This is what's in the .launch file for this app:

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<launchConfiguration type="com.google.gdt.eclipse.suite.webapp">
<stringAttribute
key="com.google.gdt.eclipse.suiteMainTypeProcessor.PREVIOUSLY_SET_MAIN_TYPE_NAME"
value="com.google.appengine.tools.development.DevAppServerMain"/>
<booleanAttribute
key="com.google.gdt.eclipse.suiteWarArgumentProcessor.IS_WAR_FROM_PROJECT_PROPERTIES"
value="true"/>
<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
<listEntry value="/ZacksWebApps"/>
</listAttribute>
<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
<listEntry value="4"/>
</listAttribute>
<listAttribute key="org.eclipse.debug.ui.favoriteGroups">
<listEntry value="org.eclipse.debug.ui.launchGroup.debug"/>
<listEntry value="org.eclipse.debug.ui.launchGroup.run"/>
</listAttribute>
<stringAttribute key="org.eclipse.jdt.launching.CLASSPATH_PROVIDER"
value="com.google.gwt.eclipse.core.moduleClasspathProvider"/>
<stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE"
value="com.google.appengine.tools.development.DevAppServerMain"/>
<stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS"
value="--port=8888 zwa.ZacksWebApps C:\eclipse\projects\ZacksWebApps
\war"/>
<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR"
value="ZacksWebApps"/>
<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-
javaagent:C:\eclipse\plugins\com.google.appengine.eclipse.sdkbundle.
1.3.1_1.3.1.v201002101412\appengine-java-sdk-1.3.1\lib\agent\appengine-
agent.jar -Xmx512m"/>
<stringAttribute key="org.eclipse.jdt.launching.WORKING_DIRECTORY"
value="/ZacksWebApps/war"/>
</launchConfiguration>

On Mar 29, 3:00 pm, Jason Parekh <jasonpar...@gmail.com> wrote:
> Hey Zack,
>
> Looks like the launch configuration got into a bad state.
>
> Before you proceed with the solution below, could you send us a copy of the
> .launch file for this launch configuration?  That file will be in your
> WORKSPACE/.metadata/.plugins/org.eclipse.debug.core/.launches directory.
>
> The solution:  You can safely delete the existing launch configuration (in
> Run > Run configurations), close the dialog, and then try right-clicking on
> your project > Run As > Web Application.
>
> jason
>
> On Mon, Mar 29, 2010 at 1:06 PM, zackmac <zack.macom...@gmail.com> wrote:
> > getting this message when trying to run my gae/j app in Eclipse:
>
> > Usage: <dev-appserver> [options] <war directory>
>
> > Options:
> >  --help, -h                 Show this help message and exit.
> >  --server=SERVER            The server to use to determine the latest
> >  -s SERVER                   SDK version.
> >  --address=ADDRESS          The address of the interface on the local
> > machine
> >  -a ADDRESS                  to bind to (or 0.0.0.0 for all
> > interfaces).
> >  --port=PORT                The port number to bind to on the local
> > machine.
> >  -p PORT
> >  --sdk_root=root            Overrides where the SDK is located.
> >  --disable_update_check     Disable the check for newer SDK versions.
>
> > I was experimenting with implementing gwt in my gae/j app but decided
> > not to pursue that path further.  Now, I'm just trying to run the app
> > and have the "use gwt" settings unchecked but am still getting this
> > error.  I'm using Eclipse 3.4.1 and gae/j 1.3.1
>
> > --
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>

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