I'm using STS 2.2.1 and upgraded to dm Tools nightly 2.3.0.200911170800, and now Bundlor doesn't appear to be able to generate my "MANIFEST.MF" file any more.

Here is what I'm running:
  1. SpringSource Tool Suite [2.2.1.200910210131-RELEASE]
  2. SpringSource dm Server Tools (required) [2.3.0.200911170800-CI-R372-B16]
  3. SpringSource dm Server Tools Developer Resources [2.3.0.200911170800-CI-R372-B16]

And here is the exception that shows up in my ".metadata/.log" file:
Code:
!ENTRY org.eclipse.core.resources 4 2 2009-11-17 17:48:41.707
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.core.resources".
!STACK 0
java.lang.NoSuchMethodError: org.springframework.ide.eclipse.core.SpringCoreUtils.validateEdit([Lorg/eclipse/core/resources/IFile;)Z
	at com.springsource.server.ide.bundlor.internal.core.BundlorProjectBuilder.mergeManifests(BundlorProjectBuilder.java:718)
	at com.springsource.server.ide.bundlor.internal.core.BundlorProjectBuilder.build(BundlorProjectBuilder.java:235)
	at com.springsource.server.ide.bundlor.internal.core.BundlorProjectBuilder.build(BundlorProjectBuilder.java:151)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:627)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:170)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:280)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:361)
	at org.eclipse.core.internal.resources.Project$1.run(Project.java:523)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1800)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1782)
	at org.eclipse.core.internal.resources.Project.internalBuild(Project.java:502)
	at org.eclipse.core.internal.resources.Project.build(Project.java:102)
	at com.springsource.server.ide.bundlor.ui.BundlorUiPlugin$RunBundlorJob.run(BundlorUiPlugin.java:100)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)