Re: Step 3 of tutorial

[Milan Cvejic]

Please provide us with full stack trace..

Best,
Milan

On Monday, November 26, 2012 7:44:19 PM UTC+1, gwt/java newbie wrote:

I am on Step 3 of the tutorial using Eclipse and I tried to Run > Run As > Web application.  When trying to view it I got this error:

Exception while loading module com.google.gwt.sample.stockwatcher.client.StockWatcher. See Development Mode for details.

java.lang.reflect.InvocationTargetException

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:406)

at com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:200)

at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:526)

at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:364)

at java.lang.Thread.run(Unknown Source)

Caused by: java.lang.NullPointerException

at com.google.gwt.sample.stockwatcher.client.StockWatcher.onModuleLoad(StockWatcher.java:41)

... 9 more

[Jens]

Not sure but I would guess you have missed some steps in the tutorial. Have you done everything mentioned in https://developers.google.com/web-toolkit/doc/latest/tutorial/buildui#hostpage ?

It tells you to modify the StockWatcher.html file.

-- J.