Hello everybody,

When I try to build the taskengine demo project, included in the App Engine 
Java SDK, I get a lot of "Native methods require a JavaScript implementation 
enclosed with /*-{ and }-*/" errors in DomUtils.java class.
I use gwt-2.4.0 and appengine-java-sdk-1.5.4 for Linux 64-bit.

The entire output of the build is:


Buildfile: 
/home/miki/opt/appengine-java-sdk-1.5.4/demos/taskengine/build.xml

_gwtc:
     [java] Compiling module com.google.appengine.demos.taskengine.Tasks
     [java]    Validating newly compiled units
     [java]       Ignored 73 units with compilation errors in first pass.
     [java] Compile with -strict or with -logLevel set to TRACE or DEBUG to 
see all errors.
     [java]    Finding entry point classes
     [java]       [ERROR] Errors in 
'file:/home/miki/opt/appengine-java-sdk-1.5.4/demos/taskengine/src/com/google/appengine/demos/taskengine/client/DomUtils.java'
     [java]          [ERROR] Line 37: Native methods require a JavaScript 
implementation enclosed with /*-{ and }-*/
     [java]          [ERROR] Line 56: Native methods require a JavaScript 
implementation enclosed with /*-{ and }-*/
     [java]          [ERROR] Line 58: Native methods require a JavaScript 
implementation enclosed with /*-{ and }-*/
     [java]          [ERROR] Line 66: Native methods require a JavaScript 
implementation enclosed with /*-{ and }-*/
     [java]          [ERROR] Line 88: Native methods require a JavaScript 
implementation enclosed with /*-{ and }-*/
     [java]          [ERROR] Line 99: Native methods require a JavaScript 
implementation enclosed with /*-{ and }-*/
     [java]       [ERROR] Unable to find type 
'com.google.appengine.demos.taskengine.client.Tasks'
     [java]          [ERROR] Hint: Previous compiler errors may have made 
this type unavailable
     [java]          [ERROR] Hint: Check the inheritance chain from your 
module; it may not be inheriting a required module or a module may not be 
adding its source path entries properly

BUILD FAILED
/home/miki/opt/appengine-java-sdk-1.5.4/demos/taskengine/build.xml:149: The 
following error occurred while executing this line:
/home/miki/opt/appengine-java-sdk-1.5.4/demos/taskengine/build.xml:71: Java 
returned: 1

 

Any suggestion on how I can solve this issue?

Thank You.

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