New a vmware project (create hello world plug-in project),how to use it as a normal plug-in on orchestrator??

in use:
eclipse sdk (indigo 3.7.2) windows 7 64bit
vcenter orchestrator 5.1 (windows 2008 R2)
vmware - vco- plug-in SDK 5.1
i installed vmware-vco plug-in sdk 5.1 to eclipse 3.7.2,then i created a vmware project(choose create hello world plug-in project)
how to do next??
I  export the project as a jar file,rename it as .dar ,and put it to the vmware/infrastructure/orchestrator/app-server/server/vmo/plugins,,
then i upload the .dar file,,it reminds me installed failed....
thanks so much!!!

i don't think you have to rename the jar and create a dar. Once you have build successful you should get the dar file.
Online Documentation - vRealize Orchestrator Plug-in SDK 5.5 - VMware Developer Center

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    3.Edit the file. Double-click the file node to open the file. Edit the file, adding this method to the definition of the HelloWorld class.
    public static void main(String[] args) {
    System.out.println("Hello, World!");
    4.Build the project. Choose Project | MakeProject. A message will appear, reporting success or failure, in the Status line at the
    bottom of the JDeveloper window. If there are errors they will be listed in the Message View pane, under the Compiler tab.
    5.Run the project. When the project has been successfully built, Choose Run | Run. Your message will be printed in the Message
    View pane, under the HelloWorld tab.
    null

    <BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by David Goering (JDeveloper Team):
    [b]HOWTO: The "Hello, World!" Sample Project</p>
    Follow these steps to create, compile, and run a simple Java program in JDeveloper:</p>
    <ol>
    [*]Create a project. Choose File | New Empty Project. A new project
    node, with a name resembling <tt>MyProject1.jpr</tt> will appear in the Navigation
    pane.</li>
    [*]Create a Java file. Make sure your project node is selected, and choose
    File | New. The Object Gallery opens. Select the Objects tab
    and double-click the Class icon. In the Class Wizard dialog that opens:
    <ol>
    [*]Replace the default class name with "HelloWorld".</li>
    [*]Click OK.</li>
    </ol>
    A new file node, named <tt>HelloWorld.java</tt> will appear under your
    project node.</p>
    </li>
    [*]Edit the file. Double-click the file node to open the file. Edit the file,
    adding this method to the definition of the <tt>HelloWorld</tt> class.</li>
    <blockquote>
    <pre> public static void main(String[] args) {
    System.out.println("Hello, World!");
    }</pre>
    </blockquote>
    [*]Build the project. Choose Project | MakeProject. A message will appear,
    reporting success or failure, in the Status line at the bottom of the JDeveloper
    window. If there are errors they will be listed in the Message View
    pane, under the Compiler tab.</li>
    [*]Run the project. When the project has been successfully built, Choose Run
    | Run. Your message will be printed in the Message View pane, under
    the HelloWorld tab.</li>
    </ol><HR></BLOCKQUOTE>
    null

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