[UPSTREAM] Server adapter: NPE when starting adapter for nodejs-mongo-persistent into Debug

steps:

1. EXEC: launch new application wizard, choose nodejs-mongo-persistent template and finish
2. EXEC: when asked import the app and create a server adapter
3. ASSERT: server adapter is created
4. EXEC: start the server adapter
5. ASSERT: server adapter is launched
6. EXEC: restart the server adapter into Debug

Result:
Debuggin works, but you get the following error dialog:

In the Eclipse log you'll find the following:

java.lang.NullPointerException
	at org.eclipse.core.internal.resources.CheckMissingNaturesListener.updateRange(CheckMissingNaturesListener.java:209)
	at org.eclipse.core.internal.resources.CheckMissingNaturesListener$3.runInWorkspace(CheckMissingNaturesListener.java:179)
	at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:39)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:60)

ps. project context menu: Convert > Javascript Project doesn't help.