell.ModuleSpacePropertyOracle.computePropertyValue(ModuleSpacePropertyOracle.java:193)
      at com.google.gwt.dev.shell.ModuleSpacePropertyOracle.getSelectionProperty(ModuleSpacePropertyOracle.java:130)
      at com.google.gwt.i18n.rebind.LocaleUtils.getInstance(LocaleUtils.java:85)
      at com.google.gwt.i18n.rebind.LocaleInfoGenerator.generate(LocaleInfoGenerator.java:101)
      at com.google.gwt.core.ext.GeneratorExtWrapper.generate(GeneratorExtWrapper.java:48)
      at com.google.gwt.core.ext.GeneratorExtWrapper.generateIncrementally(GeneratorExtWrapper.java:60)
      at com.google.gwt.dev.javac.StandardGeneratorContext.runGeneratorIncrementally(StandardGeneratorContext.java:647)
      at com.google.gwt.dev.cfg.RuleGenerateWith.realize(RuleGenerateWith.java:41)
      at com.google.gwt.dev.shell.StandardRebindOracle$Rebinder.rebind(StandardRebindOracle.java:78)
      at com.google.gwt.dev.shell.StandardRebindOracle.rebind(StandardRebindOracle.java:268)
      at com.google.gwt.dev.shell.ShellModuleSpaceHost.rebind(ShellModuleSpaceHost.java:141)
      at com.google.gwt.dev.shell.ModuleSpace.rebind(ModuleSpace.java:585)
      at com.google.gwt.dev.shell.ModuleSpace.rebindAndCreate(ModuleSpace.java:455)
      at com.google.gwt.dev.shell.GWTBridgeImpl.create(GWTBridgeImpl.java:49)
      at com.google.gwt.core.client.GWT.create(GWT.java:97)
      at com.google.gwt.i18n.client.LocaleInfo.&lt;clinit&gt;(LocaleInfo.java:37)
      at com.google.gwt.user.client.ui.HasHorizontalAlignment.&lt;clinit&gt;(HasHorizontalAlignment.java:123)
      at com.google.gwt.user.client.ui.VerticalPanel.&lt;init&gt;(VerticalPanel.java:31)
      at com.google.gwt.sample.stockwatcher.client.StockWatcher.&lt;init&gt;(StockWatcher.java:29)
      at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
      at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
      at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
      at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
      at com.google.gwt.dev.shell.ModuleSpace.rebindAndCreate(ModuleSpace.java:465)
      at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:375)
      at com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:200)
      at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:525)
      at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:363)
      at java.lang.Thread.run(Thread.java:722)
  
  11:26:27.640 [ERROR] [stockwatcher] Unable to load module entry point class com.google.gwt.sample.stockwatcher.client.StockWatcher (see associated exception for details)
  com.google.gwt.dev.shell.BrowserChannel$RemoteDeathError: Remote connection lost
      at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:356)
      at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:218)
      at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:136)
      at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:561)
      at com.google.gwt.dev.shell.ModuleSpace.invokeNativeVoid(ModuleSpace.java:289)
      at com.google.gwt.dev.shell.ModuleSpace.displayErrorGlassPanel(ModuleSpace.java:616)
      at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:401)
      at com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:200)
      at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:525)
      at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:363)
      at java.lang.Thread.run(Thread.java:722)
  Caused by: com.google.gwt.dev.shell.BrowserChannelException: Invalid message type PROTOCOL_VERSION received waiting for return.
      at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:350)
      at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:218)
      at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:136)
      at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:561)
      at com.google.gwt.dev.shell.ModuleSpace.invokeNativeVoid(ModuleSpace.java:289)
      at com.google.gwt.dev.shell.ModuleSpace.displayErrorGlassPanel(ModuleSpace.java:616)
      at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:401)
      at com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:200)
      at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:525)
      at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:363)
      at java.lang.Thread.run(Thread.java:722)
  
  11:26:27.959 [ERROR] [stockwatcher] Failed to load module 'stockwatcher' from user agent 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2' at localhost:52343
  </code></pre>
  
  <p>This is the code of StockWatcher.java:</p>
  
  <pre><code>package com.google.gwt.sample.stockwatcher.client;
  
  import com.google.gwt.core.client.EntryPoint;
  import com.google.gwt.core.client.GWT;
  import com.google.gwt.event.dom.client.ClickEvent;
  import com.google.gwt.event.dom.client.ClickHandler;
  import com.google.gwt.event.dom.client.KeyCodes;
  import com.google.gwt.event.dom.client.KeyPressEvent;
  import com.google.gwt.event.dom.client.KeyPressHandler;
  import com.google.gwt.i18n.client.DateTimeFormat;
  import com.google.gwt.i18n.client.NumberFormat;
  import com.google.gwt.user.client.Random;
  import com.google.gwt.user.client.Timer;
  import com.google.gwt.user.client.Window;
  import com.google.gwt.user.client.ui.Button;
  import com.google.gwt.user.client.ui.FlexTable;
  import com.google.gwt.user.client.ui.HorizontalPanel;
  import com.google.gwt.user.client.ui.Label;
  import com.google.gwt.user.client.ui.RootPanel;
  import com.google.gwt.user.client.ui.TextBox;
  import com.google.gwt.user.client.ui.VerticalPanel;
  
  import java.util.ArrayList;
  import java.util.Date;
  
  public class StockWatcher implements EntryPoint {
  
  
  
  private static final int REFRESH_INTERVAL = 5000;
    private VerticalPanel mainPanel = new VerticalPanel(); //line 29
    private FlexTable stocksFlexTable = new FlexTable();
    private HorizontalPanel addPanel = new HorizontalPanel();
    private TextBox newSymbolTextBox = new TextBox();
    private Button addStockButton = new Button("Add");
    private Label lastUpdatedLabel = new Label();
    private ArrayList&lt;String&gt; stocks = new ArrayList&lt;String&gt;();
    private StockWatcherConstants constants = GWT.create(StockWatcherConstants.class);
  
    /**
     * Entry point method.
     */
    public void onModuleLoad() {
      // Set the window title, the header text, and the Add button text.
      Window.setTitle(constants.stockWatcher());
      RootPanel.get("appTitle").add(new Label(constants.stockWatcher()));
      addStockButton = new Button(constants.add());  
  
      // Create table for stock data.
      stocksFlexTable.setText(0, 0, constants.symbol());
      stocksFlexTable.setText(0, 1, constants.price());
      stocksFlexTable.setText(0, 2, constants.change());
      stocksFlexTable.setText(0, 3, constants.remove());
  
      // Add styles to elements in the stock list table.
      stocksFlexTable.setCellPadding(6);
      stocksFlexTable.getRowFormatter().addStyleName(0, "watchListHeader");
      stocksFlexTable.addStyleName("watchList");
      stocksFlexTable.getCellFormatter().addStyleName(0, 1, "watchListNumericColumn");
      stocksFlexTable.getCellFormatter().addStyleName(0, 2, "watchListNumericColumn");
      stocksFlexTable.getCellFormatter().addStyleName(0, 3, "watchListRemoveColumn");
  
      // Assemble Add Stock panel.
      addPanel.add(newSymbolTextBox);
      addPanel.add(addStockButton);
      addPanel.addStyleName("addPanel");
  
      // Assemble Main panel.
      mainPanel.add(stocksFlexTable);
      mainPanel.add(addPanel);
      mainPanel.add(lastUpdatedLabel);
  
      // Associate the Main panel with the HTML host page.
      RootPanel.get("stockList").add(mainPanel);
  
      // Move cursor focus to the input box.
      newSymbolTextBox.setFocus(true);
  
      // Setup timer to refresh list automatically.
      Timer refreshTimer = new Timer() {
        @Override
        public void run() {
          refreshWatchList();
        }
      };
      refreshTimer.scheduleRepeating(REFRESH_INTERVAL);
  
      // Listen for mouse events on the Add button.
      addStockButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
          addStock();
        }
      });
  
      // Listen for keyboard events in the input box.
      newSymbolTextBox.addKeyPressHandler(new KeyPressHandler() {
        public void onKeyPress(KeyPressEvent event) {
          if (event.getCharCode() == KeyCodes.KEY_ENTER) {
            addStock();
          }
        }
      });
  
    }
  
    /**
     * Add stock to FlexTable. Executed when the user clicks the addStockButton or
     * presses enter in the newSymbolTextBox.
     */
    private void addStock() {
      final String symbol = newSymbolTextBox.getText().toUpperCase().trim();
      newSymbolTextBox.setFocus(true);
  
      // Stock code must be between 1 and 10 chars that are numbers, letters, or dots.
      if (!symbol.matches("^[0-9a-zA-Z\\.]{1,10}$")) {
        Window.alert("'" + symbol + "' is not a valid symbol.");
        newSymbolTextBox.selectAll();
        return;
      }
  
      newSymbolTextBox.setText("");
  
      // Don't add the stock if it's already in the table.
      if (stocks.contains(symbol))
        return;
  
      // Add the stock to the table.
      int row = stocksFlexTable.getRowCount();
      stocks.add(symbol);
      stocksFlexTable.setText(row, 0, symbol);
      stocksFlexTable.setWidget(row, 2, new Label());
      stocksFlexTable.getCellFormatter().addStyleName(row, 1, "watchListNumericColumn");
      stocksFlexTable.getCellFormatter().addStyleName(row, 2, "watchListNumericColumn");
      stocksFlexTable.getCellFormatter().addStyleName(row, 3, "watchListRemoveColumn");
  
      // Add a button to remove this stock from the table.
      Button removeStockButton = new Button("x");
      removeStockButton.addStyleDependentName("remove");
      removeStockButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
          int removedIndex = stocks.indexOf(symbol);
          stocks.remove(removedIndex);
          stocksFlexTable.removeRow(removedIndex + 1);
        }
      });
      stocksFlexTable.setWidget(row, 3, removeStockButton);
  
      // Get the stock price.
      refreshWatchList();
  
    }
  
    /**
     * Generate random stock prices.
     */
    private void refreshWatchList() {
      final double MAX_PRICE = 100.0; // $100.00
      final double MAX_PRICE_CHANGE = 0.02; // +/- 2%
  
      StockPrice[] prices = new StockPrice[stocks.size()];
      for (int i = 0; i &lt; stocks.size(); i++) {
        double price = Random.nextDouble() * MAX_PRICE;
        double change = price * MAX_PRICE_CHANGE
            * (Random.nextDouble() * 2.0 - 1.0);
  
        prices[i] = new StockPrice(stocks.get(i), price, change);
      }
  
      updateTable(prices);
    }
  
    /**
     * Update the Price and Change fields all the rows in the stock table.
     *
     * @param prices Stock data for all rows.
     */
    private void updateTable(StockPrice[] prices) {
      for (int i = 0; i &lt; prices.length; i++) {
        updateTable(prices[i]);
      }
  
  //    // Display timestamp showing last refresh.
  //    lastUpdatedLabel.setText("Last update : "
  //        + DateTimeFormat.getMediumDateTimeFormat().format(new Date()));
  
    }
  
    /**
     * Update a single row in the stock table.
     *
     * @param price Stock data for a single row.
     */
    private void updateTable(StockPrice price) {
      // Make sure the stock is still in the stock table.
      if (!stocks.contains(price.getSymbol())) {
        return;
      }
  
      int row = stocks.indexOf(price.getSymbol()) + 1;
  
      // Format the data in the Price and Change fields.
      String priceText = NumberFormat.getFormat("#,##0.00").format(
          price.getPrice());
      NumberFormat changeFormat = NumberFormat.getFormat("+#,##0.00;-#,##0.00");
      String changeText = changeFormat.format(price.getChange());
      String changePercentText = changeFormat.format(price.getChangePercent());
  
      // Populate the Price and Change fields with new data.
      stocksFlexTable.setText(row, 1, priceText);
      Label changeWidget = (Label)stocksFlexTable.getWidget(row, 2);
      changeWidget.setText(changeText + " (" + changePercentText + "%)");
  
      // Change the color of text in the Change field based on its value.
      String changeStyleName = "noChange";
      if (price.getChangePercent() &lt; -0.1f) {
        changeStyleName = "negativeChange";
      }
      else if (price.getChangePercent() &gt; 0.1f) {
        changeStyleName = "positiveChange";
      }
  
      changeWidget.setStyleName(changeStyleName);
    }
  
  }
  </code></pre>
  
  <p>Javier</p>