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Cannot integrate Ext Gwt in an existing project
Published by: jack 2009-01-07

  • Hello,

    I have an existing project written in GWT 1.4, i want to try some Ext GWT components within it.
    I downloaded Ext GWT 1.0 and i followed stup instructions included in the downloaded distribution.

    When i try to build the project's war (with GWT 1.5m2 and jdk 1.5), i get the following error :

    Loading module 'isd.bcp.carthago.carthago'
    [java] Loading inherited module 'com.extjs.gxt.GXT'
    [java] [ERROR] Unable to find 'com/extjs/gxt/GXT.gwt.xml' on your classpath; could be a typo, or maybe you forgot to include a classpath entry for source?
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    Could you please help me,

    Thanks,

    Habhoub


  • ok, so what is doing the WAR build ? and ant file? if so check that to ensure it has the gxt.jar file included in the classpath.

    The answer is being told to you - something is compiling and the GXT classes cannot be found in the classpath.


  • No! you need to add GXT.JAR not gwt.jar... (though you do need GWT user libs).... as we could be getting confused, best provide more info as its hard to tell if you are doing the right thing or not.

    Sorry it was a writing mistake, i wanted to say that i added gxt.jar and not gwt.jar.

    I have an existing project and i wanted to start trying some Ext Gwt components on it, so first i tried to setup Ext Gwt on it before using any components i wanted to include Ext Gwt library and compile my project.
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    I followed exactlt the instructions included in setup.txt :

    1- add to my project module xml file
    2- Add the following stylesheets to my host page ...
    3- Add gxt.jar to project build path
    4- Add gxt.jar to project launch configuration

    When i try to run my build the project's war file i get the following error :
    [echo] Compile GWT sources
    [java] Loading module 'isd.bcp.carthago.carthago'
    [java] Loading inherited module 'com.extjs.gxt.ui.GXT'
    [java] [ERROR] Unable to find 'com/extjs/gxt/ui/GXT.gwt.xml' on your classpath; could be a typo, or maybe you forgot to include a classpath entry for source?
    [java] [ERROR] Line 3: Unexpected exception while processing element 'inherits'
    [java] com.google.gwt.core.ext.UnableToCompleteException: (see previous log entries)


    Note that i'm using Eclipse 3.2.


  • you need to add gxt.jar - not the war file.

    Thanks a lot for your reply.
    That's what i've done, i added gwt.jar in both Java Build Path and launch configuration.


  • Yes, there's a typo in beta one setup file. I took me a while to figure that out.
    I recommend if you have jre1.5 installed on your system, download gxt beta 2 and it works a breeze.


  • i added gwt.jar in both Java Build Path and launch configuration

    No! you need to add GXT.JAR not gwt.jar... (though you do need GWT user libs).... as we could be getting confused, best provide more info as its hard to tell if you are doing the right thing or not.


  • you need to add gxt.jar - not the war file.


  • you need to add gxt.jar - not the war file.

    Thanks a lot for your reply.
    That's what i've done, i added gwt.jar in both Java Build Path and launch configuration as indicated in steup.txt file included in the downloaded distribution.

    Any idea ?


  • I think you've downloaded Ext GWT 1.0 beta 1. There is a typo in the setup.txt. This has benn fixed in beta 2 --> actually, you have to instead of





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